Q1: A one mole of Methane is burned at equivalence ratio (0.7), the fuel - air mixture at initial temperature 298K. After complete combustion. After complete combustion, determine (a) the mole fraction of production analysis. (b) the adiabatic flame temperature. Ans: xCO,=0.06849, xH;O=0.1369 , xN3=0.7358 „xO3=0.0587 T=1856.9K
Q1: A one mole of Methane is burned at equivalence ratio (0.7), the fuel - air mixture at initial temperature 298K. After complete combustion. After complete combustion, determine (a) the mole fraction of production analysis. (b) the adiabatic flame temperature. Ans: xCO,=0.06849, xH;O=0.1369 , xN3=0.7358 „xO3=0.0587 T=1856.9K
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Questions about adiabatic flame temperature in combustion
Transcribed Image Text:Exercise about Adiabatic Flame Temperature
Note: if initial temperature not know take it 298K.
Q1: A one mole of Methane is burned at equivalence ratio (0.7), the fuel
- air mixture at initial temperature 298K. After complete combustion.
After complete combustion, determine
(a) the mole fraction of
production analysis. (b) the adiabatic flame temperature.
Ans: XCO2=0.06849, xH;O=0.1369 , xN3=0.7358 ,xOz=0.0587 T.=1856.9K
Q2: re-solution equation one but change the initial temperature of fresh
gases to 323K.
Ans: T=1877.6K
Q3: Analysis of production gases for IC engine show that the mole
fractions as: XCO2=0.08637, xH,O=0.1727,x02=0.01192, xN2=0.7217.
Determine: (a) the equivalence ratio (b) the adiabatic flame temperature.
Ans: D=0.9 , T,=2191.4K
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