Gasoline having a chemical formula CaH17 is burned in an engine at a fuel-air equivalence ratio o =1.19 and a temperature of 1000K. a) Write the stoichiometric combustion equation of the fuel; b) Write the reaction equation corresponding to the given fuel-air equivalence ratio.
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- A) A natural gas-fired industrial boiler operates with an oxygen concentration of 3 mole percent. Determine the operating air-fuel ratio and the equivalence ratio. Treat the natural gas as butane B) Write the equation of pentane-air combustion and determine the stoichiometric air-fuel ratio4.1 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.A fuel can be created by blending two single component fuels. For example, consider a mix of 15% (by volume) of octane (C3H18) and 85% (by volume) of ethanol (C2H6O). Find the stiochiometric fuel-to-air ratio, F/Ast, for this fuel mixture. a) For an equivalence ratio of 0.9, find the actual combustion reaction. Express the b) reaction in terms of 1 kmol of fuel (total). c) Find the flow rate (g/s) of water from the products for a flow rate of 2 g/s of this blended fuel into a combustor.
- This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Ethane (C2H6) is burned with 20 percent excess air during a combustion process. Assume complete combustion and a total pressure of 180 kPa. Use data from the tables. CH. Combustion CO, H,0 02, N, chamber Air X kPa 20% excess where X= 180 Determine the air-fuel ratio. (You must provide an answer before moving on to the next part.) The air-fuel ratio is kg air/kg fuel.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 fuel15.)Find the mole fraction in percent of H,0 at the products of combustion in real combustion of 1 mole of octane (CHu) if the amount of excess air is 30%? Please Answer problem number 15. But if you can solve number 16, it will be appreciated much and rated high. Thanks!
- 1. Find the air fuel ratio for stoichiometric combustion of Ethene by volume. (26.19/1) 2. Find the air fuel ratio for stoichiometric combustion of Butane by volume. (30.95/1). Calculate the % carbon dioxide present in the dry flue gas if 30% excess air is used. (10.6%) 3. Find the air fuel ratio for stoichiometric combustion of Propane by volume. (23.81/1). Calculate the % oxygen present in the dry flue gas if 20% excess air is used. (3.8%) 4. A gaseous fuel contains by volume: 5% CO2, 40% H2, 40% CH4, 15% N2 Determine the stoichiometric air and the % content of each dry product. (4.76 m2, 89.7%, N2 10.3% CO2)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.1. A bituminous coal has the following composition as follows: C=71.5%, O=6%, S-4.6% W=3.4% H=5% N=1.3% Ash=3.2% Compute the amount of nitrogen produced during combustion process in lb/lb-coal. Also, determine the stoichiometric amount of air present in the combustion.
- Problem 4) LHV and HHV of Fuels Consider the following list of some fuels with their LHV and HHV. a) Provide a plot of the LHV as a function of the molecular mass of the fuel. Group the fuels in categories and discuss any correlation between the heating values and the molecular mass. b) Provide a plot of the percentage increase of the HHV relative to the LHV as a function of the molecular mass of the fuel. Discuss any correlation or generalization. Fuel LHV and HHV LHV Methane (CH4) Propane (C3H8) Isooctane (C8H18) Cetane (C16H34) Methanol (CH40) Ethanol (C2H60) Carbon Monoxide (CO) (MJ/kg) 50.0 46.4 44.2 44.0 20.0 26.9 10.1 HHV (MJ/kg) 55.5 50.4 47.8 47.3 22.7 29.7 10.1Part 1:Design a three-component gasoline blend. Specify the boiling temperature of your blend.Additionally, determine the Research Octane Number (RON), Motor Octane Number (MON), andAnti-Knock Index (AKI) for this blend. Lastly, evaluate whether this fuel is sensitive to combustionchamber geometry.Part 2:Hydrogen is utilized as a fuel in an experimental engine and is combusted with stoichiometricoxygen. Assume the reactants initiate at a temperature of 25°C. Write the balanced chemicalreaction equation for this combustion.Perform the following calculations:(a) Determine the fuel-air (fuel-oxygen) ratio.(b) Calculate the equivalence ratio for the combustion process.Acetylene (C2H2) is burned with the stoichiometric amount of air during a combustion process. Assume complete combustion. Part A Determine the air-fuel ratio on a mass basis. Part B Determine the air-fuel ratio on a mole basis. Part C What-if scenario: What would the air to fuel ratio on a mass basis be if propene (C3H6) was burned instead of acetylene?