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91 lines
4.7 KiB
Matlab
91 lines
4.7 KiB
Matlab
% Example of CoolProp for Octave
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% Ian Bell, 2013
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CoolProp
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disp(['CoolProp version: ', CoolProp.get_global_param_string('version')])
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disp(['CoolProp gitrevision: ', CoolProp.get_global_param_string('gitrevision')])
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disp(['CoolProp fluids: ', CoolProp.get_global_param_string('FluidsList')])
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disp(' ')
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disp('************ USING EOS *************')
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disp(' ')
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disp('FLUID STATE INDEPENDENT INPUTS')
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disp(['Critical Density Propane: ', CoolProp.Props1('Propane','rhocrit'), ' kg/m^3'])
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disp(['TWO PHASE INPUTS (Pressure)'])
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disp(['Density of saturated liquid Propane at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',0,'Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',1,'R290'), ' kg/m^3'])
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disp(['TWO PHASE INPUTS (Temperature)'])
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disp(['Density of saturated liquid Propane at 300 K: ', CoolProp.Props('D','T',300,'Q',0,'Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 300 K: ', CoolProp.Props('D','T',300,'Q',1,'R290'), ' kg/m^3'])
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disp(['SINGLE PHASE CYCLE (propane)'])
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p = CoolProp.Props('P','T',300,'D',1,'Propane');
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h = CoolProp.Props('H','T',300,'D',1,'Propane');
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disp(['T,D -> P,H ', 300,',', 1, ' --> ',p,',',h])
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T = CoolProp.Props('T','P',p,'H',h,'Propane');
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D = CoolProp.Props('D','P',p,'H',h,'Propane');
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disp(['P,H -> T,D', p,',',h,'-->',T,',',D])
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disp([' '])
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disp(['************ USING TTSE ***************'])
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disp([' '])
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CoolProp.enable_TTSE_LUT('Propane');
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disp(['TWO PHASE INPUTS (Pressure)'])
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disp(['Density of saturated liquid Propane at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',0,'Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',1,'R290'), ' kg/m^3'])
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disp(['TWO PHASE INPUTS (Temperature)'])
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disp(['Density of saturated liquid Propane at 300 K: ', CoolProp.Props('D','T',300,'Q',0,'Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 300 K: ', CoolProp.Props('D','T',300,'Q',1,'R290'), ' kg/m^3'])
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disp(['SINGLE PHASE CYCLE (propane)'])
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p = CoolProp.Props('P','T',300,'D',1,'Propane');
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h = CoolProp.Props('H','T',300,'D',1,'Propane');
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disp(['T,D -> P,H ', 300,',',1, ' --> ',p,',',h])
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T = CoolProp.Props('T','P',p,'H',h,'Propane');
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D = CoolProp.Props('D','P',p,'H',h,'Propane');
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disp(['P,H -> T,D ', p,',',h,' --> ',T,',',D])
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CoolProp.disable_TTSE_LUT('Propane');
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try
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disp(' ')
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disp('************ USING REFPROP ***************')
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disp(' ')
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disp('FLUID STATE INDEPENDENT INPUTS')
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disp(['Critical Density Propane:', CoolProp.Props('REFPROP-Propane','rhocrit'), 'kg/m^3'])
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disp(['TWO PHASE INPUTS (Pressure)'])
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disp(['Density of saturated liquid Propane at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',0,'REFPROP-Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 101.325 kPa: ', CoolProp.Props('D','P',101.325,'Q',1,'REFPROP-Propane'), ' kg/m^3'])
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disp(['TWO PHASE INPUTS (Temperature)'])
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disp(['Density of saturated liquid Propane at 300 K: ', CoolProp.Props('D','T',300,'Q',0,'REFPROP-Propane'), ' kg/m^3'])
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disp(['Density of saturated vapor R290 at 300 K: ', CoolProp.Props('D','T',300,'Q',1,'REFPROP-Propane'), ' kg/m^3'])
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disp(['SINGLE PHASE CYCLE (propane)'])
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p = CoolProp.Props('P','T',300,'D',1,'REFPROP-Propane');
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h = CoolProp.Props('H','T',300,'D',1,'REFPROP-Propane');
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disp(['T,D -> P,H ', 300,',',1, ' --> ',p,',',h])
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T = CoolProp.Props('T','P',p,'H',h,'REFPROP-Propane');
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D = CoolProp.Props('D','P',p,'H',h,'REFPROP-Propane');
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disp(['P,H -> T,D ', p,',',h,' --> ',T,',',D])
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catch
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disp(' ')
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disp('************ CANT USE REFPROP ************')
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disp(' ')
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end
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disp([' '])
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disp('************ CHANGE UNIT SYSTEM (default is kSI) *************')
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disp(' ')
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CoolProp.set_standard_unit_system(CoolProp.UNIT_SYSTEM_SI)
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disp(['Vapor pressure of water at 373.15 K in SI units (Pa):',CoolProp.Props('P','T',373.15,'Q',0,'Water')]);
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CoolProp.set_standard_unit_system(CoolProp.UNIT_SYSTEM_KSI)
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disp(['Vapor pressure of water at 373.15 K in kSI units (kPa):',CoolProp.Props('P','T',373.15,'Q',0,'Water')]);
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disp(' ')
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disp('************ BRINES AND SECONDARY WORKING FLUIDS *************')
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disp(' ')
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disp(['Density of 50% (mass) ethylene glycol/water at 300 K, 101.325 kPa: ', CoolProp.Props('D','T',300,'P',101.325,'EG-50%'), ' kg/m^3'])
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disp(['Viscosity of Therminol D12 at 350 K, 101.325 kPa: ', CoolProp.Props('V', 'T', 350, 'P', 101.325, 'TD12'), ' Pa-s'])
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disp(' ')
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disp('************ HUMID AIR PROPERTIES *************')
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disp(' ')
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disp(['Humidity ratio of 50% rel. hum. air at 300 K, 101.325 kPa: ', CoolProp.HAProps('W','T',300,'P',101.325,'R',0.5), ' kg_w/kg_da'])
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disp(['Relative humidity from last calculation: ', CoolProp.HAProps('R','T',300,'P',101.325,'W',HAProps('W','T',300,'P',101.325,'R',0.5)), '(fractional)'])
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