84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
# convert to Pa
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def bar_to_pa(p):
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return p*1e5
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def mWS_to_pa(p):
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return p*9.80665*1e3
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def torr_to_pa(p):
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return p*133.322
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def atm_to_pa(p):
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return p*101.325*1e3
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def psi_to_pa(p):
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return p*6894.8
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# convert from Pa
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def pa_to_bar(p):
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return p*1e-5
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def pa_to_mWS(p):
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return p*1/(9.80665*1e3)
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def pa_to_torr(p):
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return p/133.322
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def pa_to_atm(p):
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return p*1/(101.325*1e3)
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# converstion function
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def pa_to_psi(p):
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return p/6894.8
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def pressure_conversion(pressure, input_unit = 'bar', target_unit = 'Pa', return_unit = False):
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p = pressure
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if input_unit.lower() == 'bar':
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p_pa = bar_to_pa(p)
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elif input_unit.lower() == 'mws':
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p_pa = mWS_to_pa(p)
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elif input_unit.lower() == 'torr':
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p_pa = torr_to_pa(p)
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elif input_unit.lower() == 'atm':
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p_pa = atm_to_pa(p)
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elif input_unit.lower() == 'psi':
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p_pa = psi_to_pa(p)
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elif input_unit.lower() == 'pa':
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p_pa = p
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else:
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raise Exception('Given input unit not recognised. \n Known units are: Pa, bar, mWs, Torr, atm, psi')
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if target_unit.lower() == 'bar':
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return_vec = [pa_to_bar(p_pa), target_unit]
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elif target_unit.lower() == 'mws':
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return_vec = [pa_to_mWS(p_pa), target_unit]
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elif target_unit.lower() == 'torr':
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return_vec = [pa_to_torr(p_pa), target_unit]
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elif target_unit.lower() == 'atm':
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return_vec = [pa_to_atm(p_pa), target_unit]
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elif target_unit.lower() =='psi':
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return_vec = [pa_to_psi(p_pa), target_unit]
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elif target_unit.lower() == 'pa':
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return_vec = [p_pa, target_unit]
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else:
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raise Exception('Given target unit not recognised. \n Known units are: Pa, bar, mWs, Torr, atm, psi')
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if return_unit == True:
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# return with pressure unit
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return return_vec
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else:
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# return without pressure unit
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return return_vec[0]
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# testing_pressure_conversion
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if __name__ == '__main__':
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p = 1
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unit_dict = ['Pa','Bar','Torr','Atm','MWS','psi']
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for input_unit in unit_dict:
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for target_unit in unit_dict:
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converted_p = pressure_conversion(p,input_unit,target_unit,return_unit=False)
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print(input_unit,target_unit)
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print(converted_p) |