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From a combustion process that used ethane (C2He) as a fuel, the ORSAT analysis of the...
A natural gas fuel consists of the following volumetric composition: Methane, CH4: 92.5 % Ethane, C2H6:...
A natural gas fuel consists of the following volumetric composition: Methane, CH4: 92.5 % Ethane, C2H6: 3.7 % Propane, C3H8: 0.8 % Nitrogen, N2: 3 % (a) Write out the complete combustion equations for all the combustible constituents individually. (b) Calculate the stoichiometric air to fuel (A/F) ratio on a volume basis. (c) Determine the wet volumetric analysis of the combustion products. (d) Find the dry volumetric analysis of the combustion products.
Question 4: One kmol of ethane (C2H6) is bull with an unknown amount of air during...
Question 4: One kmol of ethane (C2H6) is bull with an unknown amount of air during a combustion process. An analysis of the combustion products reveals that the combustion is complete and there are 3 kmol of free 02 in the products. Determine (a) the air-fuel ratio, and (b) the percentage of theoretical air used during this process. Assume the composition of air in molar percentage as 21% oxygen and 79% nitrogen as general. Please Note: Molecular weight of Hydrogen...
Question 4:One kmol of ethane (C2H6) is burned with an unknown amount of air during a...
Question 4:One kmol of ethane (C2H6) is burned with an unknown amount of air during a combustion process. An analysis of the combustion products reveals that the combustion is complete and there are 3 kmol of free O2 in the products. Determine (a) the air-fuel ratio, and (b) the percentage of theoretical air used during this process. Assume the composition of air in molar percentage as 21% oxygen and 798 nitrogen as general. Please Note: Molecular weight of Hydrogen for...
A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C4H8) by...
A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C4H8) by volume. It is to be fed to the combustion chamber in 10% excess air at 25ºC, where it is completely burnt to carbon dioxide and water. The flue gases produced are to be used to generate 5 bar steam from water at 90ºC. net calorific value (MJm-3) at 25oC Butane (C4H10) = 111.7MJm-3, Butene (C4H8) = 105.2 MJm-3. Propane (C3H8) = 85.8 MJm-3. air...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene,...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene, and the balance water. Composition Calculate the molar composition of this gas on both a wet and a dry basis and the ratio (mol H20/mol dry gas). Component Mole % (Wet basis) Mole % (Dry basis) Methane 81.5 90.22 Ethane 5.74 6.35 Ethylene 3.09 3.42 Water 9.66 mol H20/mol dry gas: Click if you would like to Show Work for this question: Open Show...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene,...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene, and the balance water. Composition Calculate the molar composition of this gas on both a wet and a dry basis and the ratio (mol H20/mol dry gas). Component Mole % (Wet basis) Mole % (Dry basis) Methane 81.5 90.22 Ethane 5.74 6.35 Ethylene 3.09 3.42 Water 9.66 mol H20/mol dry gas: Click if you would like to Show Work for this question: Open Show...
4. a. (18 points) Ethane (CH) is burned with dry air, giving the products having a...
4. a. (18 points) Ethane (CH) is burned with dry air, giving the products having a molar analysis on a dry basis: CO2, 7.8%; CO, 0.2%, 02, 7%; N2, 85% (actual combustion). Determine: (3 points each) (a) the stoichiometric air-fuel ratio. (b) the actual air fuel ratio on molar and mass bases based on the given products of combustion. (c) the gravimetric wet analysis (mass fractions) of the products of the actual combustion. (d) the gas constant of the products...
The product gas from a liquid fuel (C_6 H_x) combustion reaction has the following dry-basis molar...
The product gas from a liquid fuel (C_6 H_x) combustion reaction has the following dry-basis molar composition: 12.97% CO_2, 1.44% CO, 4.32% O_2, and 81.27% N_2. Assume no solid or liquid products! Liquid fuel disappears completely. calculate the Ratio of carbon and hydrogen. What is x?? (C_6 H_x) what is %(percent Excess Air)?????? and Excess air?? Please explain in detail.
only question e, f, i, j, k You will need graph paper, a calculator, a copy...
only question e, f, i, j, k
You will need graph paper, a calculator, a copy of Appendix I from lesson HTC- 4 2 and access to steam tables to answer this TMA l. A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C,H,) by volume. It is to be fed to the combustion chamber in 10% excess air at 25°C, where it is completely burnt to carbon dioxide and water. The flue gases ane...
Perform stoichiometric combustion calculations for Appalachian low-Sulphur and Wyoming PRB coals from the Coals.xls spreadsheet. For...
Perform stoichiometric combustion calculations for Appalachian low-Sulphur and Wyoming PRB coals from the Coals.xls spreadsheet. For the excess air coefficient E = 20% for the Appalachian coal, and E=15% for the Wyoming PRB coal, use the mole method to determine: -Composition of flue gas on wet volumetric basis. - Air-to-fuel ratio (A/F) 1. Perform calculations assuming complete combustion (no UC and CO), and wet air containing having 50% relative humidity (RH) at 77°F and ambient pressure. Tabulate and comment the...
Question 4: One kmol of ethane (C2H6) is bull with an unknown amount of air during a combustion process. An analysis of the combustion products reveals that the combustion is complete and there are 3 kmol of free 02 in the products. Determine (a) the air-fuel ratio, and (b) the percentage of theoretical air used during this process. Assume the composition of air in molar percentage as 21% oxygen and 79% nitrogen as general. Please Note: Molecular weight of Hydrogen...
Question 4:One kmol of ethane (C2H6) is burned with an unknown amount of air during a combustion process. An analysis of the combustion products reveals that the combustion is complete and there are 3 kmol of free O2 in the products. Determine (a) the air-fuel ratio, and (b) the percentage of theoretical air used during this process. Assume the composition of air in molar percentage as 21% oxygen and 798 nitrogen as general. Please Note: Molecular weight of Hydrogen for...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene, and the balance water. Composition Calculate the molar composition of this gas on both a wet and a dry basis and the ratio (mol H20/mol dry gas). Component Mole % (Wet basis) Mole % (Dry basis) Methane 81.5 90.22 Ethane 5.74 6.35 Ethylene 3.09 3.42 Water 9.66 mol H20/mol dry gas: Click if you would like to Show Work for this question: Open Show...
Problem 4.84 Combustion Mixture A gas contains 75.0 wt% methane, 10.00 wt% ethane, 5.00 wt% ethylene, and the balance water. Composition Calculate the molar composition of this gas on both a wet and a dry basis and the ratio (mol H20/mol dry gas). Component Mole % (Wet basis) Mole % (Dry basis) Methane 81.5 90.22 Ethane 5.74 6.35 Ethylene 3.09 3.42 Water 9.66 mol H20/mol dry gas: Click if you would like to Show Work for this question: Open Show...
4. a. (18 points) Ethane (CH) is burned with dry air, giving the products having a molar analysis on a dry basis: CO2, 7.8%; CO, 0.2%, 02, 7%; N2, 85% (actual combustion). Determine: (3 points each) (a) the stoichiometric air-fuel ratio. (b) the actual air fuel ratio on molar and mass bases based on the given products of combustion. (c) the gravimetric wet analysis (mass fractions) of the products of the actual combustion. (d) the gas constant of the products...
only question e, f, i, j, k
You will need graph paper, a calculator, a copy of Appendix I from lesson HTC- 4 2 and access to steam tables to answer this TMA l. A fuel gas consists of 75% butane (C4H10), 10% propane (C3H8) and 15% butene (C,H,) by volume. It is to be fed to the combustion chamber in 10% excess air at 25°C, where it is completely burnt to carbon dioxide and water. The flue gases ane...
Perform stoichiometric combustion calculations for Appalachian low-Sulphur and Wyoming PRB coals from the Coals.xls spreadsheet. For the excess air coefficient E = 20% for the Appalachian coal, and E=15% for the Wyoming PRB coal, use the mole method to determine: -Composition of flue gas on wet volumetric basis. - Air-to-fuel ratio (A/F) 1. Perform calculations assuming complete combustion (no UC and CO), and wet air containing having 50% relative humidity (RH) at 77°F and ambient pressure. Tabulate and comment the...
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