Q3/An automobile have a three-liter SI V6 engine that operates on a four-stroke. The compression ratio is 10.5, the length of connecting rod is 16cm, and the engine is square. At this speed, combustion ends at 20° a TDC. The connected to a dynamometer which gives a brake output torque reading of 200 N.m at 3600 r.p.m. at this speed air enters the cylinder at 85 kpa and 60°C and the mechanical efficiency of the engine is 85%. Calculate: 1- Clearance volume of one cylinder. 2- Piston speed at the end of combustion. 3- Volume in the combustion chamber at the end of combustion. 4- Friction mean effective pressure. 5- Brake output per displacement.

Q3/An automobile have a three-liter SI V6 engine that operates on a four-stroke. The compression ratio is 10.5, the length of connecting rod is 16cm, and the engine is square. At this speed, combustion ends at 20° a TDC. The connected to a dynamometer which gives a brake output torque reading of 200 N.m at 3600 r.p.m. at this speed air enters the cylinder at 85 kpa and 60°C and the mechanical efficiency of the engine is 85%. Calculate: 1- Clearance volume of one cylinder. 2- Piston speed at the end of combustion. 3- Volume in the combustion chamber at the end of combustion. 4- Friction mean effective pressure. 5- Brake output per displacement.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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