back pressure


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back pressure

n
1. (Mechanical Engineering) engineering
a. the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
b. the exhaust pressure in external combustion engines
2. (Pathology) med the local pressure that builds up when fluid flow is obstructed in the cardiovascular or urinary systems
References in periodicals archive ?
Schaeffler's piston back pressure compensation is a compelling example of innovation in response to increasing demands for fuel economy.
This is a normal back pressure release mechanism, which happens when pressure builds up in the furnace," he told the GDN.
Backpressure: Appropriate back pressure is critical for obtaining melt uniformity and color blending.
When the back pressure on the screw was increased from 0.
A modified engine management and turbocharger system, sports exhaust with reduced back pressure - and the ability to run on 98-octane fuel - have all contributed to the rise in power.
The BelGAS division of Marsh Bellofram has introduced the Type P289, described as a high-performance industry back pressure regulator, also functioning as a high-flow relief valve with an adjustable set point.
The orbital, flow-regulated coring controls with back pressure and down pressure gauges make coring easy and accurate.
Some specific paper topics include mechanisms for microsuperplasticity, superplasticity in ultrahigh carbon steel, superplastic behaviors of casting AZ31 magnesium alloy, finite element modeling of superplastic forming in the presence of back pressure, and superplastic deforming analysis based on element free Galerkin methods.
The dual exhaust system has been revised with equal-length manifolds and 25% lower exhaust back pressure.
Headington said the system also takes into account the effect of changing pouring rates by self-tuning back pressure when the g/sec, setpoint is changed.
This enables users and manufacturers to design low back pressure accumulation lines in the most space saving and economical way.
In an IMM, the disturbances include sudden changes in shear energy during injection, screw speed, and back pressure.