compressor pressure ratio

The ratio of the compressor discharged pressure to the compressor inlet pressure. Also called a compression ratio.

Aviation dictionary. 2014.

Look at other dictionaries:

  • compressor pressure ratio — In a turbocharger system, the ratio between the absolute pressure at the compressor outlet and the compressor inlet …   Dictionary of automotive terms

  • Overall pressure ratio — In aeronautical engineering, the term overall pressure ratio is defined as the ratio of the stagnation pressure as measured at the front and rear of the compressor of a gas turbine engine. Generally speaking, a higher overall pressure ratio… …   Wikipedia

  • engine pressure ratio — The ratio of the turbine discharge pressure to the compressor inlet pressure. This ratio indicates the amount of thrust produced by the turbine engine …   Aviation dictionary

  • integrated engine pressure ratio — A ratio used on some turbofans to include fan discharge total pressure and compressor inlet total pressure. If compressor inlet pressure is P0 and fan discharge total pressure is P1 , then the integrated engine pressure ratio will be P1 /P0 …   Aviation dictionary

  • Integrated Engine Pressure Ratio — The Integrated Engine Pressure Ratio (IEPR) is the ratio of the pressure at the core engine exhaust and fan discharge pressure compared to the intake pressure to the gas turbine engine.In some gas turbine engines the engine pressure ratio (EPR)… …   Wikipedia

  • Compressor map — Each compressor (or fan) in a gas turbine engine has an operating map. Complete maps are either based on compressor rig test results or are predicted by a special computer program. Alternatively the map of a similar compressor can be suitably… …   Wikipedia

  • Compressor stall — A compressor stall is a situation of abnormal airflow resulting from a stall of the aerofoils within the compressor of a jet engine. Stall is found in dynamic compressors, particularly axial compressors, as used in jet engines and turbochargers… …   Wikipedia

  • compressor efficiency — One of the measures of aerodynamic efficiency. It is measured by the ability of a compressor to compress the air to the maximum pressure ratio with a minimum increase in air temperature. The compression ratio is a measure of compressor efficiency …   Aviation dictionary

  • compressor — /keuhm pres euhr/, n. 1. a person or thing that compresses. 2. Anat. a muscle that compresses some part of the body. 3. Surg. an instrument for compressing a part of the body. 4. a pump or other machine for reducing volume and increasing pressure …   Universalium

  • compression ratio — i. The ratio of the volume of fuel air mixture in a reciprocating engine when the piston is at the bottom dead center to the volume when it is at the top dead center. It is the ratio of the cylinder volume at the end of the intake stroke to the… …   Aviation dictionary

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