- effective compression ratio
- Железнодорожный термин: эффективная степень сжатия
Универсальный англо-русский словарь. Академик.ру. 2011.
effective compression ratio
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Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… … Wikipedia
compression — [1] Applying pressure to a spring, or any springy substance, thus causing it to reduce its length in the direction of the compressing force. [2] Applying pressure to a gas, thus causing a reduction in volume. [3] One of the essential factors in a … Dictionary of automotive terms
Homogeneous charge compression ignition — Thermodynamics … Wikipedia
Homogeneous Charge Compression Ignition — Homogeneous Charge Compression Ignition, or HCCI, is a form of internal combustion in which well mixed fuel and oxidizer (typically air) are compressed to the point of auto ignition. As in other forms of combustion, this exothermic reaction… … Wikipedia
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
Mean effective pressure — The mean effective pressure is a quantity related to the operation of an reciprocating engine and is a valuable measure of an engine s capacity to do work that is independent of engine displacement[1]. When quoted as an indicated mean effective… … Wikipedia
Video compression picture types — In the field of video compression a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly around amount of data compression. These different algorithms for video frames are called… … Wikipedia
Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… … Wikipedia
Crown-to-root ratio — This X ray film reveals a poor crown to root ratio for tooth #21 (right), the lower left first premolar. The tooth exhibits 50% bone loss, adding roughly 5 7 mm to the clinical crown of what is actually anatomical root. The fulcrum, existing… … Wikipedia
stress, effective — Stress (pressure) that is borne by and transmitted through the grain to grain contacts of a deposit, and thus affects its porosity or void ratio and other physical properties. In onedimensional compression, effective stress is the average… … Lexicon of Cave and Karst Terminology
Engine efficiency — of thermal engines is the relationship between the total energy contained in the fuel, and the amount of energy used to perform useful work. There are two classifications of thermal engines (1) Internal combustion (gasoline, diesel and gas… … Wikipedia
