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21 lines
531 B
Python
21 lines
531 B
Python
import CoolProp
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CPmod = CoolProp.CoolProp
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def get_offset_NBP(name):
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#CPmod.set_debug_level(10)
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CPmod.set_reference_state(name,"RESET")
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HEOS = CoolProp.AbstractState('HEOS', name)
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HEOS.update(CoolProp.PQ_INPUTS, 101325, 0)
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gas_constant = HEOS.gas_constant()/HEOS.molar_mass()
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delta_a1 = HEOS.smass()/(gas_constant)
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delta_a2 = -HEOS.hmass()/(gas_constant*HEOS.keyed_output(CoolProp.iT_reducing))
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return delta_a1, delta_a2
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if __name__=='__main__':
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name = 'MM'
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print(get_offset_NBP(name))
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