Methane is burned with 30% excess air in an adiabatic reactor. The reactants enter at 298 K. Dete...
Methane is burned with 30% excess air in an adiabatic reactor. The reactants enter at 298 K. Determine the temperature of the products. Assume variable specific heats (i.e., use the gas property table and/or the book tables).
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Methane is burned with 30% excess air in an adiabatic reactor. The reactants enter at 298 K. Dete...
What is the adiabatic flame temperature of methane (CH4) when it is burned with 30 percent excess...
What is the adiabatic flame temperature of methane (CH4) when it is burned with 30 percent excess air? Use data from the tables. The adiabatic flame temperature of methane is ____°C.
Methane gas is burned with 30 percent excess air. This fuel enters a steady-flow combustor at 0.9 atm and 25'C...
Methane gas is burned with 30 percent excess air. This fuel enters a steady-flow combustor at 0.9 atm and 25'C and is mixed with the air. The products of combustion leave this reactor at 0.9 atm and 1600 K. Determine the equilibrium composition of the products of combustion and the amount of heat released by this combustion in kJ/kmol methane. Use data from the tables. CH4 Combustion 25℃ CO, HO 1600 K 30%acess 25 C The amount of carbon dioxide...
For calculating an "adiabatic flame temperature" it is customary to assume that the reactants (input) are...
For
calculating an "adiabatic flame temperature" it is customary to
assume that the reactants (input) are at the reference temperature
(298 K or 537 oR).
Psi is equal to 3
Your assigned value of wis (You will lose 1 pt if this is blank). Methane (CH) is burned with (110 +0.3 )% of theoretical air. (Hence, if y = 3 the methane is burned with 110.9% theoretical air). The mixture enters the combustion chamber at 25°C. A) Find the Air/Fuel...
HENG 211 Q2: Purecos mixed with 100% excess air and completely urned tconstant pressure. The reactants...
HENG 211 Q2: Purecos mixed with 100% excess air and completely urned tconstant pressure. The reactants are originally at 400 K. Determine the heat added or removed if the products leave at 600 K The standard heat of reaction at 298 K is 283.028 k/mol CO burned. The mean specific heats applicable in the temperature range of this problem are 29.10, 29.70, 29.10, and 41.45]/mol. K, respectively for co, 02, Nz, CO2, respectively. I 2/51
Question 6 Air at the inlet of an ideal (reversible-adiabatic) compressor is at 100 kPa and...
Question 6 Air at the inlet of an ideal (reversible-adiabatic) compressor is at 100 kPa and 2685o. The compressor exit pressure is at 620.4 kPa. Determine the compressor power (kw Calculate the power based on variable specific heats (i.e.,use the ideal gas table for air). Selected Answer Incorrect [None Given] Rgl_e 尻(T) W, m(m-h.) Correct Answer: Correct -47.41% Question 7 Nitrogen gas expands in an adiabatic nozzle from 800 kPa 600x, to a final pressure of 98.26 kPa. Calculate the...
fuel mixture containing methane and butane is burned with excess air in a fumace and the...
fuel mixture containing methane and butane is burned with excess air in a fumace and the flue gas consists of 90 mOles of carbon dioxide, 10 moles of carbon monoxide, 150 moles of water and 15 moles of oxygen. Determine the ratio of the two fuels and excess air percent. 30 points
Air is compressed by an adiabatic compressor from P2=100 kPa to P2=500 kPa. T2=380 K and...
Air is compressed by an adiabatic compressor from P2=100 kPa to P2=500 kPa. T2=380 K and T2=650 K. Air is an ideal gas with variable specific heats. Determine a) The exit temperature of the air for the isentropic case. Each of the above temperatures and pressures are given as actual. b) The efficiency of the compressor.
Q4 Methane gas (CH) burns with 40%excess air, and products leave at 700 K.Assuming the fuel...
Q4 Methane gas (CH) burns with 40%excess air, and products leave at 700 K.Assuming the fuel and air enter the combustion chamber at 250 C and atmospheric pressure, determine (a) Air fuel ratio (b) the dew point of the products and (c) the heat transfer from the combustion process for 1 kmole of CH4 Substance hr, 700 K kJ/kmol he, 298 K kJ/kmol kJ/kmol CH4 02 N2 CO2 H2O -74,850 8.682 8,669 -393,520 9,364 -241,820 9,904 21,184 20,604 27,125 24,088...
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to...
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to form products in a large room. It is wise to read Example 5.2 before doing the next set of problems. $15. The thermal diffusivity, a, is a thermodynamic property because it is a function of other thermodynamic properties. Determine a for air at 1300 K. Note that the temperatures in Appendix B are in K. Example 5.2 Estimate the laminar flame speed of a...
Combustion gases enter an adiabatic gas turbine at 1540 F degrees and 120 psia and leave...
Combustion gases enter an adiabatic gas turbine at 1540 F degrees and 120 psia and leave at 60 psia with a low velocity. Treating the combustion gases as air and assumming an isentropic efficiency of 82 percent, determine the work output of the turbine. Assume that combustion gases can be treated as an ideal gas with variable specific heats.
Methane gas is burned with 30 percent excess air. This fuel enters a steady-flow combustor at 0.9 atm and 25'C and is mixed with the air. The products of combustion leave this reactor at 0.9 atm and 1600 K. Determine the equilibrium composition of the products of combustion and the amount of heat released by this combustion in kJ/kmol methane. Use data from the tables. CH4 Combustion 25℃ CO, HO 1600 K 30%acess 25 C The amount of carbon dioxide...
For
calculating an "adiabatic flame temperature" it is customary to
assume that the reactants (input) are at the reference temperature
(298 K or 537 oR).
Psi is equal to 3
Your assigned value of wis (You will lose 1 pt if this is blank). Methane (CH) is burned with (110 +0.3 )% of theoretical air. (Hence, if y = 3 the methane is burned with 110.9% theoretical air). The mixture enters the combustion chamber at 25°C. A) Find the Air/Fuel...
HENG 211 Q2: Purecos mixed with 100% excess air and completely urned tconstant pressure. The reactants are originally at 400 K. Determine the heat added or removed if the products leave at 600 K The standard heat of reaction at 298 K is 283.028 k/mol CO burned. The mean specific heats applicable in the temperature range of this problem are 29.10, 29.70, 29.10, and 41.45]/mol. K, respectively for co, 02, Nz, CO2, respectively. I 2/51
Question 6 Air at the inlet of an ideal (reversible-adiabatic) compressor is at 100 kPa and 2685o. The compressor exit pressure is at 620.4 kPa. Determine the compressor power (kw Calculate the power based on variable specific heats (i.e.,use the ideal gas table for air). Selected Answer Incorrect [None Given] Rgl_e 尻(T) W, m(m-h.) Correct Answer: Correct -47.41% Question 7 Nitrogen gas expands in an adiabatic nozzle from 800 kPa 600x, to a final pressure of 98.26 kPa. Calculate the...
fuel mixture containing methane and butane is burned with excess air in a fumace and the flue gas consists of 90 mOles of carbon dioxide, 10 moles of carbon monoxide, 150 moles of water and 15 moles of oxygen. Determine the ratio of the two fuels and excess air percent. 30 points
Air is compressed by an adiabatic compressor from P2=100 kPa to P2=500 kPa. T2=380 K and T2=650 K. Air is an ideal gas with variable specific heats. Determine a) The exit temperature of the air for the isentropic case. Each of the above temperatures and pressures are given as actual. b) The efficiency of the compressor.
Q4 Methane gas (CH) burns with 40%excess air, and products leave at 700 K.Assuming the fuel and air enter the combustion chamber at 250 C and atmospheric pressure, determine (a) Air fuel ratio (b) the dew point of the products and (c) the heat transfer from the combustion process for 1 kmole of CH4 Substance hr, 700 K kJ/kmol he, 298 K kJ/kmol kJ/kmol CH4 02 N2 CO2 H2O -74,850 8.682 8,669 -393,520 9,364 -241,820 9,904 21,184 20,604 27,125 24,088...
A stoichiometric mixture of methane air, initially at 298 K and 1 atm pressure, combust to form products in a large room. It is wise to read Example 5.2 before doing the next set of problems. $15. The thermal diffusivity, a, is a thermodynamic property because it is a function of other thermodynamic properties. Determine a for air at 1300 K. Note that the temperatures in Appendix B are in K. Example 5.2 Estimate the laminar flame speed of a...
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