exhaust back pressure


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exhaust back pressure

The pressure produced in the exhaust system of a reciprocating engine as a result of the length and the diameter of the exhaust pipe. The pressure opposes the flow of exhaust gases as they are forced out of the cylinders when the exhaust valve is open.
References in periodicals archive ?
7-liter Power Stroke[R] V-8 turbocharged diesel engine's integrated exhaust brake increases engine exhaust back pressure when needed to help slow the vehicle and trailer while in tow/haul mode.
Case added, "With mechanical systems, exhaust back pressure or crankshaft power take off reduces the benefit of the air compressor.
All this was to be accomplished without increasing exhaust back pressure or reducing fuel economy.