exhaust back pressure

Also found in: Acronyms.

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.

Detroit Diesel Previews its BlueTec[R] SCR Technology at TMC

That increases exhaust back pressure and that reduces the volumetric efficiency of each engine cylinder.

Intercoolers: turbo enhancement: properly designed, intercoolers allow a turbocharged engine to develop more power at higher altitude and improve detonation margins and engine longevity

The dual exhaust system has been revised with equal-length manifolds and 25% lower exhaust back pressure.

After the turnaround: the launch of the 2007 Infiniti G35 Sedan, Nissan Altima and Sentra mark the start of Nissan's defense of its recent gains

The system provides continuous monitoring functions that include system stares indicator lights on its control panel and an integrated exhaust back pressure monitor.