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Problem 4. (10') Jet fuel Jet-A is burned at lean condition when equivalence ratio 0-0.5. Find...
3. A rich fuel-air ratio of propane in burned in an internal combustion engine. The analysis...
3. A rich fuel-air ratio of propane in burned in an internal combustion engine. The analysis exhaust gas by the exhaust analyzer shows that CO2 = 17%, C3H8=0.5%, with the rest being N2 and some traces of H20. For this case Calculate: a) Write the balanced chemical equation for propane b) Compute air-fuel ratio and equivalence ratio when the ideal AFR is 14.8 ran
a) explain the reason why heat is released when a hydrocarbon fuel is burned in a...
a) explain the reason why heat is released when a hydrocarbon fuel is burned in a combustion chamber. b) why excess air is necessary to use in an actual combustion? Explain determine the following c) the chemical reaction equation showing all reactants and products. d) the required air to fuel ratio by mass, AFm (kg air/ kg fuel), e) the rate of fuel comsumption if 300 kg of air per minute is supplied to the combustion, (kg fuel/min) f) find...
a) Explain the reason why heat is released when a hydrocarbon fuel is burned in a combustion chamber.
a) Explain the reason why heat is released when a hydrocarbon fuel is burned in a combustion chamber.b) Why excess air is necessary to use in an actual combustion? Explain.c) \(n\) - Dodecane \(\left(C_{12} H_{26}\right)\) in gas form is burned in a combustion chamber with \(150 \%\) excess air.Determine the following:i) the chemical reaction equation showing all reactants and products.ii) the required air to fuel ratio by mass, \(A F_{m}\left(\frac{k g \text { air }}{k g \text { fuel }}\right)\),iii)...
Answer all the questions please Problem 1 (20 pts) (No Partial Credits) i. Butane, CaHio, is burned with air at an air fuel ratio of 20. Determine the percentage of excess ii. Benzene gas, CsHi, i...
Answer all the questions please
Problem 1 (20 pts) (No Partial Credits) i. Butane, CaHio, is burned with air at an air fuel ratio of 20. Determine the percentage of excess ii. Benzene gas, CsHi, is burned with 90% theoretical air. Assuming no hydrocarbons in the products, calculate the air fuel ratio. ill. Determine the dew point temperature of the following reaction that take place where the atmospheric pressure is 100 kPa, iv. Calculate the rs of steam at 120°C...
Problem 5 0/2 points (0%) Diesel fuel (C12H26) at 25 0C is burned in a steady-flow...
Problem 5 0/2 points (0%) Diesel fuel (C12H26) at 25 0C is burned in a steady-flow combustion chamber with 30 % excess air that also enters at 25°C. The products leave the combustion chamber at 380 K. Assuming combustion is complete, Determine the required mass flow rate of the diesel fuel to supply heat at a rate of 1600 kJ/s. X 69.18758 KJs. g/s
Fuel: 0.84C12H26+0.11C7H8+0.05C2H5OH Pressure ratio: rp = 16.7 Equivalence ratio: φ = 0.38 The fuel is a three-fuel blend of: Name Chemical Formula h¯◦f n-dodecane C12H26. −35...
Fuel: 0.84C12H26+0.11C7H8+0.05C2H5OH Pressure ratio: rp = 16.7 Equivalence ratio: φ = 0.38 The fuel is a three-fuel blend of: Name Chemical Formula h¯◦f n-dodecane C12H26. −352,100 kJ/kmol toluene C7H8 12,178 kJ/kmol ethanol C2H5OH −277,507 kJ/kmol For the inlet air conditions, use a temperature of 280 K and a pressure of 100 kPa. a) Calculate the net engine power for an air mass flow rate of 50 kg/s. • Except during combustion, assume that the working fluid is air, but account...
Problem 4 A fuel gas has a composition by volume of: 50% H2 , 6% CO2,...
Problem 4 A fuel gas has a composition by volume of: 50% H2 , 6% CO2, 4% N2 , 40% CO. The dry exhaust gas analysis (% by volume) of the actual combustion process indicates 9.2% CO2, 0% CO, some O2. Recall that for gases, volumetric composition is the same as molar composition. (a) What air/gas ratio (by volume) is required for stoichiometric combustion? (m? air/ m² fuel gas) (b) What air/gas ratio (by volume) has actually been used? (m’...
10 Find approximate solution of the following boundary and initial value (,0) 8 problem by using the implicit FDM2)4 u(5,t)0 for u,1 uai. 1.1 At 0.5 10 Find approximate solution of the follo...
10 Find approximate solution of the following boundary and initial value (,0) 8 problem by using the implicit FDM2)4 u(5,t)0 for u,1 uai. 1.1 At 0.5
10 Find approximate solution of the following boundary and initial value (,0) 8 problem by using the implicit FDM2)4 u(5,t)0 for u,1 uai. 1.1 At 0.5
Problem 4 (15 Points) An oil refining company can purchase crude oil from 2 countries: Kuwait and Canada. One barrel of crude oil yields useable gasoline, jet fuel, and lubricant, in barrels, accordi...
Problem 4 (15 Points) An oil refining company can purchase crude oil from 2 countries: Kuwait and Canada. One barrel of crude oil yields useable gasoline, jet fuel, and lubricant, in barrels, according to the following table (there is a 10% loss due to waste in the refining process): Product Yield (in barrels) Kuwait Canada 0.3 0.4 0.2 0.4 0.2 0.3 Gasoline Jet Fuel Lubricant Kuwait can offer up to 9000 barrels of crude oil at a cost of $20...
f(x) = 3x, 0<x<1 0, otherwise Problem 9: Find the CDF of X, [4] Problem 10:...
f(x) = 3x, 0<x<1 0, otherwise Problem 9: Find the CDF of X, [4] Problem 10: Find P(X < 1/3) [4] Problem 11: Find the 95th percentile of X (Remark: You have to solve for x in the equation P(X < x) = .95) [4] Problem 12: Find P(X > 2/3|X > 1/3) [4] A pipe-smoking Mathematician carries two match boxes, box A in his left hand and box B in right-hand pocket. Initially, each box contains 3 matches. Each...
3. A rich fuel-air ratio of propane in burned in an internal combustion engine. The analysis exhaust gas by the exhaust analyzer shows that CO2 = 17%, C3H8=0.5%, with the rest being N2 and some traces of H20. For this case Calculate: a) Write the balanced chemical equation for propane b) Compute air-fuel ratio and equivalence ratio when the ideal AFR is 14.8 ran
Answer all the questions please
Problem 1 (20 pts) (No Partial Credits) i. Butane, CaHio, is burned with air at an air fuel ratio of 20. Determine the percentage of excess ii. Benzene gas, CsHi, is burned with 90% theoretical air. Assuming no hydrocarbons in the products, calculate the air fuel ratio. ill. Determine the dew point temperature of the following reaction that take place where the atmospheric pressure is 100 kPa, iv. Calculate the rs of steam at 120°C...
Problem 5 0/2 points (0%) Diesel fuel (C12H26) at 25 0C is burned in a steady-flow combustion chamber with 30 % excess air that also enters at 25°C. The products leave the combustion chamber at 380 K. Assuming combustion is complete, Determine the required mass flow rate of the diesel fuel to supply heat at a rate of 1600 kJ/s. X 69.18758 KJs. g/s
Problem 4 A fuel gas has a composition by volume of: 50% H2 , 6% CO2, 4% N2 , 40% CO. The dry exhaust gas analysis (% by volume) of the actual combustion process indicates 9.2% CO2, 0% CO, some O2. Recall that for gases, volumetric composition is the same as molar composition. (a) What air/gas ratio (by volume) is required for stoichiometric combustion? (m? air/ m² fuel gas) (b) What air/gas ratio (by volume) has actually been used? (m’...
10 Find approximate solution of the following boundary and initial value (,0) 8 problem by using the implicit FDM2)4 u(5,t)0 for u,1 uai. 1.1 At 0.5
10 Find approximate solution of the following boundary and initial value (,0) 8 problem by using the implicit FDM2)4 u(5,t)0 for u,1 uai. 1.1 At 0.5
Problem 4 (15 Points) An oil refining company can purchase crude oil from 2 countries: Kuwait and Canada. One barrel of crude oil yields useable gasoline, jet fuel, and lubricant, in barrels, according to the following table (there is a 10% loss due to waste in the refining process): Product Yield (in barrels) Kuwait Canada 0.3 0.4 0.2 0.4 0.2 0.3 Gasoline Jet Fuel Lubricant Kuwait can offer up to 9000 barrels of crude oil at a cost of $20...
f(x) = 3x, 0<x<1 0, otherwise Problem 9: Find the CDF of X, [4] Problem 10: Find P(X < 1/3) [4] Problem 11: Find the 95th percentile of X (Remark: You have to solve for x in the equation P(X < x) = .95) [4] Problem 12: Find P(X > 2/3|X > 1/3) [4] A pipe-smoking Mathematician carries two match boxes, box A in his left hand and box B in right-hand pocket. Initially, each box contains 3 matches. Each...
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