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. 2020 Sep 30;22(10):1104. doi: 10.3390/e22101104
Latin Symbols
CO Carbon monoxide
CO2 Carbon dioxide
Cv Calorific value of butane fuel (J/kg)
Cw Specific heat of water (kJ/kg.K)
Cp Specific heat of container (kJ/kg.K)
Eloss Energy loss (W)
Edes Exergy destroyed (W)
ID Inner diameter (mm)
Mass flow rate (kg/s)
Mw Mass of water (kg)
Mc Mass of container (kg)
NO Nitric oxide
NOx Nitrogen oxides
ppm Part per million
ppcm Pore per centimeter
PMB Porous media burner
Qtotal Total energy (J/s)
Qactu Energy generated from combustion (J/s)
Qexergy Total exergy (J/s)
Sgen Entropy generation rate (W/K)
Smax Specific entropy at maximum temperature (J/kg.K)
Samb Specific entropy at ambient temperature (J/kg.K)
Tmax Maximum temperature (°C)
Tw Porous wall temperature (°C)
To Ambient temperature (°C)
t Time (s)
Un Uncertainty of the experiments
xi Experiment values
x¯ Mean values
Δs Specific entropy different (j/kg.K)
Greek Symbols
ρ Density (kg/m3)
φ Equivalence ratio
ύ Volumetric flow rate
η Efficiency
σx Standard deviation
σx¯ Standard error
Subscripts
actu Actual
stoic Stoichiometric