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MicrochannelUI.py
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MicrochannelUI.py
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from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.uic import loadUiType
import CoolProp as CP
import os, sys
from GUI_functions import write_Microchannel, read_Microchannel, load_last_location, save_last_location
from CoolProp.CoolProp import HAPropsSI
from sympy.parsing.sympy_parser import parse_expr
from sympy import S, Symbol
from MicrochannelUI_Geometry import Microchannel_Geometry_Window
from MicrochannelUI_Circuit import Microchannel_Circuit_Window
from unit_conversion import *
from inputs_validation import check_microchannel
FROM_Microchannel_Main,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Microchannel_define.ui"))
FROM_Microchannel_Fan_Model_efficiency,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Microchannel_Fan_Model_Efficiency.ui"))
FROM_Microchannel_Fan_Model_power,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Microchannel_Fan_Model_Power.ui"))
FROM_Microchannel_Fan_Model_curve,_ = loadUiType(os.path.join(os.path.dirname(__file__),"ui_files/Microchannel_Fan_Model_Curve.ui"))
class values():
pass
class MicrochannelWindow(QDialog, FROM_Microchannel_Main):
def __init__(self, parent=None):
# first UI
super(MicrochannelWindow, self).__init__(parent)
self.setupUi(self)
self.Delete_validation_range = False
self.Microchannel_cancel_button.clicked.connect(self.cancel_button)
self.Microchannel_N_bank.valueChanged.connect(self.N_bank_changed)
self.Microchannel_mode.currentIndexChanged.connect(self.Microchannel_mode_changed)
self.Microchannel_bank_circuit_define_button.clicked.connect(self.Microchannel_define_circuiting)
self.Microchannel_bank_geometry_define_button.clicked.connect(self.Microchannel_define_bank_Geometry)
# intializing value holders
self.Geometry = values()
self.Geometry.defined = False
self.Circuiting = values()
self.Circuiting.defined = False
# defining validators
only_number = QRegExpValidator(QRegExp("(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))"))
only_number_negative = QRegExpValidator(QRegExp("[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)"))
self.Microchannel_air_flowrate.setValidator(only_number)
self.Microchannel_air_mass_flowrate.setValidator(only_number)
self.Microchannel_air_inlet_P.setValidator(only_number)
self.Microchannel_air_inlet_T.setValidator(only_number_negative)
self.Microchannel_air_calculator_P.setValidator(only_number)
self.Microchannel_air_calculator_T.setValidator(only_number_negative)
self.Microchannel_air_calculator_2nd.setValidator(only_number_negative)
self.Microchannel_superheat_HTC_correlation_correction.setValidator(only_number)
self.Microchannel_superheat_DP_correlation_correction.setValidator(only_number)
self.Microchannel_2phase_HTC_correlation_correction.setValidator(only_number)
self.Microchannel_2phase_DP_correlation_correction.setValidator(only_number)
self.Microchannel_subcool_HTC_correlation_correction.setValidator(only_number)
self.Microchannel_subcool_DP_correlation_correction.setValidator(only_number)
self.Microchannel_air_dry_HTC_correlation_correction.setValidator(only_number)
self.Microchannel_air_dry_DP_correlation_correction.setValidator(only_number)
self.Microchannel_air_wet_HTC_correlation_correction.setValidator(only_number)
self.Microchannel_air_wet_DP_correlation_correction.setValidator(only_number)
# Calculator
self.Microchannel_air_calculator_option.currentIndexChanged.connect(self.Microchannel_calculator_option_changed)
self.Microchannel_air_calculator_P.textChanged.connect(self.Microchannel_calculator_calculate)
self.Microchannel_air_calculator_T.textChanged.connect(self.Microchannel_calculator_calculate)
self.Microchannel_air_calculator_2nd.textChanged.connect(self.Microchannel_calculator_calculate)
self.Microchannel_air_calculator_P_unit.currentIndexChanged.connect(self.Microchannel_calculator_calculate)
self.Microchannel_air_calculator_T_unit.currentIndexChanged.connect(self.Microchannel_calculator_calculate)
self.Microchannel_air_calculator_2nd_unit.currentIndexChanged.connect(self.Microchannel_calculator_calculate)
# definition of fan model
self.Microchannel_fan_model_button.clicked.connect(self.Microchannel_fan_model_definition)
self.Microchannel_fan_model.currentIndexChanged.connect(self.Microchannel_fan_model_changed)
# save button clicked
self.Microchannel_save_button.clicked.connect(self.save_button)
# load button clicked
self.Microchannel_load_button.clicked.connect(self.load_button)
# Ok button clicked
self.Microchannel_ok_button.clicked.connect(self.ok_button)
# flowrate type changed
self.Microchannel_air_flowrate_label.toggled.connect(self.air_flowrate_changed)
self.Microchannel_air_mass_flowrate_label.toggled.connect(self.air_flowrate_changed)
def air_flowrate_changed(self):
if self.Microchannel_air_flowrate_label.isChecked():
self.Microchannel_air_flowrate.setEnabled(True)
self.Microchannel_air_flowrate_unit.setEnabled(True)
self.Microchannel_air_mass_flowrate.setEnabled(False)
self.Microchannel_air_mass_flowrate_unit.setEnabled(False)
elif self.Microchannel_air_mass_flowrate_label.isChecked():
self.Microchannel_air_mass_flowrate.setEnabled(True)
self.Microchannel_air_mass_flowrate_unit.setEnabled(True)
self.Microchannel_air_flowrate.setEnabled(False)
self.Microchannel_air_flowrate_unit.setEnabled(False)
def enable_range_validation(self):
if self.Microchannel_air_flowrate_label.isChecked():
self.Microchannel_air_flowrate.editingFinished.connect(lambda: self.validate_range_item("lineedit",'volume_flowrate'))
elif self.Microchannel_air_mass_flowrate_label.isChecked():
self.Microchannel_air_mass_flowrate.editingFinished.connect(lambda: self.validate_range_item("lineedit",'mass_flowrate'))
self.Microchannel_N_bank.editingFinished.connect(lambda: self.validate_range_item("spinbox",None))
self.Microchannel_N_tube_per_bank.editingFinished.connect(lambda: self.validate_range_item("spinbox",None))
def validate_range_item(self,data_type,conversion=None):
if hasattr(self,"validation_range"):
sender = self.sender()
prop_name = sender.objectName()
name = getattr(self,prop_name+"_label").text()
# getting value
failed = False
if data_type == "lineedit":
try:
value = float(sender.text())
failed = False
except:
failed = True
elif data_type == "spinbox":
value = sender.value()
# converting value to SI units
if conversion == "temperature_diff":
true_value = temperature_diff_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "mass":
true_value = mass_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "power":
true_value = power_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "pressure":
true_value = pressure_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "mass_flowrate":
true_value = mass_flowrate_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "volume_flowrate":
true_value = volume_flowrate_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "temperature":
true_value = temperature_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "length":
true_value = length_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "volume":
true_value = volume_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "angle":
true_value = angle_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "thermal_K":
true_value = Thermal_K_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == "HTC":
true_value = HTC_unit_converter(value,getattr(self,prop_name+"_unit").currentIndex())
elif conversion == None:
true_value = value
validation_range = getattr(self.validation_range,prop_name)
minimum = validation_range[1]
maximum = validation_range[2]
if maximum != None and true_value > maximum:
self.raise_error_message("The value you enter for "+name+" which is "+"%.5g" % true_value+" is higher than recommended maximum value of "+"%.5g" % maximum+". The original value was "+"%.5g" % validation_range[0]+". (all in SI units.)")
elif minimum != None and true_value < minimum:
self.raise_error_message("The value you enter for "+name+" which is "+"%.5g" % true_value+ " is lower than recommended minimum value of "+"%.5g" % minimum+". The original value was "+"%.5g" % validation_range[0]+". (all in SI units.)")
def delete_validation_range(self):
if hasattr(self,"validation_range"):
delattr(self,"validation_range")
self.Delete_validation_range = True
def raise_error_message(self,message):
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText(message)
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def ok_button(self):
validate = self.validate()
if validate == 0:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please fill all empty fields")
msg.setWindowTitle("Empty Fields!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Geometry data")
msg.setWindowTitle("Circuit not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Bank Circuits Data")
msg.setWindowTitle("BAnk Circuiting Data not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 4:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Fan Model Data")
msg.setWindowTitle("Fan Model not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 1:
HX = values()
HX.Geometry = self.Geometry
HX.Circuiting = self.Circuiting
HX.name = str(self.Microchannel_name.text())
HX.model = str(self.Microchannel_mode.currentText())
if self.Microchannel_mode.currentIndex() == 0:
HX.N_segments = int(self.Microchannel_N_segments.value())
HX.Accurate = str(self.Microchannel_accurate.currentText())
HX.N_bank = int(self.Microchannel_N_bank.value())
HX.N_tube_per_bank = int(self.Microchannel_N_tube_per_bank.value())
HX.HX_Q_tol = float(self.Microchannel_HX_Q_tolerance.value())
HX.N_iterations = int(self.Microchannel_max_N_iterations.value())
HX.Fan_model = self.Microchannel_fan_model.currentText()
if self.Microchannel_fan_model.currentIndex() == 0:
HX.Fan_model_efficiency_exp = self.Fan_Model_Efficiency
elif self.Microchannel_fan_model.currentIndex() == 1:
HX.Fan_model_P_exp = self.Fan_Model_Curve_P
HX.Fan_model_DP_exp = self.Fan_Model_Curve_DP
elif self.Microchannel_fan_model.currentIndex() == 2:
HX.Fan_model_power_exp = self.Fan_Model_Power
if self.Microchannel_air_flowrate_label.isChecked():
HX.Vdot_ha = volume_flowrate_unit_converter(self.Microchannel_air_flowrate.text(),self.Microchannel_air_flowrate_unit.currentIndex())
elif self.Microchannel_air_mass_flowrate_label.isChecked():
HX.mdot_da = mass_flowrate_unit_converter(self.Microchannel_air_mass_flowrate.text(),self.Microchannel_air_mass_flowrate_unit.currentIndex())
HX.Air_P = pressure_unit_converter(self.Microchannel_air_inlet_P.text(),self.Microchannel_air_inlet_P_unit.currentIndex())
HX.Air_T = temperature_unit_converter(self.Microchannel_air_inlet_T.text(),self.Microchannel_air_inlet_T_unit.currentIndex())
HX.Air_RH = float(self.Microchannel_air_inlet_RH.value()) / 100
HX.superheat_HTC_corr = self.Microchannel_superheat_HTC_correlation.currentIndex()
HX.superheat_HTC_correction = float(self.Microchannel_superheat_HTC_correlation_correction.text())
HX.superheat_DP_corr = self.Microchannel_superheat_DP_correlation.currentIndex()
HX.superheat_DP_correction = float(self.Microchannel_superheat_DP_correlation_correction.text())
HX._2phase_HTC_corr = self.Microchannel_2phase_HTC_correlation.currentIndex()
HX._2phase_HTC_correction = float(self.Microchannel_2phase_HTC_correlation_correction.text())
HX._2phase_DP_corr = self.Microchannel_2phase_DP_correlation.currentIndex()
HX._2phase_DP_correction = float(self.Microchannel_2phase_DP_correlation_correction.text())
HX.subcool_HTC_corr = self.Microchannel_subcool_HTC_correlation.currentIndex()
HX.subcool_HTC_correction = float(self.Microchannel_subcool_HTC_correlation_correction.text())
HX.subcool_DP_corr = self.Microchannel_subcool_DP_correlation.currentIndex()
HX.subcool_DP_correction = float(self.Microchannel_subcool_DP_correlation_correction.text())
HX.superheat_HTC_corr = self.Microchannel_superheat_HTC_correlation.currentIndex()
HX.superheat_HTC_correction = float(self.Microchannel_superheat_HTC_correlation_correction.text())
HX._2phase_charge_corr = float(self.Microchannel_2phase_charge_correlation.currentIndex())
HX.air_dry_HTC_corr = self.Microchannel_air_dry_correlation.currentIndex()
HX.air_dry_HTC_correction = float(self.Microchannel_air_dry_HTC_correlation_correction.text())
HX.air_dry_DP_correction = float(self.Microchannel_air_dry_DP_correlation_correction.text())
HX.air_wet_HTC_corr = self.Microchannel_air_wet_correlation.currentIndex()
HX.air_wet_HTC_correction = float(self.Microchannel_air_wet_HTC_correlation_correction.text())
HX.air_wet_DP_correction = float(self.Microchannel_air_wet_DP_correlation_correction.text())
if hasattr(self,"capacity_validation"):
if self.capacity_validation:
HX.capacity_validation_table = self.capacity_validation_table
validation = check_microchannel(HX)
if validation[0] == 1:
self.HX_data = HX
self.close()
elif validation[0] == 2:
reply = QMessageBox.warning(self, 'Warning!',
validation[1]+" Continue?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if reply == QMessageBox.Yes:
self.HX_data = HX
self.close()
else:
pass
else:
self.raise_error_message(validation[1])
def load_fields(self,HX):
index = self.Microchannel_mode.findText(HX.model, Qt.MatchFixedString)
self.Microchannel_mode.setCurrentIndex(index)
if hasattr(HX,"N_segments"):
self.Microchannel_N_segments.setValue(HX.N_segments)
index = self.Microchannel_accurate.findText(HX.Accurate, Qt.MatchFixedString)
self.Microchannel_accurate.setCurrentIndex(index)
self.Microchannel_name.setText(HX.name)
self.Microchannel_N_bank.setValue(HX.N_bank)
self.Microchannel_N_tube_per_bank.setValue(HX.N_tube_per_bank)
self.Geometry = HX.Geometry
self.Circuiting = HX.Circuiting
self.Microchannel_HX_Q_tolerance.setValue(HX.HX_Q_tol)
self.Microchannel_max_N_iterations.setValue(HX.N_iterations)
index = self.Microchannel_fan_model.findText(HX.Fan_model, Qt.MatchFixedString)
self.Microchannel_fan_model.setCurrentIndex(index)
if hasattr(HX,'Fan_model_efficiency_exp'):
self.Fan_Model_Efficiency = HX.Fan_model_efficiency_exp
if hasattr(HX,'Fan_model_power_exp'):
self.Fan_Model_Power = HX.Fan_model_power_exp
if hasattr(HX,'Fan_model_P_exp'):
self.Fan_Model_Curve_P = HX.Fan_model_P_exp
if hasattr(HX,'Fan_model_DP_exp'):
self.Fan_Model_Curve_DP = HX.Fan_model_DP_exp
if hasattr(HX,"Vdot_ha"):
self.Microchannel_air_flowrate.setText('%s' % float('%.5g' % (HX.Vdot_ha)))
self.Microchannel_air_flowrate_label.setChecked(True)
elif hasattr(HX,"mdot_da"):
self.Microchannel_air_mass_flowrate.setText('%s' % float('%.5g' % (HX.mdot_da)))
self.Microchannel_air_mass_flowrate_label.setChecked(True)
self.Microchannel_air_inlet_P.setText('%s' % float('%.5g' % (HX.Air_P)))
self.Microchannel_air_inlet_T.setText('%s' % float('%.5g' % (HX.Air_T-273.15)))
self.Microchannel_air_inlet_RH.setValue(HX.Air_RH*100)
self.Microchannel_superheat_HTC_correlation.setCurrentIndex(HX.superheat_HTC_corr)
self.Microchannel_superheat_HTC_correlation_correction.setText(str(HX.superheat_HTC_correction))
self.Microchannel_superheat_DP_correlation.setCurrentIndex(HX.superheat_DP_corr)
self.Microchannel_superheat_DP_correlation_correction.setText(str(HX.superheat_DP_correction))
self.Microchannel_2phase_HTC_correlation.setCurrentIndex(HX._2phase_HTC_corr)
self.Microchannel_2phase_HTC_correlation_correction.setText(str(HX._2phase_HTC_correction))
self.Microchannel_2phase_DP_correlation.setCurrentIndex(HX._2phase_DP_corr)
self.Microchannel_2phase_DP_correlation_correction.setText(str(HX._2phase_DP_correction))
self.Microchannel_subcool_HTC_correlation.setCurrentIndex(HX.subcool_HTC_corr)
self.Microchannel_subcool_HTC_correlation_correction.setText(str(HX.subcool_HTC_correction))
self.Microchannel_subcool_DP_correlation.setCurrentIndex(HX.subcool_DP_corr)
self.Microchannel_subcool_DP_correlation_correction.setText(str(HX.subcool_DP_correction))
self.Microchannel_superheat_HTC_correlation.setCurrentIndex(HX.superheat_HTC_corr)
self.Microchannel_superheat_HTC_correlation_correction.setText(str(HX.superheat_HTC_correction))
self.Microchannel_2phase_charge_correlation.setCurrentIndex(HX._2phase_charge_corr)
self.Microchannel_air_dry_correlation.setCurrentIndex(HX.air_dry_HTC_corr)
self.Microchannel_air_dry_HTC_correlation_correction.setText(str(HX.air_dry_HTC_correction))
self.Microchannel_air_dry_DP_correlation_correction.setText(str(HX.air_dry_DP_correction))
self.Microchannel_air_wet_correlation.setCurrentIndex(HX.air_wet_HTC_corr)
self.Microchannel_air_wet_HTC_correlation_correction.setText(str(HX.air_wet_HTC_correction))
self.Microchannel_air_wet_DP_correlation_correction.setText(str(HX.air_wet_DP_correction))
if hasattr(HX,'h_a_wet_on'):
self.wet_h_a_check.setChecked(HX.h_a_wet_on)
if hasattr(HX,'DP_a_wet_on'):
self.wet_DP_a_check.setChecked(HX.DP_a_wet_on)
def load_button(self):
path = QFileDialog.getOpenFileName(self, 'Open Microchannel HX file',directory=load_last_location(),filter="Heat Exchanger file (*.hx);;All files (*.*)")[0]
if path != "":
save_last_location(path)
result = read_Microchannel(path)
if result[0]:
try:
HX = result[1]
self.load_fields(HX)
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText("The file was loaded successfully")
msg.setWindowTitle("Success!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
except:
import traceback
print(traceback.format_exc())
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be loaded")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be loaded")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def save_button(self):
validate = self.validate()
if validate == 0:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please fill all empty fields")
msg.setWindowTitle("Empty Fields!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Geometry data")
msg.setWindowTitle("Geometry not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Bank Circuits Data")
msg.setWindowTitle("BAnk Circuiting Data not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 4:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Please Complete Fan Model Data")
msg.setWindowTitle("Fan Model not defined!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 1:
path = QFileDialog.getSaveFileName(self, caption='Save Microchannel HX file',directory=load_last_location(),filter="Heat Exchanger file (*.hx);;All files (*.*)")[0]
if path != "":
save_last_location(path)
if path[-3:].lower() != ".hx":
path = path+".hx"
HX = values()
HX.Geometry = self.Geometry
HX.Circuiting = self.Circuiting
HX.name = str(self.Microchannel_name.text())
HX.model = str(self.Microchannel_mode.currentText())
if self.Microchannel_mode.currentIndex() == 0:
HX.N_segments = int(self.Microchannel_N_segments.value())
HX.Accurate = str(self.Microchannel_accurate.currentText())
HX.N_bank = int(self.Microchannel_N_bank.value())
HX.N_tube_per_bank = int(self.Microchannel_N_tube_per_bank.value())
HX.HX_Q_tol = float(self.Microchannel_HX_Q_tolerance.value())
HX.N_iterations = int(self.Microchannel_max_N_iterations.value())
HX.Fan_model = self.Microchannel_fan_model.currentText()
if self.Microchannel_fan_model.currentIndex() == 0:
HX.Fan_model_efficiency_exp = self.Fan_Model_Efficiency
elif self.Microchannel_fan_model.currentIndex() == 1:
HX.Fan_model_P_exp = self.Fan_Model_Curve_P
HX.Fan_model_DP_exp = self.Fan_Model_Curve_DP
elif self.Microchannel_fan_model.currentIndex() == 2:
HX.Fan_model_power_exp = self.Fan_Model_Power
if self.Microchannel_air_flowrate_label.isChecked():
HX.Vdot_ha = volume_flowrate_unit_converter(self.Microchannel_air_flowrate.text(),self.Microchannel_air_flowrate_unit.currentIndex())
elif self.Microchannel_air_mass_flowrate_label.isChecked():
HX.mdot_da = mass_flowrate_unit_converter(self.Microchannel_air_mass_flowrate.text(),self.Microchannel_air_mass_flowrate_unit.currentIndex())
HX.Air_P = pressure_unit_converter(self.Microchannel_air_inlet_P.text(),self.Microchannel_air_inlet_P_unit.currentIndex())
HX.Air_T = temperature_unit_converter(self.Microchannel_air_inlet_T.text(),self.Microchannel_air_inlet_T_unit.currentIndex())
HX.Air_RH = float(self.Microchannel_air_inlet_RH.value()) / 100
HX.superheat_HTC_corr = self.Microchannel_superheat_HTC_correlation.currentIndex()
HX.superheat_HTC_correction = float(self.Microchannel_superheat_HTC_correlation_correction.text())
HX.superheat_DP_corr = self.Microchannel_superheat_DP_correlation.currentIndex()
HX.superheat_DP_correction = float(self.Microchannel_superheat_DP_correlation_correction.text())
HX._2phase_HTC_corr = self.Microchannel_2phase_HTC_correlation.currentIndex()
HX._2phase_HTC_correction = float(self.Microchannel_2phase_HTC_correlation_correction.text())
HX._2phase_DP_corr = self.Microchannel_2phase_DP_correlation.currentIndex()
HX._2phase_DP_correction = float(self.Microchannel_2phase_DP_correlation_correction.text())
HX.subcool_HTC_corr = self.Microchannel_subcool_HTC_correlation.currentIndex()
HX.subcool_HTC_correction = float(self.Microchannel_subcool_HTC_correlation_correction.text())
HX.subcool_DP_corr = self.Microchannel_subcool_DP_correlation.currentIndex()
HX.subcool_DP_correction = float(self.Microchannel_subcool_DP_correlation_correction.text())
HX.superheat_HTC_corr = self.Microchannel_superheat_HTC_correlation.currentIndex()
HX.superheat_HTC_correction = float(self.Microchannel_superheat_HTC_correlation_correction.text())
HX._2phase_charge_corr = float(self.Microchannel_2phase_charge_correlation.currentIndex())
HX.air_dry_HTC_corr = self.Microchannel_air_dry_correlation.currentIndex()
HX.air_dry_HTC_correction = float(self.Microchannel_air_dry_HTC_correlation_correction.text())
HX.air_dry_DP_correction = float(self.Microchannel_air_dry_DP_correlation_correction.text())
HX.air_wet_HTC_corr = self.Microchannel_air_wet_correlation.currentIndex()
HX.air_wet_HTC_correction = float(self.Microchannel_air_wet_HTC_correlation_correction.text())
HX.air_wet_DP_correction = float(self.Microchannel_air_wet_DP_correlation_correction.text())
HX.h_a_wet_on = self.wet_h_a_check.isChecked()
HX.DP_a_wet_on = self.wet_DP_a_check.isChecked()
result = write_Microchannel(HX,path)
if result:
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText("The file was saved successfully")
msg.setWindowTitle("Success!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("File could not be saved")
msg.setWindowTitle("Sorry!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def Microchannel_define_circuiting(self):
Microchannel_define_Circuiting_Dialog = Microchannel_Circuit_Window()
Microchannel_define_Circuiting_Dialog.setFocusPolicy(Qt.StrongFocus)
Microchannel_define_Circuiting_Dialog.N_bank = int(self.Microchannel_N_bank.value())
Microchannel_define_Circuiting_Dialog.N_tube_per_bank = int(self.Microchannel_N_tube_per_bank.value())
Microchannel_define_Circuiting_Dialog.update_UI()
if self.Circuiting.defined:
Microchannel_define_Circuiting_Dialog.bank_passes = self.Circuiting.bank_passes
Microchannel_define_Circuiting_Dialog.update_table()
Microchannel_define_Circuiting_Dialog.exec_()
if hasattr(Microchannel_define_Circuiting_Dialog,'Circuiting'):
self.Circuiting = Microchannel_define_Circuiting_Dialog.Circuiting
def Microchannel_define_bank_Geometry(self):
Microchannel_define_bank_Geometry_Dialog = Microchannel_Geometry_Window()
Microchannel_define_bank_Geometry_Dialog.setFocusPolicy(Qt.StrongFocus)
if self.Geometry.defined:
Geometry = self.Geometry
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_width.setText('%s' % float('%.5g' % (Geometry.T_w*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_height.setText('%s' % float('%.5g' % (Geometry.T_h*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_length.setText('%s' % float('%.5g' % (Geometry.T_l*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_spacing.setText('%s' % float('%.5g' % (Geometry.T_s*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_e_D.setText('%s' % float('%.5g' % (Geometry.e_D)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_number.setText(str(Geometry.N_ports))
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_shape.setCurrentIndex(Geometry.port_shape_index)
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_end.setCurrentIndex(Geometry.T_end_index)
if Geometry.port_shape_index == 0:
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_dimension_a.setText('%s' % float('%.5g' % (Geometry.port_a_dim*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_dimension_b.setText('%s' % float('%.5g' % (Geometry.port_b_dim*1000)))
elif Geometry.port_shape_index == 1:
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_dimension_a.setText('%s' % float('%.5g' % (Geometry.port_a_dim*1000)))
elif Geometry.port_shape_index == 2:
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_dimension_a.setText('%s' % float('%.5g' % (Geometry.port_a_dim*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_port_dimension_b.setText('%s' % float('%.5g' % (Geometry.port_b_dim*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_CS_shape.setCurrentIndex(Geometry.header_shape_index)
if Geometry.header_shape_index == 0:
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_CS_dimension_a.setText('%s' % float('%.5g' % (Geometry.header_a_dim*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_CS_dimension_b.setText('%s' % float('%.5g' % (Geometry.header_b_dim*1000)))
elif Geometry.header_shape_index == 1:
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_CS_dimension_a.setText('%s' % float('%.5g' % (Geometry.header_a_dim*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_height.setText('%s' % float('%.5g' % (Geometry.header_height*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_t.setText('%s' % float('%.5g' % (Geometry.Fin_t*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_FPI.setText(str(Geometry.Fin_FPI))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_length.setText('%s' % float('%.5g' % (Geometry.Fin_l*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_number.setCurrentIndex(Geometry.Fin_on_side_index)
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_type.setCurrentIndex(Geometry.Fin_type_index)
if Geometry.Fin_type_index == 0:
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_dimension_1.setText('%s' % float('%.5g' % (Geometry.Fin_llouv*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_dimension_2.setText('%s' % float('%.5g' % (Geometry.Fin_lp*1000)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_dimension_3.setText('%s' % float('%.5g' % (Geometry.Fin_lalpha)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_tube_k.setText('%s' % float('%.5g' % (Geometry.Tube_k)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_fin_k.setText('%s' % float('%.5g' % (Geometry.Fin_k)))
Microchannel_define_bank_Geometry_Dialog.Microchannel_header_DP.setText('%s' % float('%.5g' % (Geometry.Header_DP/1000)))
if hasattr(self,"validation_range"):
Microchannel_define_bank_Geometry_Dialog.validation_range = getattr(self.validation_range,"Geometry")
Microchannel_define_bank_Geometry_Dialog.enable_range_validation()
Microchannel_define_bank_Geometry_Dialog.exec_()
if Microchannel_define_bank_Geometry_Dialog.Delete_validation_range:
self.delete_validation_range()
if hasattr(Microchannel_define_bank_Geometry_Dialog,"Geometry"):
if hasattr(Microchannel_define_bank_Geometry_Dialog.Geometry,"defined"):
if Microchannel_define_bank_Geometry_Dialog.Geometry.defined:
self.Geometry = Microchannel_define_bank_Geometry_Dialog.Geometry
def validate(self):
if str(self.Microchannel_name.text()).strip() in ["","-","."]:
return 0
if self.Microchannel_air_flowrate_label.isChecked():
if str(self.Microchannel_air_flowrate.text()).strip() in ["","-","."]:
return 0
elif self.Microchannel_air_mass_flowrate_label.isChecked():
if str(self.Microchannel_air_mass_flowrate.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_inlet_P.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_inlet_T.text()).strip() in ["","-","."]:
return 0
if not self.Geometry.defined:
return 2
if not self.Circuiting.defined:
return 3
if str(self.Microchannel_subcool_HTC_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_subcool_DP_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_2phase_HTC_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_2phase_DP_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_superheat_HTC_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_superheat_DP_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_dry_HTC_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_dry_DP_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_wet_HTC_correlation_correction.text()).strip() in ["","-","."]:
return 0
if str(self.Microchannel_air_wet_DP_correlation_correction.text()).strip() in ["","-","."]:
return 0
if self.Microchannel_fan_model.currentIndex() == 0:
if not hasattr(self,"Fan_Model_Efficiency"):
return 4
elif self.Microchannel_fan_model.currentIndex() == 1:
if not hasattr(self,"Fan_Model_Curve_P"):
return 4
if not hasattr(self,"Fan_Model_Curve_DP"):
return 4
elif self.Microchannel_fan_model.currentIndex() == 2:
if not hasattr(self,"Fan_Model_Power"):
return 4
return 1
def Microchannel_fan_model_changed(self):
if hasattr(self,"Fan_Model_Efficiency"):
delattr(self,"Fan_Model_Efficiency")
if hasattr(self,"Fan_Model_Power"):
delattr(self,"Fan_Model_Power")
if hasattr(self,"Fan_Model_Curve_P"):
delattr(self,"Fan_Model_Curve_P")
if hasattr(self,"Fan_Model_Curve_DP"):
delattr(self,"Fan_Model_Curve_DP")
if self.Microchannel_fan_model.currentIndex() == 1:
self.Microchannel_air_flowrate_label.setText("Initial Guess for Inlet Humid Air Volume Flow Rate")
self.Microchannel_air_mass_flowrate_label.setText("Initial Guess for Inlet Dry Air Mass Flow Rate")
else:
self.Microchannel_air_flowrate_label.setText("Inlet Humid Air Volume Flow Rate")
self.Microchannel_air_mass_flowrate_label.setText("Inlet Dry Air Mass Flow Rate")
def Microchannel_fan_model_definition(self):
if self.Microchannel_fan_model.currentIndex() == 0:
Microchannel_Fan_Model_Efficiency_dialog = Microchannel_Fan_Model_Efficiency(self)
Microchannel_Fan_Model_Efficiency_dialog.setFocusPolicy(Qt.StrongFocus)
if hasattr(self,"Fan_Model_Efficiency"):
Microchannel_Fan_Model_Efficiency_dialog.Microchannel_efficiency_exp.setText(self.Fan_Model_Efficiency)
Microchannel_Fan_Model_Efficiency_dialog.exec_()
if hasattr(Microchannel_Fan_Model_Efficiency_dialog,"eff_exp"):
self.Fan_Model_Efficiency = str(Microchannel_Fan_Model_Efficiency_dialog.eff_exp)
elif self.Microchannel_fan_model.currentIndex() == 1:
Microchannel_Fan_Model_Curve_dialog = Microchannel_Fan_Model_Curve(self)
if hasattr(self,"Fan_Model_Curve_P"):
Microchannel_Fan_Model_Curve_dialog.Microchannel_P_exp.setText(self.Fan_Model_Curve_P)
if hasattr(self,"Fan_Model_Curve_DP"):
Microchannel_Fan_Model_Curve_dialog.Microchannel_DP_exp.setText(self.Fan_Model_Curve_DP)
Microchannel_Fan_Model_Curve_dialog.exec_()
if hasattr(Microchannel_Fan_Model_Curve_dialog,"P_exp"):
self.Fan_Model_Curve_P = str(Microchannel_Fan_Model_Curve_dialog.P_exp)
if hasattr(Microchannel_Fan_Model_Curve_dialog,"DP_exp"):
self.Fan_Model_Curve_DP = str(Microchannel_Fan_Model_Curve_dialog.DP_exp)
elif self.Microchannel_fan_model.currentIndex() == 2:
Microchannel_Fan_Model_Power_dialog = Microchannel_Fan_Model_Power(self)
Microchannel_Fan_Model_Power_dialog.setFocusPolicy(Qt.StrongFocus)
if hasattr(self,"Fan_Model_Power"):
Microchannel_Fan_Model_Power_dialog.Microchannel_power_exp.setText(self.Fan_Model_Power)
Microchannel_Fan_Model_Power_dialog.exec_()
if hasattr(Microchannel_Fan_Model_Power_dialog,"power_exp"):
self.Fan_Model_Power = str(Microchannel_Fan_Model_Power_dialog.power_exp)
def Microchannel_calculator_calculate(self):
try:
# Air Pressure
if self.Microchannel_air_calculator_P_unit.currentText() == "Pa":
Air_Pressure = float(self.Microchannel_air_calculator_P.text())
elif self.Microchannel_air_calculator_P_unit.currentText() == "kPa":
Air_Pressure = float(self.Microchannel_air_calculator_P.text()) * 1e3
elif self.Microchannel_air_calculator_P_unit.currentText() == "MPa":
Air_Pressure = float(self.Microchannel_air_calculator_P.text()) * 1e6
elif self.Microchannel_air_calculator_P_unit.currentText() == "bar":
Air_Pressure = float(self.Microchannel_air_calculator_P.text()) * 1e5
elif self.Microchannel_air_calculator_P_unit.currentText() == "atm":
Air_Pressure = float(self.Microchannel_air_calculator_P.text()) * 101325
elif self.Microchannel_air_calculator_P_unit.currentText() == "psi":
Air_Pressure = float(self.Microchannel_air_calculator_P.text()) * 6894.76
# Air DBT
if self.Microchannel_air_calculator_T_unit.currentText() == "C":
Air_DBT = float(self.Microchannel_air_calculator_T.text()) + 273.15
elif self.Microchannel_air_calculator_T_unit.currentText() == "K":
Air_DBT = float(self.Microchannel_air_calculator_T.text())
elif self.Microchannel_air_calculator_T_unit.currentText() == "F":
Air_DBT = (float(self.Microchannel_air_calculator_T.text()) - 32) * 5 / 9 + 273.15
# 2nd variable
# WBT
if self.Microchannel_air_calculator_option.currentIndex() == 0:
if self.Microchannel_air_calculator_2nd_unit.currentText() == "C":
Air_WBT = float(self.Microchannel_air_calculator_2nd.text()) + 273.15
elif self.Microchannel_air_calculator_2nd_unit.currentText() == "K":
Air_WBT = float(self.Microchannel_air_calculator_2nd.text())
elif self.Microchannel_air_calculator_2nd_unit.currentText() == "F":
Air_WBT = (float(self.Microchannel_air_calculator_2nd.text()) - 32) * 5 / 9 + 273.15
RH = round(HAPropsSI("R","P",Air_Pressure,"T",Air_DBT,"B",Air_WBT) * 100, 2)
# HR
elif self.Microchannel_air_calculator_option.currentIndex() == 1:
HR = float(self.Microchannel_air_calculator_2nd.text())
RH = round(HAPropsSI("R","P",Air_Pressure,"T",Air_DBT,"W",HR) * 100,2)
self.Microchannel_air_calculator_RH.setText(str(RH))
except:
self.Microchannel_air_calculator_RH.setText("Not Defined")
def Microchannel_calculator_option_changed(self):
if self.Microchannel_air_calculator_option.currentIndex() == 0:
self.Microchannel_air_calculator_2nd_label.setText("Air Wet Bulb Temperature")
self.Microchannel_air_calculator_2nd.clear()
self.Microchannel_air_calculator_2nd_unit.clear()
self.Microchannel_air_calculator_2nd_unit.addItems(["C","K","F"])
self.Microchannel_air_calculator_2nd_unit.adjustSize()
elif self.Microchannel_air_calculator_option.currentIndex() == 1:
self.Microchannel_air_calculator_2nd_label.setText("Humidity Ratio")
self.Microchannel_air_calculator_2nd.clear()
self.Microchannel_air_calculator_2nd_unit.clear()
self.Microchannel_air_calculator_2nd_unit.addItems(["Kg/Kg","lb/lb"])
self.Microchannel_air_calculator_2nd_unit.adjustSize()
def Microchannel_mode_changed(self):
if self.Microchannel_mode.currentIndex() == 1:
self.Microchannel_N_segments.setVisible(False)
self.Microchannel_N_segments_label.setVisible(False)
else:
self.Microchannel_N_segments.setVisible(True)
self.Microchannel_N_segments_label.setVisible(True)
def N_bank_changed(self):
self.Circuiting.defined = False
def cancel_button(self):
self.close()
class Microchannel_Fan_Model_Efficiency(QDialog, FROM_Microchannel_Fan_Model_efficiency):
def __init__(self, parent=None):
super(Microchannel_Fan_Model_Efficiency, self).__init__(parent)
self.setupUi(self)
self.Microchannel_cancel_button.clicked.connect(self.cancel_button)
self.Microchannel_ok_button.clicked.connect(self.ok_button)
def validate(self):
efficiency_exp = str(self.Microchannel_efficiency_exp.text()).strip().replace("^","**")
if efficiency_exp in ["","-","."]:
return 2
try:
eff=parse_expr(efficiency_exp)
except:
return 10
all_symbols_eff = [str(x) for x in eff.atoms(Symbol)]
# making sure 1 variable (volume flow rate) is present
if len(all_symbols_eff) != 1:
if len(all_symbols_eff) == 0: # if no variable is given, then a number is given
eff_value = eff.evalf()
if not (0.0 <= eff_value <= 1.0):
return 3
else:
return 1
else:
return 10
else:
return 1
def ok_button(self):
validate = self.validate()
if validate == 1:
self.eff_exp = str(self.Microchannel_efficiency_exp.text())
self.close()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Efficiency expression is empty")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Efficiency should be between 0 and 1")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Something is wrong with the efficiency expression")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def cancel_button(self):
self.close()
class Microchannel_Fan_Model_Power(QDialog, FROM_Microchannel_Fan_Model_power):
def __init__(self, parent=None):
super(Microchannel_Fan_Model_Power, self).__init__(parent)
self.setupUi(self)
self.Microchannel_cancel_button.clicked.connect(self.cancel_button)
self.Microchannel_ok_button.clicked.connect(self.ok_button)
def validate(self):
power_exp = str(self.Microchannel_power_exp.text()).strip().replace("^","**")
if power_exp in ["","-","."]:
return 2
try:
power=parse_expr(power_exp)
except:
return 10
all_symbols_power = [str(x) for x in power.atoms(Symbol)]
# making sure 1 variable (volume flow rate) is present
if len(all_symbols_power) != 1:
if len(all_symbols_power) == 0: # if no variable is given, then a number is given
power_value = power.evalf()
return 1
else:
return 10
else:
return 1
def ok_button(self):
validate = self.validate()
if validate == 1:
self.power_exp = str(self.Microchannel_power_exp.text())
self.close()
elif validate == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Power expression is empty")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Something is wrong with the power expression")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
def cancel_button(self):
self.close()
class Microchannel_Fan_Model_Curve(QDialog, FROM_Microchannel_Fan_Model_curve):
def __init__(self, parent=None):
super(Microchannel_Fan_Model_Curve, self).__init__(parent)
self.setupUi(self)
self.Microchannel_cancel_button.clicked.connect(self.cancel_button)
self.Microchannel_ok_button.clicked.connect(self.ok_button)
def validate_P(self):
P_exp = str(self.Microchannel_P_exp.text()).strip().replace("^","**")
if P_exp in ["","-","."]:
return 2
try:
P=parse_expr(P_exp)
except:
return 10
all_symbols_P = [str(x) for x in P.atoms(Symbol)]
# making sure 1 variable (volume flow rate) is present
if len(all_symbols_P) != 1:
if len(all_symbols_P) == 0: # if no variable is given, then a number is given
P_value = float(P.evalf())
if P_value <= 0:
return 3
else:
return 1
else:
return 10
else:
return 1
def validate_DP(self):
DP_exp = str(self.Microchannel_DP_exp.text()).strip().replace("^","**")
if DP_exp in ["","-","."]:
return 2
try:
DP=parse_expr(DP_exp)
except:
return 10
all_symbols_DP = [str(x) for x in DP.atoms(Symbol)]
# making sure 1 variable (volume flow rate) is present
if len(all_symbols_DP) != 1:
if len(all_symbols_DP) == 0: # if no variable is given, then a number is given
DP_value = float(DP.evalf())
if DP_value <= 0:
return 3
else:
return 1
else:
return 10
else:
return 1
def ok_button(self):
validate_P = self.validate_P()
validate_DP = self.validate_DP()
if validate_P == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Power expression is empty")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate_P == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Power must be positive number")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate_P != 1:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Something is wrong with the Power expression")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate_DP == 2:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Pressure Drop expression is empty")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate_DP == 3:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Pressure Drop must be positive number")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
elif validate_DP != 1:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Something is wrong with the Pressure Drop expression")
msg.setWindowTitle("Error!")
msg.setStandardButtons(QMessageBox.Ok)
msg.exec_()
if (validate_DP == 1) and (validate_P == 1):
self.P_exp = str(self.Microchannel_P_exp.text())
self.DP_exp = str(self.Microchannel_DP_exp.text())
self.close()
def cancel_button(self):
self.close()
if __name__ == '__main__':
def main():
app=QApplication(sys.argv)
app.setStyle('Fusion')
window = MicrochannelWindow()