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Solved: Methane (CH4) is burned with dry air. The
Chapter 15, Problem 1530(choose chapter or problem)
Methane (CH4) is burned with dry air. The volumetric analysis of the products on a dry basis is 5.20 percent CO2, 0.33 percent CO, 11.24 percent O2, and 83.23 percent N2. Determine (a) the airfuel ratio and (b) the percentage of theoretical air used.
Questions & Answers
QUESTION:
Methane (CH4) is burned with dry air. The volumetric analysis of the products on a dry basis is 5.20 percent CO2, 0.33 percent CO, 11.24 percent O2, and 83.23 percent N2. Determine (a) the airfuel ratio and (b) the percentage of theoretical air used.
ANSWER:Step 1 of 5
Methane is burned with dry air. The volumetric analysis of the products is given. The AF ratio and the percentage of theoretical air used are to be determined.
Assumptions are
1. Combustion is complete.
2. The combustion products contain , , , , and only.
The molar masses of C, , and air are , , and , respectively (Table A-1).