PythonModel.refrigerants.
R410A
¶Bases: object
Class for the evaluation of properties of refrigerant R410A.
Properties are based on commercial refrigerant Dupont Suva 410A.
get_IsentropicExponent_vT
(v, T)¶Evaluate the isentropic exponent.
Parameters: |
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Returns: | Isentropic exponent (-). |
>>> ref = R410A()
>>> '%.4f' % ref.get_IsentropicExponent_vT(0.025, 289.64)
'1.3862'
get_SaturatedLiquidEnthalpy
(TLiq)¶Evaluate the specific enthalpy of saturated liquid refrigerant.
Parameters: | TLiq – Temperature of the saturated liquid refrigerant (K). |
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Returns: | Specific enthalpy of saturated liquid refrigerant (J/kg). |
>>> ref = R410A()
>>> '%.2f' % ref.get_SaturatedLiquidEnthalpy(305.25)
'252787.45'
get_SaturatedLiquidPressure
(TLiq)¶Evaluate the pressure of saturated liquid refrigerant.
Parameters: | TLiq – Temperature of the saturated liquid refrigerant (K). |
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Returns: | Pressure of saturated liquid refrigerant (Pa). |
>>> ref = R410A()
>>> '%.2f' % ref.get_SaturatedLiquidPressure(305.25)
'1989639.98'
get_SaturatedVaporEnthalpy
(TVap)¶Evaluate the specific enthalpy of saturated liquid refrigerant.
Parameters: | TLiq – Temperature of the saturated liquid refrigerant (K). |
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Returns: | Specific enthalpy of saturated liquid refrigerant (J/kg). |
Note
Correlated properties from the thermodynamic properties of DuPont Suva R410A. An expression similar to the saturated liquid enthalpy was used.
>>> ref = R410A()
>>> '%.2f' % ref.get_SaturatedVaporEnthalpy(283.15)
'425094.18'
get_SaturatedVaporPressure
(TVap)¶Evaluate the pressure of saturated refrigerant vapor.
Parameters: | TLiq – Temperature of the saturated liquid refrigerant (K). |
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Returns: | Pressure of saturated refrigerant vapor (Pa). |
>>> ref = R410A()
>>> '%.2f' % ref.get_SaturatedVaporPressure(283.15)
'1082792.93'
get_SpecificIsobaricHeatCapacity_vT
(v, T)¶Evaluate the specific isobaric heat capacity.
Parameters: |
|
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Returns: | Specific isobaric heat capacity (J/kg-K). |
>>> ref = R410A()
>>> '%.2f' % ref.get_SpecificIsobaricHeatCapacity_vT(0.025, 289.64)
'1167.01'
get_SpecificIsochoricHeatCapacity_vT
(v, T)¶Evaluate the specific isochoric heat capacity.
Parameters: |
|
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Returns: | Specific isochoric heat capacity (J/kg-K). |
>>> ref = R410A()
>>> '%.2f' % ref.get_SpecificIsochoricHeatCapacity_vT(0.025, 289.64)
'841.85'
get_VaporPressure
(TVap, vVap)¶Evaluate the pressure of refrigerant vapor.
Parameters: |
|
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Returns: | Pressure of refrigerant vapor (Pa). |
The pressure is calculated fromthe Martin-Hou equation of state for refrigerant R410A.
>>> ref = R410A()
>>> '%.2f' % ref.get_VaporPressure(289.64, 0.025)
'1083546.30'
get_VaporSpecificVolume
(p, T, tol=1e-06)¶Evaluate the Specific of refrigerant vapor.
Parameters: |
|
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Returns: | Specific volume of refrigerant vapor (m3/kg). |
Uses the Martin-Hou equation of state to determine specific volume.
>>> ref = R410A()
>>> '%.8f' % ref.get_VaporSpecificVolume(1083546.3, 289.64)
'0.02500001'
modelicaModelPath
()¶Returns: | Full path to the refrigerant package in the BuildingSystems library. |
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>>> ref = R410A()
>>> ref.modelicaModelPath()
'BuildingSystems.Media.Refrigerants.R410A'