Given a four stroke, four-cylinder engine. Bore = 2.95, Stroke = 3.1, compression ratio = 9.1....
Given a four stroke, four-cylinder engine. Bore = 2.95, Stroke = 3.1, compression ratio = 9.1.
RPM =3500, fuel consumption rate = 2 Gallons/hour, heating value = 114,000 Btu/gallon
Assuming ambient conditions of T = 537 R and P = 14.7 psia.
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Find: (a) the total volume V(BDC) for all cylinders (b) mass of air, and (c) specific heat input (q) in Btu/lbm
Homework Answers
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Given a four stroke, four-cylinder engine. Bore =
2.95, Stroke = 3.1, compression ratio
= 9.1....
Air at 14.7 psia, 40 oF enters an ideal four-stroke Diesel cycle with a compression ratio...
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A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power b) The brake mean effective pressure c) Friction losses...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cmº. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (b) The brake mean effective pressure, (c) Friction losses (d)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm². At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (2 mark) (b) The brake mean effective pressure, (1 mark)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
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Problem 6. Compute the brake mean effective pressure of a four-cylinder, two-stroke engine, 100 mm bore 125 mm stroke when it develops a torque of 490 Nm. Problem = 7. Find the brake thermal efficiency of an engine which consumes 7 kg of fuel in 20 minutes and develops a brake power of 65kW. The fuel has heating value of 42000 kJ/kg. Problem # 8. Find the mean piston speed of a diesel engine running at 1500 rpm. The engine...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cmº. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (b) The brake mean effective pressure, (c) Friction losses (d)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm². At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: (a) Brake power (2 mark) (b) The brake mean effective pressure, (1 mark)...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (V min) of the engine is 420 cm? At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a) Brake power (2 mark) b) The brake mean effective pressure, (1...
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