Propane is burned with an excess amount of air. The oxygen mole fraction in the products, measured via an oxygen sensor, is yO2 = 0.025. Calculate the fuel/air ratio on a mole basis and the equivalence ratio
Propane is burned with an excess amount of air. The oxygen mole fraction in the products, measure...
Propane (C3H8) is burned with 38 percent excess air. Determine the mole fractions of each of the products. Also, calculate the mass of water in the products per unit mass of the fuel and the air-fuel ratio. Use data from the tables. , the mole fraction of H2O is , the mole fraction of O2 is , and the mole fraction of The mole fraction of CO2 is N2 is The mass of water in the products per unit mass...
2. A mixture of propane and butane is burned with pure oxygen. The combustion products contain 47.4 mole% H2O. After all the water is removed from the products, the residual gas contains 69.4 mole% CO2 and the balance O2. What is the mole percent of propane in the fuel?
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
Propane fuel (C3H8) is burned in a space heater with 65 percent excess air. The fuel and air enter this heater steadily at 1 atm and 17°C, while the combustion products leave at 1 atm and 97°C. Calculate the heat transferred in this heater, in kJ/kmol fuel. Use data from the tables The heat transfer in the heater iskJ/kmol. Propane fuel (C3H8) is burned in a space heater with 65 percent excess air. The fuel and air enter this heater...
S. N- Bu tane Fuel is burned with 200 percent theoretical air during a combustion process Determine the mass fraction of each product .Calculate air- fuel ratio on mole basis and volumetric analysis of the products
2. Natural gas containing a mixture of methane, ethane, propane, and butane is burned in a furnace with excess air. One hundred kmol/h of a gas containing 94.4 mole% methane, 3.40% ethane, 0.60% propane, and 0.50% butane is to be burned with 17% excess air. a) Calculate the molar flow rate of the air. b) Now instead of using numerical values, we will work the problem by deriving an equation. Define the following variables: i.molar flow of the fuel gas:...
n-Dodecane CHa is burned with 40% excess air during a combustion process. Assuming total combustion and a total pressure of 100 kPa, determine: CH Products COMBUSTION CHAMBER 100 kPa Air (40% excess) a) (25%) Write the combustion equation and calculate the air to fuel ratio. AF = kg air kg fuel b) (10%) The partial pressure of the oxygen in the products (assume that all products are ideal gases). Po, kea
Ethane gas (C2H6) is burned with air. The fuel flow rate is 0.1 kg/s and the air flowrate is 2.2 kg/s. Ethane's enthalpy of formation is -84,680 kJ/kmol. Determine: a. The equivalence ratio b. Ethane's lower heating value by deriving it from enthalpy of formation data. c. The heat release rate, in kw d. The mass fraction of oxygen in the products. e. The mass of CO2 emitted per 1000 hours of operation f. The mass of fuel burned per...
a) n-Butane (C4H10) is burned with stoichiometric air. Heat is removed and the products of combustion are collected at 1 atm pressure and 40°C. How much heat is removed per mole of fuel, and what fraction of the water in the products is liquid? b) a) n-Butane (C4H10) is burned with an excess of air. Heat is removed and the products of combustion are collected at 1 atm pressure and 40°C. How much air must be used in order to...
A fuel gas that contains mole% methane and the balance ethane is burned completely with pure oxygen at °C, and the products are cooled to °C. suppose that the combustion takes place in a constant-volume batch reactor. Take mol as a basis of calculation of the fuel gas charged into the reactor and assume any percent excess oxygen, and calculate –Q(kJ) for the cases of liquid water as well as water vapor as products. 40.00 25.00 We were unable to...