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103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
from __future__ import division, print_function
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import CoolProp.CoolProp as CP
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import CoolProp.unit_systems_constants
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from CoolProp import param_constants
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from CoolProp.State import State
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S = State('R134a',dict(T=300,D=1))
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# factor is SI / kSI value
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State_listing = [('T',1),
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('get_speed_sound',1),
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('rho',1),
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('p',1000),
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('h',1000),
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('s',1000),
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('cv',1000),
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('cp',1000),
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('visc',1),
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('k',1000),
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]
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def test_State():
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for parameter,SI_over_kSI in State_listing:
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_SI)
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val_SI = getattr(S, parameter)
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_KSI)
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val_kSI = getattr(S, parameter)
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yield check, val_SI, val_kSI, SI_over_kSI
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Props_listing = [('T',1),
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('A',1),
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('D',1),
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('P',1000),
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('H',1000),
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('S',1000),
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('C',1000),
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('C0',1000),
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('O',1000),
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('V',1),
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('L',1000),
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]
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def test_PROPS():
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for parameter, SI_over_kSI in Props_listing:
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yield check_Props, parameter, SI_over_kSI
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def check_Props(parameter, SI_over_kSI):
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_SI)
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val_SI = CP.Props(parameter,'T',300.0,'D',1.0,'R134a')
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_KSI)
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val_kSI = CP.Props(parameter,'T',300.0,'D',1.0,'R134a')
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try:
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val_SI = val_SI()
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val_kSI = val_kSI()
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except:
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pass
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print(val_SI,val_kSI, val_SI/val_kSI - SI_over_kSI)
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if abs(val_SI/val_kSI - SI_over_kSI) > 1e-12:
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raise ValueError(val_SI/val_kSI-SI_over_kSI)
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State_Props_listing = [(param_constants.iT,1),
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(param_constants.iA,1),
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(param_constants.iD,1),
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(param_constants.iP,1000),
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(param_constants.iH,1000),
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(param_constants.iS,1000),
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(param_constants.iC,1000),
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(param_constants.iC0,1000),
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(param_constants.iO,1000),
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(param_constants.iV,1),
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(param_constants.iL,1000),
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]
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def test_State_PROPS():
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for parameter, SI_over_kSI in State_Props_listing:
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_SI)
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val_SI = S.Props(parameter)
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CP.set_standard_unit_system(CoolProp.unit_systems_constants.UNIT_SYSTEM_KSI)
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val_kSI = S.Props(parameter)
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yield check, val_SI, val_kSI, SI_over_kSI
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def check(val_SI, val_kSI, SI_over_kSI):
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try:
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val_SI = val_SI()
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val_kSI = val_kSI()
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except:
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pass
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if abs(val_SI/val_kSI - SI_over_kSI) > 1e-12:
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raise ValueError(val_SI/val_kSI-SI_over_kSI)
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if __name__=='__main__':
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import nose
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nose.runmodule() |