def Update(self):
'''
Update cycle class with selected HX type
Update cycle class with Abstract State
'''
if self.EvapSolver == 'Moving-Boundary':
if self.EvapType == 'Fin-tube':
self.Evaporator = EvaporatorClass()
self.Evaporator.Fins = FinInputs()
elif self.EvapType == 'Micro-channel':
raise
else:
raise
elif self.EvapSolver == 'Finite-Element':
raise
else:
raise
if self.CondSolver == 'Moving-Boundary':
if self.CondType == 'Fin-tube':
self.Condenser = CondenserClass()
self.Condenser.Fins = FinInputs()
elif self.CondType == 'Micro-channel':
self.Condenser = MicroCondenserClass()
self.Condenser.Fins = MicroFinInputs()
else:
raise
elif self.CondSolver == 'Finite-Element':
raise
else:
raise
#Abstract State
self.AS = CP.AbstractState(self.Backend, self.Ref)
def __init__(self):
"""
Load up the necessary sub-structures to be filled with
the code that follows
"""
self.Compressor = CompressorClass()
#Outdoor coil is a Condenser in cooling mode and evaporator in heating mode
self.CoolingCoil = CoolingCoilClass()
self.CoolingCoil.Fins = FinInputs()
self.Pump = PumpClass()
#Add both types of internal heat exchangers
self.CoaxialIHX = CoaxialHXClass()
self.PHEIHX = PHEHXClass()
self.LineSetSupply = LineSetOptionClass()
self.LineSetReturn = LineSetOptionClass()
self.LineSetSuction = LineSetOptionClass()
self.LineSetDischarge = LineSetOptionClass()
self.LineSetLiquid = LineSetOptionClass()
#Make IHX an empty class for holding parameters common to PHE and Coaxial IHX
class struct:
pass
self.IHX = struct()
def Update(self):
'''
Update cycle class with selected HX type
Update cyle class with Abstract State
'''
if self.EvapSolver == 'Moving-Boundary':
if self.EvapType == 'Fin-tube':
self.Evaporator = EvaporatorClass()
self.Evaporator.Fins = FinInputs()
elif self.EvapType == 'Micro-channel':
self.Evaporator = MicroChannelEvaporatorClass()
self.Evaporator.Fins = MicroFinInputs()
else:
raise
elif self.EvapSolver == 'Finite-Element':
self.Evaporator = DiscretizeEvaporatorClass()
else:
raise
if self.CondSolver == 'Moving-Boundary':
if self.CondType == 'Fin-tube':
self.Condenser = CondenserClass()
self.Condenser.Fins = FinInputs()
elif self.CondType == 'Micro-channel':
self.Condenser = MicroCondenserClass()
self.Condenser.Fins = MicroFinInputs()
else:
raise
elif self.CondSolver == 'Finite-Element':
self.Condenser = DiscretizeCondenserClass()
else:
raise
#Abstract State
self.AS = CP.AbstractState(self.Backend, self.Ref)
if hasattr(self, 'MassFrac'):
self.AS.set_mass_fractions([self.MassFrac])
elif hasattr(self, 'VoluFrac'):
self.AS.set_volu_fractions([self.VoluFrac])
#Abstract State for SecLoopFluid
self.AS_SLF = CP.AbstractState(self.Backend_SLF, self.SecLoopFluid)
if hasattr(self, 'MassFrac_SLF'):
self.AS_SLF.set_mass_fractions([self.MassFrac_SLF])
elif hasattr(self, 'VoluFrac_SLF'):
self.AS_SLF.set_volu_fractions([self.VoluFrac_SLF])
def __init__(self):
"""
Load up the necessary sub-structures to be filled with
the code that follows
"""
self.Compressor = CompressorClass()
self.CoolingCoil = CoolingCoilClass()
self.CoolingCoil.Fins = FinInputs()
self.PHEHX = PHEHXClass()
self.Pump = PumpClass()
def SampleGasCooler(AS):
Fins = FinInputs()
Fins.Tubes.NTubes_per_bank = 18 #number of tubes per bank or row
Fins.Tubes.Nbank = 3 #number of banks or rows
Fins.Tubes.Ncircuits = 1 #number of circuits
Fins.Tubes.Ltube = 0.61 #one tube length
Fins.Tubes.OD = 7.9 / 1000
Fins.Tubes.ID = 7.5 / 1000
Fins.Tubes.Pl = 19 / 1000 #distance between center of tubes in flow direction
Fins.Tubes.Pt = 25 / 1000 #distance between center of tubes orthogonal to flow direction
Fins.Tubes.kw = 237 #wall thermal conductivity (i.e pipe material)
Fins.Fins.FPI = 1 / (1.5 / 1000 / 0.0254) #Number of fins per inch
Fins.Fins.Pd = 0.001 #2* amplitude of wavy fin
Fins.Fins.xf = 0.001 #1/2 period of fin
Fins.Fins.t = 0.13 / 1000 #Thickness of fin material
Fins.Fins.k_fin = 237 #Thermal conductivity of fin material
Fins.Air.Vdot_ha = 0.281 #rated volumetric flowrate (m^3/s)
Fins.Air.Tmean = 29.4 + 273.15
Fins.Air.Tdb = 29.4 + 273.15 #Dry Bulb Temperature
Fins.Air.p = 101325 #Air pressure in Pa
Fins.Air.RH = 0.5 #Relative Humidity
Fins.Air.RHmean = 0.5
Fins.Air.FanPower = 160
params = {
'AS': AS,
'mdot_r': 0.076,
'Tin_r': 110.6 + 273.15,
'psat_r': 11000000,
'Fins': Fins,
'FinsType':
'WavyLouveredFins', #Choose fin Type: 'WavyLouveredFins' or 'HerringboneFins'or 'PlainFins'
'Verbosity': 0,
'h_a_tuning': 1,
'h_r_tuning': 1,
'DP_tuning': 1,
}
Cond = GasCoolerClass(**params)
Cond.Calculate()
return Cond
def SampleCondenser(AS, T=41.37):
Fins = FinInputs()
Fins.Tubes.NTubes_per_bank = 41 #number of tubes per bank or row
Fins.Tubes.Nbank = 1 #number of banks or rows
Fins.Tubes.Ncircuits = 5 #number of circuits
Fins.Tubes.Ltube = 2.286 #one tube length
Fins.Tubes.OD = 0.007
Fins.Tubes.ID = 0.0063904
Fins.Tubes.Pl = 0.0191 #distance between center of tubes in flow direction
Fins.Tubes.Pt = 0.0222 #distance between center of tubes orthogonal to flow direction
Fins.Tubes.kw = 237 #Wall thermal conductivity
Fins.Fins.FPI = 25 #Number of fins per inch
Fins.Fins.Pd = 0.001 #2* amplitude of wavy fin
Fins.Fins.xf = 0.001 #1/2 period of fin
Fins.Fins.t = 0.00011 #Thickness of fin material
Fins.Fins.k_fin = 237 #Thermal conductivity of fin material
Fins.Air.Vdot_ha = 1.7934 #rated volumetric flowrate
Fins.Air.Tmean = 308.15
Fins.Air.Tdb = 308.15 #Dry Bulb Temperature
Fins.Air.p = 101325 #Air pressure in Pa
Fins.Air.RH = 0.51 #Relative Humidity
Fins.Air.RHmean = 0.51
Fins.Air.FanPower = 160
params = {
'AS': AS, #Abstract State
'mdot_r': 0.0708,
'Tin_r': T + 20 + 273.15,
'psat_r': 2500076.19, #PropsSI('P','T',T+273.15,'Q',1.0,'R410A')
'Fins': Fins,
'FinsType':
'HerringboneFins', #Choose fin Type: 'WavyLouveredFins' or 'HerringboneFins'or 'PlainFins'
'Verbosity': 0,
'h_a_tuning': 1,
'h_tp_tuning': 1,
'DP_tuning': 1,
}
Cond = CondenserClass(**params)
Cond.Calculate()
return Cond
def TestCase(AS_g):
CC=CoolingCoilClass()
FinsTubes=FinInputs()
FinsTubes.Tubes.NTubes_per_bank=32
FinsTubes.Tubes.Nbank=3
FinsTubes.Tubes.Ncircuits=5
FinsTubes.Tubes.Ltube=0.452
FinsTubes.Tubes.OD=0.009525
FinsTubes.Tubes.ID=0.0089154
FinsTubes.Tubes.Pl=0.0254
FinsTubes.Tubes.Pt=0.0219964
FinsTubes.Tubes.kw=237 #wall thermal conductivity (i.e pipe material)
FinsTubes.Fins.FPI=14.5
FinsTubes.Fins.Pd=0.001
FinsTubes.Fins.xf=0.001
FinsTubes.Fins.t=0.00011
FinsTubes.Fins.k_fin=237
FinsTubes.Air.Vdot_ha=0.5663
FinsTubes.Air.Tmean=299.8
FinsTubes.Air.Tdb= 299.8
FinsTubes.Air.p=101325
FinsTubes.Air.RH=0.51
FinsTubes.Air.RHmean=0.51
FinsTubes.Air.FanPower=438
CC.Fins = FinsTubes
CC.FinsType = 'WavyLouveredFins' #Choose fin Type: 'WavyLouveredFins' or 'HerringboneFins'or 'PlainFins'
CC.AS_g = AS_g
CC.mdot_g = 0.15
CC.Tin_g = 278
CC.pin_g = 300000
CC.Verbosity = 3
CC.Calculate()
print (CC.OutputList())
from __future__ import print_function
from CoolProp.CoolProp import PropsSI
from ACHP.Condenser import CondenserClass
from ACHP.FinCorrelations import FinInputs
Fins = FinInputs()
Fins.Tubes.NTubes_per_bank = 41 #number of tubes per bank or row
Fins.Tubes.Nbank = 1 #number of banks or rows
Fins.Tubes.Ncircuits = 5 #number of circuits
Fins.Tubes.Ltube = 2.286 #one tube length
Fins.Tubes.OD = 0.007
Fins.Tubes.ID = 0.0063904
Fins.Tubes.Pl = 0.0191 #distance between center of tubes in flow direction
Fins.Tubes.Pt = 0.0222 #distance between center of tubes orthogonal to flow direction
Fins.Fins.FPI = 25 #Number of fins per inch
Fins.Fins.Pd = 0.001 #2* amplitude of wavy fin
Fins.Fins.xf = 0.001 #1/2 period of fin
Fins.Fins.t = 0.00011 #Thickness of fin material
Fins.Fins.k_fin = 237 #Thermal conductivity of fin material
Fins.Air.Vdot_ha = 1.7934 #rated volumetric flowrate
Fins.Air.Tdb = 308.15 #Dry Bulb Temperature
Fins.Air.p = 101325 #Air pressure in Pa
Fins.Air.RH = 0.51 #Relative Humidity
Fins.Air.FanPower = 160
params = {
'Ref': 'R410A',
'mdot_r': 0.0708,
from __future__ import division, print_function, absolute_import from ACHP.FinCorrelations import FinInputs from ACHP.Evaporator import EvaporatorClass from ACHP.MultiCircuitEvaporator import MultiCircuitEvaporatorClass import CoolProp as CP from CoolProp.CoolProp import PropsSI import numpy as np FinsTubes = FinInputs() FinsTubes.Tubes.NTubes_per_bank = 32 FinsTubes.Tubes.Ncircuits = 5 FinsTubes.Tubes.Nbank = 3 FinsTubes.Tubes.Ltube = 0.452 FinsTubes.Tubes.OD = 0.009525 FinsTubes.Tubes.ID = 0.0089154 FinsTubes.Tubes.Pl = 0.0254 FinsTubes.Tubes.Pt = 0.0219964 FinsTubes.Tubes.kw = 237 #Wall thermal conductivity FinsTubes.Fins.FPI = 14.5 FinsTubes.Fins.Pd = 0.001 FinsTubes.Fins.xf = 0.001 FinsTubes.Fins.t = 0.00011 FinsTubes.Fins.k_fin = 237 FinsTubes.Air.Vdot_ha = 0.5663 FinsTubes.Air.Tmean = 299.8 FinsTubes.Air.Tdb = 299.8 FinsTubes.Air.p = 101325 FinsTubes.Air.RH = 0.51
from __future__ import division #Make integer 3/2 give 1.5 in python 2.x from CoolProp.CoolProp import PropsSI import numpy as np import pylab as pylab from math import pi #from PyACHP.Correlations import AccelPressureDrop, LockhartMartinelli from ACHP.FinCorrelations import WavyLouveredFins, HerringboneFins, FinInputs, PlainFins #example evaporator FinsTubes = FinInputs() FinsTubes.Tubes.NTubes_per_bank = 32 FinsTubes.Tubes.Ncircuits = 5 FinsTubes.Tubes.Nbank = 6 FinsTubes.Tubes.Ltube = 0.452 FinsTubes.Tubes.OD = 0.009525 FinsTubes.Tubes.ID = 0.0089154 FinsTubes.Tubes.Pl = 0.0254 FinsTubes.Tubes.Pt = 0.0219964 FinsTubes.Fins.FPI = 14.5 FinsTubes.Fins.Pd = 0.001 FinsTubes.Fins.xf = 0.001 FinsTubes.Fins.t = 0.00011 FinsTubes.Fins.k_fin = 237 FinsTubes.Air.Vdot_ha = 0.5663 FinsTubes.Air.Tmean = 299.8 FinsTubes.Air.Tdb = 299.8 FinsTubes.Air.p = 101325 FinsTubes.Air.RH = 0.51
