2. An automobile engine is being operated with pure methyl alcohol using 10% excessair over that necessary for theoretical combustion and securing substantiallycomplete combustion of the fuel. A sample of the exhaust gases is removed fromthe exhaust pipe and carefully analyzed in the Orsat. What analysis would youSuspect to get?3. Assume that in the operation of the engine in the previous problem, the air supply isreduced below in the theoretical value to the point such that 90% of the carbon inthe fuel burns to CO2 and the remaining to CO. Assume also that under theseconditions, the hydrogen in the gaseous combustion products is 40% of the CO inthem, the oxygen being all consumed. Calculate the following:a. The Orsat analysis for the gases from the exhaust pipeb. The pounds of dry air required per pound fuel burntc. The cubic feet of dry air that must be supplied to the engine per pound offuel bumt, on the assumption that the barometer is normal and the airtemperature is 70°F.d. The volume of exhaust gases per pound of fuel burnt, if these leave theengine at 960°F.

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Answered: 2. An automobile engine is being…

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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Hydrogen (H2) with a flow rate of 0.02 kg/s into a continuous flow combustion chamber, standard reference enters the conditions. Complete Combustion is carried out with 10% more air. The air intake conditions are also the standard reference state. In case of complete combustion, combustion The end products leave the combustion chamber at a temperature of 400 K and a pressure of 100 kPa. With ideal gas acceptance, the amount of heat transferred from the combustion chamber to the environment and the combustion Calculate the thermal power (kW) of the room.
4.1 fuel-rich air-fuel the exhaust gives the following 14.957; Cullg = 0.75% 0% H₂ = 0% 0₂ = 0%, with the rest being N₂. Write the balance chemical equation for one mole of this fuel at these conditions. CO = 1 Calculate : CHHS is burned in an engine with a ratio. Dry analysis of volume percents CO₂ : a- Air-fuel ratio. b. Equivalence ratio.
- Q₂) Find the stoichiometric air-fuel ratic for the combustion of C8H18 in petrol engine. Calculate the air fuel ratios for the extreme mixture strengths 75% and 130% > Determine the wet analysis by volume of the exhaust gas for each mixture strength. (Hint: mixture strength= stoichiometric (A/F) ratio/Actual (A/F) ratio).
Methane fuel is burned with air in a boiler system (open system). For this system, the HFK value for the air supplied to the combustion environment is 1.4. If the temperature and pressure of the air and fuel entering the combustion environment is 25 ° C and 1atm, we calculate the flue gas temperature value of the boiler, assuming that the boiler's thermal efficiency is 60%. All reacting species and reaction products are perfect gases. There is no water condensation in the products. METANAID = 50000 kJ / kg HFK = Air excess coefficient All reacting species and reaction products are excellent gas. Products "no water condensation.
Pls. answer thank you! A fuel oil C12H26 is used in an internal combustion engine and the Orsat analysis are as follows: CO2 = 12.896: O2 = 3.5%; CO = 0.2% and N2 = 83.5%. Determine the percent excess air.
B) Write the actual combustion equation for the following cases: a. CH3OH with air at p = 1.0; b. C₂H6 with 20% excess of air; C. C4H10 with 30% less of air.
An ordinary octane gasoline (C8H18) is to burn inside an internal combustionengine cylinder with 50 % excess air. a) Show the actual combustion equation. b)Determine the actual air fuel ratio. c) Determine the mass of wet products of combustionper kg and the mass of dry products of combustion per kg fuel
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
1. There are 20 kg of flue gases formed per kg of fuel oil burned in the combustion of a fuel oil C12H26- What is the excess air in percent? 2. A gaseous fuel mixture has a molal analysis: H₂ = 14% CH4 = 3% CO = 27% 0₂ = 0.6% CO₂=4.5% N₂ = 50.9% Determine the theoretical air-fuel ratio for complete combustion on molal basis. 3. The following is an analysis of coal in percent: C = 74% 0₂ = 8% S = 1% H₂ = 6% N₂ = 1.6% Ash = 9.4% If burned in a boiler, the coal produces the following Orsat analysis in percent: CO₂ = 12% CO = 0.1% 0₂= 6.5% 4. A fuel oil is burned with 50% excess air. What is the volume rate of flow in m³/min of the wet products at a pressure of 102 kPa and a temperature of 350°C when the fuel is burned at the rate of 45 kg/min? Assume that the combustion requirements of the fuel oil are similar to those of C12H26. 5. A test run using this coal showed a dry products of combustion analysis by volume of nitrogen equals 82.5%, molecular weight of 30 kg flue gas per mol dry…
INTERNAL COMBUSTION. Indicate the source of the Tables of Properties used in your calculation, Assume Ahi = 29,711kJ/kmol for propane gas.
16. By how much is the change of volume of the products of combustion of benzene (CaHe) with theoretical air? Both volumes of reactants and products are taken at the same pressure and temperature. B. 1.3% decrease A. 1.3% increase C. no change D. 9.2% Increase aneanmhundinn al kn ntintane ICH. with theerntinal air
Calculate the exhaust gas composition of a butane-fuelled spark-ignition engine operating with equivalence ratio of 0.9. Assume the fuel is fully burned within the cylinder. Butane is C4H10.

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