⑤TheThe combustion of methan gas with air leads to the following volumetric analysisduring a test: 9.7% co₂ 0.5% co; and 3% 02.Determin the moles of air usedPer mole of fuel in the test, and compare with the Same ratio for stoichiometricCombustion.

The balanced reaction for stoichiometric combustion of methane is:CH4+2O2→CO2+2H2O For complete…

Answered: ⑤The The combustion of methan gas with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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]
9. An exhaust gas is analysed and is found to contain, by volume, 78% N,, 12% CO, and 10% O,9. What is the corresponding gravimetric analysis ? Calculate the mass of mixture per mole, and the density if the temperature is 550°C and the total pressure is 1 bar. [Ans. 72% N,, 17.3% CO,, 10.6% O, ; 30.28 kg/mole ; 0.442 kg/m³]
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
6.1. Calculate the higher and lower heating values of octane, C3H18, by using the stoichiometric reaction in air at 298.16 K and 1 atm. + 25/2(O2(g) + 3.76N2) → 8CO2(e) + 9H2O + 25/2(3.76)N2. C3H18(g)
An analysis of the dry exhaust gas from an engine burning Benzole shows 15% Carbon Dioxide present by volume. The Benzole contains 90% C and 10% H₂ by mass. Assuming complete combustion, determine the air/fuel ratio used.
A producer gas has the following volumetric analysis : 29% CO, 12% H2, 3% CH4, 4% CO2, 52% N2.Calculate the values of Cp, Cv, cp and cv for the mixture. The values of Cp for the constituents are asfollows : for CO Cp = 29.27 kJ/mole K ; for H2 Cp = 28.89 kJ/mole K ; for CH4 Cp = 35.8 kJ/mole K ; for CO2Cp = 37.22 kJ/mole K ; for N2 Cp = 29.14 kJ/mole K.
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
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).
Fuel and Combination Problem. Please solve ellaborately and include the Units. Your work will be appreciated much Dear.
use JANAF tables from internet
4. Pentane (C;H12) is reacted with air in an equivalence ratio (1.333). Determine the percentage analysis of the products of combustion.
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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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.