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Plots.py
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Plots.py
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from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
import numpy as np
from CoolProp.Plots import PropertyPlot
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
from matplotlib.figure import Figure
import CoolProp as CP
import matplotlib.pyplot as plt
from matplotlib.ticker import FuncFormatter
import warnings
from GUI_functions import load_refrigerant_list
class values():
pass
class PlotsWidget(QWidget):
def __init__(self, Cycle, mode, parent=None):
super(PlotsWidget, self).__init__(parent)
if mode == "AC":
condenser_name = "Outdoor Unit"
evaporator_name = "Indoor Unit"
elif mode == "HP":
condenser_name = "Indoor Unit"
evaporator_name = "Outdoor Unit"
Widgets_list = []
# PH diagram tab
Widgets_list.append(["PH diagram",Plot_PH(Cycle.Ref,Cycle.Results.States_matrix[:,0],Cycle.Results.States_matrix[:,2],evaporator_name,condenser_name)])
# TS diagram tab
Widgets_list.append(["TS diagram",Plot_TS(Cycle.Ref,Cycle.Results.States_matrix[:,1],Cycle.Results.States_matrix[:,3],evaporator_name,condenser_name)])
# charge Distribution tab
charge_list = [Cycle.Evaporator.Results.Charge,
Cycle.Condenser.Results.Charge,
Cycle.Line_Suction.Results.Charge,
Cycle.Line_Discharge.Results.Charge,
Cycle.Line_Liquid.Results.Charge,
Cycle.Line_2phase.Results.Charge,
]
names = [evaporator_name, condenser_name, 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
Widgets_list.append(["Charge Distribution",Plot_pie(charge_list,names,"Charge","kg",4)])
# power distribution tab
power_list = [Cycle.Evaporator.Fan.power,
Cycle.Condenser.Fan.power,
Cycle.Compressor.power_elec,
]
names = [evaporator_name+' Fan', condenser_name+' Fan', 'Compressor']
Widgets_list.append(["Electric Power Distribution",Plot_pie(power_list,names,"electric power","W",2)])
# compressor efficiencies tab
Compressor_efficiencies_list = [Cycle.Compressor.eta_isen*100,
Cycle.Compressor.eta_v*100,
Cycle.Compressor.Elec_eff*100,
]
names = ['Isentropic Efficiency', 'Volumetric Efficiency', 'Electric Efficiency']
Widgets_list.append(["Compressor Efficiencies",Plot_bar(Compressor_efficiencies_list,names,"Efficiency (%)",2,"%",(0,100))])
# pressure drop tab
pressure_drop_list = [abs(Cycle.Evaporator.Results.DP_r),
abs(Cycle.Condenser.Results.DP_r),
abs(Cycle.Line_Suction.Results.DP_r),
abs(Cycle.Line_Discharge.Results.DP_r),
abs(Cycle.Line_Liquid.Results.DP_r),
abs(Cycle.Line_2phase.Results.DP_r),
]
names = [evaporator_name, condenser_name, 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
Widgets_list.append(["Refrigerant Pressure Drop Distribution",Plot_pie(pressure_drop_list,names,"refrigerant pressure drop","Pa",2)])
# Entropy Generation Tab
names = [evaporator_name, condenser_name, 'Compressor', 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
S_gen_list = [abs(Cycle.Evaporator.Results.S_gen),
abs(Cycle.Condenser.Results.S_gen),
abs(Cycle.Compressor.S_gen),
abs(Cycle.Line_Suction.Results.S_gen),
abs(Cycle.Line_Discharge.Results.S_gen),
abs(Cycle.Line_Liquid.Results.S_gen),
abs(Cycle.Line_2phase.Results.S_gen),
]
if hasattr(Cycle,"Capillary"):
S_gen_list.append(abs(Cycle.Capillary.Results.S_gen))
names.append("Capillary Tube")
Widgets_list.append(["Entropy Generation",Plot_pie(S_gen_list,names,"entropy generation","W/K",3)])
# condenser tab
Widgets_list.append([condenser_name,Plot_HX(Cycle.Condenser)])
# evaporator tab
Widgets_list.append([evaporator_name,Plot_HX(Cycle.Evaporator)])
# create layout
self.layout = QVBoxLayout()
# Initialize tab screen
self.tabs = QTabWidget()
for Widget in Widgets_list:
Widget_tab = QWidget()
# Add tab
self.tabs.addTab(Widget_tab, Widget[0])
# Create Cycle tab
Widget_tab.layout = QHBoxLayout()
Widget_tab.layout.addWidget(Widget[1])
Widget_tab.setLayout(Widget_tab.layout)
# Add tabs to widget
self.layout.addWidget(self.tabs)
self.setLayout(self.layout)
class PlotsParamWidget(QWidget):
def __init__(self, outputs, mode, parent=None):
super(PlotsParamWidget, self).__init__(parent)
if mode == "AC":
condenser_name = "Outdoor Unit"
evaporator_name = "Indoor Unit"
elif mode == "HP":
condenser_name = "Indoor Unit"
evaporator_name = "Outdoor Unit"
Widgets_list = []
'''
# PH diagram tab
Widgets_list.append(["PH diagram",Plot_PH(Cycle.Ref,Cycle.Results.States_matrix[:,0],Cycle.Results.States_matrix[:,2],evaporator_name,condenser_name)])
# TS diagram tab
Widgets_list.append(["TS diagram",Plot_TS(Cycle.Ref,Cycle.Results.States_matrix[:,1],Cycle.Results.States_matrix[:,3],evaporator_name,condenser_name)])
# charge Distribution tab
charge_list = [Cycle.Evaporator.Results.Charge,
Cycle.Condenser.Results.Charge,
Cycle.Line_Suction.Results.Charge,
Cycle.Line_Discharge.Results.Charge,
Cycle.Line_Liquid.Results.Charge,
Cycle.Line_2phase.Results.Charge,
]
names = [evaporator_name, condenser_name, 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
Widgets_list.append(["Charge Distribution",Plot_pie(charge_list,names,"Charge","kg",4)])
# power distribution tab
power_list = [Cycle.Evaporator.Fan.power,
Cycle.Condenser.Fan.power,
Cycle.Compressor.power_elec,
]
names = [evaporator_name+' Fan', condenser_name+' Fan', 'Compressor']
Widgets_list.append(["Electric Power Distribution",Plot_pie(power_list,names,"electric power","W",2)])
# compressor efficiencies tab
Compressor_efficiencies_list = [Cycle.Compressor.eta_isen*100,
Cycle.Compressor.eta_v*100,
Cycle.Compressor.Elec_eff*100,
]
names = ['Isentropic Efficiency', 'Volumetric Efficiency', 'Electric Efficiency']
Widgets_list.append(["Compressor Efficiencies",Plot_bar(Compressor_efficiencies_list,names,"Efficiency (%)",2,"%",(0,100))])
# pressure drop tab
pressure_drop_list = [abs(Cycle.Evaporator.Results.DP_r),
abs(Cycle.Condenser.Results.DP_r),
abs(Cycle.Line_Suction.Results.DP_r),
abs(Cycle.Line_Discharge.Results.DP_r),
abs(Cycle.Line_Liquid.Results.DP_r),
abs(Cycle.Line_2phase.Results.DP_r),
]
names = [evaporator_name, condenser_name, 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
Widgets_list.append(["Refrigerant Pressure Drop Distribution",Plot_pie(pressure_drop_list,names,"refrigerant pressure drop","Pa",2)])
# Entropy Generation Tab
names = [evaporator_name, condenser_name, 'Compressor', 'Suction Line', 'Dishcarge Line', 'Liquid Line', 'Two-phase Line']
S_gen_list = [abs(Cycle.Evaporator.Results.S_gen),
abs(Cycle.Condenser.Results.S_gen),
abs(Cycle.Compressor.S_gen),
abs(Cycle.Line_Suction.Results.S_gen),
abs(Cycle.Line_Discharge.Results.S_gen),
abs(Cycle.Line_Liquid.Results.S_gen),
abs(Cycle.Line_2phase.Results.S_gen),
]
if hasattr(Cycle,"Capillary"):
S_gen_list.append(abs(Cycle.Capillary.Results.S_gen))
names.append("Capillary Tube")
Widgets_list.append(["Entropy Generation",Plot_pie(S_gen_list,names,"entropy generation","W/K",3)])
# condenser tab
Widgets_list.append([condenser_name,Plot_HX(Cycle.Condenser)])
# evaporator tab
Widgets_list.append([evaporator_name,Plot_HX(Cycle.Evaporator)])
# create layout
self.layout = QVBoxLayout()
# Initialize tab screen
self.tabs = QTabWidget()
for Widget in Widgets_list:
Widget_tab = QWidget()
# Add tab
self.tabs.addTab(Widget_tab, Widget[0])
# Create Cycle tab
Widget_tab.layout = QHBoxLayout()
Widget_tab.layout.addWidget(Widget[1])
Widget_tab.setLayout(Widget_tab.layout)
# Add tabs to widget
self.layout.addWidget(self.tabs)
self.setLayout(self.layout)
'''
class Plot_PH(QWidget):
def __init__(self, Ref,P_list,h_list,evaporator_name,condenser_name, parent=None):
super(Plot_PH, self).__init__(parent)
sc = MplCanvas(width=5, height=4)
try:
ref_list = load_refrigerant_list()
if ref_list[0]:
ref_list = ref_list[1]
else:
raise
mass_fractions = ref_list[ref_list[:,0] == Ref][0,2]
ref_names = ref_list[ref_list[:,0] == Ref][0,1]
ref_name_list = [ref_names[i]+"["+str(mass_fractions[i])+"]" for i in range(len(ref_names))]
Ref_name = "&".join(ref_name_list)
plot = PropertyPlot("REFPROP::"+Ref_name, 'ph',tp_limits='ACHP',axis=sc.axes)
Ref_name = "&".join(ref_list[ref_list[:,0] == Ref][0,1])
mass_fractions = ref_list[ref_list[:,0] == Ref][0,2]
AS = CP.AbstractState("REFPROP", Ref_name) # defining abstract state
if not len(mass_fractions) == 1:
AS.set_mass_fractions(mass_fractions)
succeeded = True
except:
import traceback
print(traceback.format_exc())
try:
plot = PropertyPlot(Ref, 'ph',tp_limits='ACHP',axis=sc.axes)
AS = CP.AbstractState("HEOS",Ref)
succeeded = True
except:
succeeded = False
if succeeded:
with warnings.catch_warnings():
warnings.simplefilter("ignore")
plot.calc_isolines(CP.iQ)
plot.draw_isolines()
for i in range(8):
sc.axes.plot(h_list[i]/1000,P_list[i]/1e3,'o')
if i%2==0:
sc.axes.annotate(str(i+1), (h_list[i]/1000,P_list[i]/1e3),horizontalalignment='right', verticalalignment='top')
else:
sc.axes.annotate(str(i+1), (h_list[i]/1000,P_list[i]/1e3),horizontalalignment='left', verticalalignment='bottom')
for i in range(8):
if i < 7:
sc.axes.plot([h_list[i]/1000,h_list[i+1]/1000],[P_list[i]/1e3,P_list[i+1]/1e3],'-',color="blue")
else:
sc.axes.plot([h_list[i]/1000,h_list[0]/1000],[P_list[i]/1e3,P_list[0]/1e3],'-',color="blue")
Pmax = AS.p_critical()
sc.axes.set_xlim([min(h_list/1000)*0.8,max(h_list/1000)*1.2])
sc.axes.set_ylim([min(P_list/1e3)*0.7,max(Pmax/1e3,max(P_list/1e3))*1.2])
sc.axes.set_xlabel("Specific enthalpy (kJ/kg)")
sc.axes.set_ylabel("Pressure (MPa)")
logfmt = FuncFormatter(lambda x, pos: '{0:g}'.format(x/1000))
sc.axes.yaxis.set_major_formatter(logfmt)
sc.axes.yaxis.set_minor_formatter(logfmt)
sc.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
label = QLabel()
label.setText("<p>1 -> 2 (Discharge Line)</p><p>2 -> 3 ("+condenser_name+")</p><p>3 -> 4 (Liquid Line)</p><p>4 -> 5 (Throttling Device)</p><p>5 -> 6 (Two-phase Line)</p><p>6 -> 7 ("+evaporator_name+")</p><p>7 -> 8 (Suction Line)</p><p>8 -> 1 (Compressor)</p>")
table = QTableWidget(2,len(P_list))
table.setHorizontalHeaderLabels([str(i+1) for i in range(len(P_list))])
table.setVerticalHeaderLabels(["Pressure (MPa)","Enthalpy (kJ/kg"])
table.setEditTriggers(QAbstractItemView.NoEditTriggers)
for i in range(len(P_list)):
P = P_list[i]/1e6
h = h_list[i]/1000
table.setItem(0,i,QTableWidgetItem("%.5g" % P))
table.setItem(1,i,QTableWidgetItem("%.5g" % h))
table.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
table.resizeColumnsToContents()
table.verticalHeader().setStretchLastSection(True)
self.layout = QVBoxLayout()
layout0 = QHBoxLayout()
layout1 = QHBoxLayout()
layout1.addWidget(label)
layout1.addStretch()
layout2 = QHBoxLayout()
layout2.addWidget(sc)
layout2.addStretch()
layout0.addLayout(layout1)
layout0.addLayout(layout2)
self.layout.addLayout(layout0)
layout3 = QHBoxLayout()
layout3.addWidget(table)
self.layout.addLayout(layout3)
self.layout.addStretch()
self.setLayout(self.layout)
class Plot_TS(QWidget):
def __init__(self, Ref,T_list,S_list,evaporator_name,condenser_name, parent=None):
super(Plot_TS, self).__init__(parent)
sc = MplCanvas(width=5, height=4)
try:
ref_list = load_refrigerant_list()
if ref_list[0]:
ref_list = ref_list[1]
else:
raise
mass_fractions = ref_list[ref_list[:,0] == Ref][0,2]
ref_names = ref_list[ref_list[:,0] == Ref][0,1]
ref_name_list = [ref_names[i]+"["+str(mass_fractions[i])+"]" for i in range(len(ref_names))]
Ref_name = "&".join(ref_name_list)
plot = PropertyPlot("REFPROP::"+Ref_name, 'ts',tp_limits='ACHP',axis=sc.axes)
Ref_name = "&".join(ref_list[ref_list[:,0] == Ref][0,1])
mass_fractions = ref_list[ref_list[:,0] == Ref][0,2]
AS = CP.AbstractState("REFPROP", Ref_name) # defining abstract state
if not len(mass_fractions) == 1:
AS.set_mass_fractions(mass_fractions)
succeeded = True
except:
import traceback
print(traceback.format_exc())
try:
plot = PropertyPlot(Ref, 'ts',tp_limits='ACHP',axis=sc.axes)
AS = CP.AbstractState("HEOS",Ref)
succeeded = True
except:
succeeded = False
if succeeded:
with warnings.catch_warnings():
warnings.simplefilter("ignore")
plot.calc_isolines(CP.iQ)
plot.draw_isolines()
sc.axes.plot(T_list,S_list/1000,'o')
for i in range(8):
sc.axes.plot(S_list[i]/1000,T_list[i],'o')
if i%2==0:
sc.axes.annotate(str(i+1), (S_list[i]/1000,T_list[i]),horizontalalignment='right', verticalalignment='top')
else:
sc.axes.annotate(str(i+1), (S_list[i]/1000,T_list[i]),horizontalalignment='left', verticalalignment='bottom')
for i in range(8):
if i < 7:
sc.axes.plot([S_list[i]/1000,S_list[i+1]/1000],[T_list[i],T_list[i+1]],'-',color="blue")
else:
sc.axes.plot([S_list[i]/1000,S_list[0]/1000],[T_list[i],T_list[0]],'-',color="blue")
Tmax = AS.T_critical()
sc.axes.set_xlim([min(S_list/1000)*0.8,max(S_list/1000)*1.2])
sc.axes.set_ylim([min(T_list)*0.7,max(Tmax,max(T_list))*1.2])
sc.axes.set_xlabel("Specific entropy (kJ/kg.K)")
sc.axes.set_ylabel("Temperature ($^\circ$K)")
sc.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
label = QLabel()
label.setText("<p>1 -> 2 (Discharge Line)</p><p>2 -> 3 ("+condenser_name+")</p><p>3 -> 4 (Liquid Line)</p><p>4 -> 5 (Throttling Device)</p><p>5 -> 6 (Two-phase Line)</p><p>6 -> 7 ("+evaporator_name+")</p><p>7 -> 8 (Suction Line)</p><p>8 -> 1 (Compressor)</p>")
table = QTableWidget(2,len(T_list))
table.setHorizontalHeaderLabels([str(i+1) for i in range(len(T_list))])
table.setVerticalHeaderLabels(["Temperature (K)","Entropy (kJ/kg.K"])
table.setEditTriggers(QAbstractItemView.NoEditTriggers)
for i in range(len(T_list)):
table.setItem(0,i,QTableWidgetItem("%.5g" % T_list[i]))
S = S_list[i]/1000
table.setItem(1,i,QTableWidgetItem("%.5g" % S))
table.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
table.resizeColumnsToContents()
table.verticalHeader().setStretchLastSection(True)
self.layout = QVBoxLayout()
layout0 = QHBoxLayout()
layout1 = QHBoxLayout()
layout1.addWidget(label)
layout1.addStretch()
layout2 = QHBoxLayout()
layout2.addWidget(sc)
layout2.addStretch()
layout0.addLayout(layout1)
layout0.addLayout(layout2)
self.layout.addLayout(layout0)
layout3 = QHBoxLayout()
layout3.addWidget(table)
self.layout.addLayout(layout3)
self.layout.addStretch()
self.setLayout(self.layout)
class Plot_pie(QWidget):
def __init__(self,values_list,names,title,unit,accuracy,show_total=True, parent=None):
super(Plot_pie, self).__init__(parent)
sc = MplCanvas(width=5, height=4)
total = np.sum(values_list)
values_list = list(values_list)
for i,item in enumerate(values_list):
if item == 0:
values_list[i] = -1
names[i] = -1
not_yet = True
while not_yet:
if -1 in values_list:
values_list.remove(-1)
names.remove(-1)
else:
not_yet = False
explode = [0.1 for i in range(len(names))]
values_list = np.abs(np.array(values_list))
while all(values_list < 1):
values_list *= 10
sc.axes.pie(values_list,labels=names,autopct='%1.2f%%',explode = explode)
sc.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
label = QLabel()
if show_total:
label.setText("<h2>Total "+title+": "+str(round(total,accuracy))+" "+unit+"</h2>")
self.layout = QVBoxLayout()
layout1 = QHBoxLayout()
layout1.addStretch()
layout1.addWidget(sc)
layout1.addStretch()
layout2 = QHBoxLayout()
layout2.addStretch()
layout2.addWidget(label)
layout2.addStretch()
self.layout.addLayout(layout1)
self.layout.addLayout(layout2)
self.setLayout(self.layout)
class Plot_Compressor_Efficiencies(QWidget):
def __init__(self,Compressor_Efficiencies,names, parent=None):
super(Plot_Compressor_Efficiencies, self).__init__(parent)
sc = MplCanvas(width=5, height=4)
Compressor_Efficiencies = np.array(Compressor_Efficiencies)
sc.axes.bar(names,Compressor_Efficiencies,0.4,color=["orange","blue","green"])
sc.axes.set_ylim([0,100])
sc.axes.set_ylabel("Efficiency (%)")
for i, v in enumerate(Compressor_Efficiencies):
sc.axes.text(i,v*0.5, str(round(v,2))+" %", color='black', fontweight='bold',horizontalalignment="center")
sc.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.layout = QVBoxLayout()
layout1 = QHBoxLayout()
layout1.addStretch()
layout1.addWidget(sc)
layout1.addStretch()
self.layout.addLayout(layout1)
self.setLayout(self.layout)
class Plot_bar(QWidget):
def __init__(self,values_list,names,y_label,accuracy,unit,y_lim=None, parent=None):
super(Plot_bar, self).__init__(parent)
sc = MplCanvas(width=5, height=4)
values_list = list(values_list)
for i,item in enumerate(values_list):
if item == 0:
values_list[i] = -1
names[i] = -1
not_yet = True
while not_yet:
if -1 in values_list:
values_list.remove(-1)
names.remove(-1)
else:
not_yet = False
colors = []
for i in range(len(values_list)):
colors.append(plt.cm.brg(i/len(values_list)))
sc.axes.bar(names,values_list,0.4,color=colors)
if not y_lim is None:
sc.axes.set_ylim(y_lim)
sc.axes.set_ylabel(y_label)
for i, v in enumerate(values_list):
sc.axes.text(i,v*0.5, str(round(v,accuracy))+" "+unit, color='black', fontweight='bold',horizontalalignment="center")
sc.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.layout = QVBoxLayout()
layout1 = QHBoxLayout()
layout1.addStretch()
layout1.addWidget(sc)
layout1.addStretch()
self.layout.addLayout(layout1)
self.setLayout(self.layout)
class Plot_HX(QWidget):
def __init__(self, HX, parent=None):
super(Plot_HX, self).__init__(parent)
Widgets_list = []
Capacity_list = [abs(HX.Results.Q_superheat),
abs(HX.Results.Q_2phase),
abs(HX.Results.Q_subcool),]
Widgets_list.append(["Capacity Distribution",Plot_pie(Capacity_list,["Superheated","Two-phase","Subcooled"],"capacity","W",2)])
Refrigerant_Pressure_Drop_list = [abs(HX.Results.DP_r_superheat),
abs(HX.Results.DP_r_2phase),
abs(HX.Results.DP_r_subcool),]
Widgets_list.append(["Ref Pressure Drop Distribution",Plot_pie(Refrigerant_Pressure_Drop_list,["Superheated","Two-phase","Subcooled"],"refrigerant pressure drop","Pa",2)])
Area_fraction_list = [abs(HX.Results.w_superheat*100),
abs(HX.Results.w_2phase*100),
abs(HX.Results.w_subcool*100),]
Widgets_list.append(["Heat Exchanger Area Distribution",Plot_pie(Area_fraction_list,["Superheated","Two-phase","Subcooled"],"Area","m^2",2,show_total=False)])
Refrigerant_HTC_list = [abs(HX.Results.h_r_superheat),
abs(HX.Results.h_r_2phase),
abs(HX.Results.h_r_subcool),]
Widgets_list.append(["Ref HTC",Plot_bar(Refrigerant_HTC_list,["Superheated","Two-phase","Subcooled"],"HTC (W/m.K)",2,"")])
# create layout
self.layout = QVBoxLayout()
# Initialize tab screen
self.tabs = QTabWidget()
for Widget in Widgets_list:
Widget_tab = QWidget()
# Add tab
self.tabs.addTab(Widget_tab, Widget[0])
# Create Cycle tab
Widget_tab.layout = QHBoxLayout()
Widget_tab.layout.addWidget(Widget[1])
Widget_tab.setLayout(Widget_tab.layout)
# Add tabs to widget
self.layout.addWidget(self.tabs)
self.setLayout(self.layout)
def zero_to_nan(sample):
return [np.nan if x==0 else x for x in sample]
class MplCanvas(FigureCanvasQTAgg):
def __init__(self, width=5, height=5):
self.fig = Figure()
self.axes = self.fig.add_subplot(111)
self.fig.subplots_adjust(0.1, 0.1, 0.95, 0.95)
super(MplCanvas, self).__init__(self.fig)