Q7-The combustion of methan gas with air leads to the following volumetric ana-lysis during atest: 9.7% CO2, 0.5% CO, and 3.0% 02. Determin the molestomof air used per mole of fuel in the test, and Compare with the Same ratio forstoichiometric combustion. Answers 10.8, 9.52

Given data from the problem:Combustion gas analysis: 9.7% CO₂, 0.5% CO, 3.0% O₂Answers provided:…

Answered: Q7-The combustion of methan gas with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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⑤The The combustion of methan gas with air leads to the following volumetric analysis during a test: 9.7% co₂ 0.5% co; and 3% 02.Determin the moles of air used Per mole of fuel in the test, and compare with the Same ratio for stoichiometric Combustion.
A GACEOUS FUEL WAS REPORTED to HAVE THE FOLLOWING VOLUMETRIC ANALYCIS: 84.1% 6.7% CH4 | 0.8% 8-4% FOR TO DETERMINED: CO2 1 N2 O FIND THE THEORETICAL AIR FUEL RATIO, IN m3air m Fuel FIND THE LOWER HEATING VALUE O THE FUEL, IN kJ kg Fuel FIND THE ACTUAL AIR/FUEL RATIO BY MASS IF EXCESS AIR OF 12% 1S USED. (4 ESTIMATE THE HIGHER HEATING VALUE OF THE FUEL, IN KT Ky Fuel
C,Hs is burned in an engine with a fuel-rich air-fuel ratio. Dry analysis of the exhaust gives the following volume percents: CO, 14.95%, C,H, 0.75%, CO 0%. H = 0%, O, 0%, with the rest being N. Higher heating value of this fuel is Quav 46.9 MJ/kg. Write the balanced chemical equation for one mole of this fuel at these conditions Calculate: (a) Air-fuel ratio. (b) Equivalence ratio. (c) Lower heating value of fuel. [MJ/kg] (d) Energy released when one kg of this fuel is burned in the engine with a combustion efficiency of 98%. [MJ]
Ql:- C4HS is burned in an engine with a fuel-rich air-fuel ratio. Dry analysis of the exhaust gives the following volume percents: COz 14.95%, C4HS 0.75%, CO 0%, Hz 0%, Oz 0%, with the rest being Nz. Higher heating value of this fuel is QHHV = 46.9 MJ/kg. Write the balanced chemical equation for one mole of this fuel at these conditions. Calculate: (a) Air-fuel ratio. (b) Equivalence ratio. (c) Lower heating value of the fuel. [MJ/kg] (d) The energy released when one kg of this fuel is burned in the engine with a combustion efficiency of 98%. [MJ]
Aliquid fuel has a composition (by volume) C2H6 16% and CH4 84%. It is burned with theoretical amount of air required for stoichiometric mixture. Calculate the molecular weight of the fuel and the fuel air ratio of the mixture. Also determine the composition (weight basis) of the product of combustion (consider that H20 does not condense). Ans:- 18.24 F/A = 0.059 ; CO₂ 15.7%; H₂O = 12% : N₂ =72.3%. ,
Fuel and Combination Problem. Please solve ellaborately and include the Units. Your work will be appreciated much Dear.
Hexane fuel of formula C6H14, was burned in 40% excess air. If the products of combustion are cooled to 19o C at 1.5 bar, thus find:  Equivalent ratio.  Dry exhaust gas analysis.  Mass of condensed water per kg of fuel.
In an engine test the dry volumetric analysis of the products was CO2 0.0527, O2 0.1338 and N2 0.8135. Assume the fuel is a pure hydrocarbon and that it is completely burnt. Write the complete balance chemical equation on volume basis. Estimate: The ratio of carbon to hydrogen in the fuel by mass. The air/fuel ratio by Assume the percentage of nitrogen in air is: 76.7% by mass and 79% by volume (or mole).
There are 30 kg of flue gases formed per kg of fuel oil burned in the combustion of a fuel oil C12 H26. What is the excess air in percent?
Octan fuel (C8H18) is burned with air in a combustion test, and a volumetric analysis reveals the following composition of the products: 11% CO₂ ; 3.6% 0 and 1.5% Co. Compute the actual air-fuel ratio used during the test and the 17.22, 1.15 Per cent theoretical air used. Ans
Q3. A spark-ignition engine is running on a dynamometer test stand and the following measurements of the exhaust products are made: CO₂ = 12.47%, CO = 0.12%, O₂ = 2.3%, C6H14 (equivalent) = 367 ppm, NO = 76 ppm. All concentrations are by volume on a dry basis. The engine is fueled with isooctane. Determine the emission index of the unburned hydrocarbons expressed as equivalent hexane. The molar mass of hexane 86.2 and isooctane is 114.2 kg/kmol. 6.000
C4Hs is burned in an engine with a fuel-rich air-fuel ratio. Dry analysis of the exhaust gives the following volume percents: CO2 = 14.95%, C4H8 0.75%, CO = 0%, H2 = 0%, O2 = 0%, with the rest being N2. Higher heating value of this fuel is QHHV = 46.9 MJ/kg. Write the balanced chemical equation for one mole of this fuel at these conditions. Calculate; a) Air-fuel ratio. b) Equivalence ratio. c) Lower heating value of fuel. [MJ/kg] d) Energy released when one kg of this fuel is burned in the engine with a combustion efficiency of 98%. [MJ]

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Q7-The combustion of methan gas with air leads to the following volumetric ana- lysis during atest: 9.7% CO2, 0.5% CO, and 3.0% 02. Determin the moles tom of air used per mole of fuel in the test, and Compare with the Same ratio for stoichiometric combustion. Answers 10.8, 9.52