Question

Q-3 $C_4H_{10}$ at 25 $^\circ$C and 100 kPa is burned with %100 excess (200% theoretical ) air in the burning chamber. Air enters at 25 $^\circ$C, 100 kPa and the combustion is complete. During the steady state steady flow operation, products leave the chamber at a temperature of 800 K and there is no pressure drop during combustion. a) Write the equation of combustion b) Find the air-fuel ratio on a molar and mass basis. c) Calculate the heat transfer rate from the chamber to the surroundings if mass flow rate of fuel is 0.5 kg/s. d) Determine the rate of entropy production. $C_4H_{10}$ 25 $^\circ$C, Burning Products 800 K, 100kPa Air 25 $^\circ$C, chamber 100kPa

          Q-3 $C_4H_{10}$ at 25 $^\circ$C and 100 kPa is burned with %100 excess (200% theoretical
) air in the burning chamber. Air enters at 25 $^\circ$C, 100 kPa and the combustion is
complete. During the steady state steady flow operation, products leave the
chamber at a temperature of 800 K and there is no pressure drop during
combustion.
a) Write the equation of combustion
b) Find the air-fuel ratio on a molar and mass basis.
c) Calculate the heat transfer rate from the chamber to the surroundings if
mass flow rate of fuel is 0.5 kg/s.
d) Determine the rate of entropy production.
$C_4H_{10}$
25 $^\circ$C,
Burning
Products 800 K,
100kPa
Air 25 $^\circ$C,
chamber
100kPa

Q-3 C4H10 at 25 ^∘C and 100 kPa is burned with %100 excess (200% theoretical
) air in the burning chamber. Air enters at 25 ^∘C, 100 kPa and the combustion is
complete. During the steady state steady flow operation, products leave the
chamber at a temperature of 800 K and there is no pressure drop during
combustion.
a) Write the equation of combustion
b) Find the air-fuel ratio on a molar and mass basis.
c) Calculate the heat transfer rate from the chamber to the surroundings if
mass flow rate of fuel is 0.5 kg/s.
d) Determine the rate of entropy production.
C4H10
25 ^∘C,
Burning
Products 800 K,
100kPa
Air 25 ^∘C,
chamber
100kPa

Added by Douglas F.

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