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mass of moisture and ash contents added to N2

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This commit is contained in:
ignis 2021-11-17 21:43:24 +09:00
parent 1824abcb81
commit 1d9674ff45
1 changed files with 7 additions and 5 deletions
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12
coal.py
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@ -15,7 +15,7 @@ fc = 0.4347
ash = 0.1055
vm_fc = 1. - moist - ash
fuelMfr = coalMfr * vm_fc
fuelMfr = coalMfr
gri_species = {S.name: S for S in ct.Species.listFromFile('gri30.cti')}
nasa_species = {S.name: S for S in ct.Species.listFromFile('nasa_gas.cti')}
@ -37,7 +37,7 @@ airs = [
]
for i, air in enumerate(airs):
pass # print("air", i, air.report())
print("air {}, T = {}, mass flow rate = {}".format(i+1, air.T, air.mass))
airmix = reduce(lambda a, b: a+b, airs)
print("Total Air flow rate = ", airmix.mass)
@ -45,6 +45,7 @@ print("Total Air flow rate = ", airmix.mass)
"""#############################################################################
Dummy gaseous coal object containing elementary composition
mass of moisture and ash contents is added to N2
#############################################################################"""
coal = ct.Solution(thermo='IdealGas', species=system_species)
@ -52,7 +53,7 @@ coal.TPY = 348.15, ct.one_atm, '''\
C: 81.41,
H2: 5.47,
O2: 10.83,
N2: 1.71,
N2: 36.9647930755,
S: 0.57
'''
@ -63,8 +64,9 @@ Heating value = Sum(Product Enthalpy of Formation) - Sum(Reactant Enthalpy of Fo
#############################################################################"""
# coal heating value = 5761 Kcal/kg * 4.184 kJ/kcal
coalHV = 5761 * 4184. # J/kg, with Moisture and Ash
coalHV = - 5761 * 4.184 # J/kg, with Moisture and Ash
coalHVdaf = - 5761 * 4.184 / vm_fc # kJ/kg, Dry and Ash Free, Negative since exothermic
print("HV of Coal , kJ/kg = ", coalHV)
print("HV of Coal(daf), kJ/kg = ", coalHVdaf)
# sum product of 1kg coal enthalpy of formation - kJ/kg
@ -74,7 +76,7 @@ sum_product_hf = (
- 8919.38250 * coal.mass_fraction_dict()['S'])
print("Sum(Hf_product), kJ/kg = ", sum_product_hf)
sum_coal_hf = - coalHVdaf + sum_product_hf
sum_coal_hf = - coalHV + sum_product_hf
print("Sum(Hf_reactant), kJ/kg = ", sum_coal_hf)