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 ?
In addition to providing for space optimization and adaptability to a wide variety of truck applications, the distinctive and proprietary Detroit Diesel BlueTec one-box option uses a unique design that reduces the exhaust gas flow restriction, resulting in less exhaust back pressure and therefore improved fuel economy.
The dual exhaust system has been revised with equal-length manifolds and 25% lower exhaust back pressure.
The system provides continuous monitoring functions that include system stares indicator lights on its control panel and an integrated exhaust back pressure monitor.