absolute pressure


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Related to absolute pressure: vacuum pressure

absolute pressure

[′ab·sə‚lüt ′presh·ər]
(physics)
The pressure above the absolute zero value of pressure that theoretically obtains in empty space or at the absolute zero of temperature, as distinguished from gage pressure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

gauge pressure

The pressure, of a gas or liquid, minus the value of atmospheric pressure.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

absolute pressure

The pressure measured relative to zero pressure, or a total vacuum, as opposed to gauge pressure, which is pressure measured relative to ambient pressure. A manifold absolute pressure (MAP) gauge measures absolute pressure in a reciprocating engine.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
(a) The normalized squared absolute pressure distribution of the reflected waves.
In addition, the ultimate temperatures of inner wood increased as absolute pressure increased at certain temperatures.
Through the integration of CMOS circuits and MEMS sensors, Omron has been able to create an absolute pressure sensor measuring only 3.8mmx3.8mmx0.92mm, making it suitable for installation in small mobile devices and other compact hardware.
In order to apply this measurement technique to the non-invasive aICP meter, instead of comparing weights it is necessary to compare absolute pressures. However, gravimetric scales must be replaces with something else.
At a frequency of 1 Hz, emissions (N[O.sub.x], HC, CO, C[O.sub.2] and PM), speed, intake air temperature (T), engine rpm, and manifold absolute pressure (MAP) at the air intake were measured.
* A 50 to 115 kPa absolute pressure measurement range.
This was the case with units operating in cities where absolute pressure is lower because of the altitude.
Decrease in absolute pressure has an effect on both conversion and selectivity of products.
Complete range of industrial transducers and transmitters for monitoring gauge and absolute pressure, differential pressure, vacuum, load, weight, force, torque, displacement, and acceleration.
where p is the absolute pressure, V the volume of the system, R the universal gas constant, and T the absolute temperature.
Absolute pressure sensors were installed for measuring the low and high absolute pressures of the refrigeration system and the pressure at the evaporator inlet.