Q3/A combustion chamber consists of tubular combustors of 15-cm diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s. Fuel with a heating value of 42,000 kJ/kg is injected into the air and is burned with an air-fuel mass ratio of 40. Approximating combustion as a heat transfer process to air, determine the temperature, pressure, velocity, and Mach number at the exit of the combustion chamber.

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Chapter6: Forced Convection Over Exterior Surfaces
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Problem 6.16P
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Q3/A combustion chamber consists of tubular combustors of 15-cm
diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s.
Fuel with a heating value of 42,000 kJ/kg is injected into the air and is
burned with an air-fuel mass ratio of 40. Approximating combustion as a
heat transfer process to air, determine the temperature, pressure, velocity,
and Mach number at the exit of the combustion chamber.
Transcribed Image Text:Q3/A combustion chamber consists of tubular combustors of 15-cm diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s. Fuel with a heating value of 42,000 kJ/kg is injected into the air and is burned with an air-fuel mass ratio of 40. Approximating combustion as a heat transfer process to air, determine the temperature, pressure, velocity, and Mach number at the exit of the combustion chamber.
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