engine efficiency

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• 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

• engine efficiency — The ratio of the propulsive power developed to the fuel power consumed. Specific fuel consumption (SFC) is one of the measures of engine efficiency. Propulsive efficiency of various types of jet engines …   Aviation dictionary

• Engine — This article is about a machine to convert energy into useful mechanical motion. For other uses of engine, see Engine (disambiguation). For other uses of motor, see Motor (disambiguation). A V6 internal combustion engine from a Mercedes car An… …   Wikipedia

• Engine tuning — is the adjustment, modification or design of internal combustion engines to yield optimal performance, either in terms of power output or economy. It has a long history, almost as long as the development of the car in general, originating with… …   Wikipedia

• Engine cooling — is cooling an engine, typically using either air or liquid.OverviewHeat engines generate mechanical power by extracting energy from heat flows, much as a water wheel extracts mechanical power from a flow of mass falling through a distance.… …   Wikipedia

• Efficiency — as a technical term may refer to: * Algorithmic efficiency, optimizing the speed and memory requirements of a computer program * Efficient energy use, useful work per quantity of energy ** Energy conversion efficiency, desired energy output per… …   Wikipedia

• Engine balance — is the design, construction and tuning of an engine to run smoothly. Engine balance reduces vibration and other stresses, and may improve the performance, efficiency, cost of ownership and reliability of the engine, as well as reducing the stress …   Wikipedia

• Engine knocking — Pinging redirects here. For other uses, see Ping (disambiguation). Knocking (also called knock, detonation, spark knock, pinging or pinking) in spark ignition internal combustion engines occurs when combustion of the air/fuel mixture in the… …   Wikipedia

• Engine test stand — An engine test stand is a facility used to develop, characterize and test engines. The facility, often offered as a product to automotive OEMs, allows engine operation in different operating regimes and offers measurement of several physical… …   Wikipedia

• Engine-generator — An engine generator is the combination of an electrical generator and an engine (prime mover) mounted together to form a single piece of equipment. This combination is also called an engine generator set or a gen set . In many contexts, the… …   Wikipedia

• efficiency of a heat engine — efficience ef*fi cience ([e^]f*f[i^]sh ens), efficiency ef*fi cien*cy ([e^]f*f[i^]sh en*s[y^]), n. [L. efficientia.] 1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. [1913 Webster] The manner …   The Collaborative International Dictionary of English