65 lines
1,017 B
Python
Executable file
65 lines
1,017 B
Python
Executable file
"""Conversion factors to SI (m, kg, kmol, s)"""
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from constants import Avogadro, GasConstant
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kmol = 1.0
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mol = 1.e-3
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molecule = kmol/Avogadro
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m = 1.0
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cm = 0.01
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mm = 0.001
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m2 = 1.0
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cm2 = 1.e-4
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mm2 = 1.e-6
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A2 = 1.e-20
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m3 = 1.0
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cm3 = 1.e-6
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mm3 = 1.e-9
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J = 1.0
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kJ = 1000.0
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cal = 4.184
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kcal = 4184.0
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K = 1.0
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kJ_per_mol = kJ/mol
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cal_per_mol = cal/mol
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kcal_per_mol = kcal/mol
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mol_per_cm2 = mol/cm/cm
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molecule_per_cm2 = molecule/cm/cm
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# pressure
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Pa = 1.0
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kPa = 1000.0
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atm = 1.01325e5
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bar = 1.0e5
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torr = atm/760.0
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# mass
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kg = 1.0
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gm = 1000.0
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# mass flux
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kg_per_m2_per_s = 1.0
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g_per_cm2_per_s = gm/(cm*cm)
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_lengthdict = {'m':m, 'cm':cm, 'mm':mm}
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def length(u):
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return _lengthdict[u]
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_moldict = {'kmol':kmol, 'mol':mol, 'molecule':molecule}
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def mole(u):
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return _moldict[u]
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_eadict = {'kJ_per_mol':kJ_per_mol,
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'kcal_per_mol':kcal_per_mol,
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'cal_per_mol':cal_per_mol,
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'K':GasConstant}
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def actEnergy(u):
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return _eadict[u]/GasConstant
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