compression pressure

compression pressure

[kəm′presh·ən ‚presh·ər]
(mechanical engineering)
That pressure developed in a reciprocating piston engine at the end of the compression stroke without combustion of fuel.
References in periodicals archive ?
Under a compression pressure of 40 to 90 gigapascals, corresponding to 400 000 to 900 000 times the atmospheric pressure, small amounts of this material were produced in a diamond anvil cell that could also be recovered at ambient pressure.
Influence of breast compression pressure on the performance of population-based mammography screening.
Maria Yzabell Angel Palma, an incoming mechanical engineering freshman student at the De La Salle University (DLSU) in Manila, invented the air-conditioning unit using a disc-shaped compressor based on low compression pressure and high volume of air molecules as refrigerant.
For the most beneficial effects of ECS, however, it is necessary to establish the best compression pressure, since consensual recommendations still refer more to chronic lymphatic and venous diseases [24].
The porosity level of CFRP composite laminates with different lay-ups fabricated through compression molding was found to be related to the compression pressure; low compression pressure would induce more voids.
The corresponding porosity and compression pressure are the range of 0.259-0.296 and 3.1-6.7 MPa, respectively.
Calf compression pressure required to achieve venous closure from supine to standing positions.
The screw supercharger is a typical application of the screw compressor, in which the difference between the exhaust ports (gas pressure within the element volume within the compression pressure) and the external pressure (exhaust pipes of gas pressure) causes the element volume and the exhaust hole to communicate, with instantaneous, constant volume gas expansion or compression.
The volumetric efficiency depends greatly on the compression pressure ratio, polytropic index (n = [c.sub.p]/[c.sub.v]), and clearance volume.
Samples comprising 200 mg of binary mixture powder were manually filled into a die of 8 mm in diameter (Cadmach Machinery Private Ltd., Ahmedabad) at 80 MPa compression pressure and the powders were compressed.
Two minutes of NNS motor activity with each pacifier were collected using the NTrainer System, where automatic measures of NNS compression pressure dynamics were extracted in real time from digitized records of suck.
Otherwise, the compression pressure ratio in the individual stages would change considerably, leading to an increase in the compressed gas temperature.