engine - definition. What is engine
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%ما هو (من)٪ 1 - تعريف

MACHINE DESIGNED TO PRODUCE MECHANICAL ENERGY FROM ANOTHER FORM OF ENERGY
Engines; Motors; Air-breathing engine; Air breathing engines; Engine design; Prime mover (engine); Motor (device); Motor; Air-breathing engines; Non conventional engines; Classification of Engines; Motour
  • Emission ''(Exhaust out)''}}
  • '''A three-horsepower internal combustion engine that ran on coal gas'''
  • Electric motor
  • [[Jet engine]] uses heat of combustion to generate a high-velocity exhaust as a form of [[reaction engine]]. [[Mechanical energy]] to power the aircraft's electrical and [[hydraulic]] systems can be taken from the turbine shaft, but [[thrust]] is produced by expelled exhaust gas.
  • A V6 [[internal combustion engine]] from a [[Mercedes-Benz]]

engine         
<jargon> 1. A piece of hardware that encapsulates some function but can't be used without some kind of front end. Today we have, especially, "print engine": the guts of a laser printer. 2. An analogous piece of software; notionally, one that does a lot of noisy crunching, such as a "database engine", or "search engine". The hackish senses of "engine" are actually close to its original, pre-Industrial-Revolution sense of a skill, clever device, or instrument (the word is cognate to "ingenuity"). This sense had not been completely eclipsed by the modern connotation of power-transducing machinery in {Charles Babbage}'s time, which explains why he named the stored-program computer that he designed in 1844 the "Analytical Engine". [Jargon File] (1996-05-31)
engine         
(engines)
Frequency: The word is one of the 1500 most common words in English.
1.
The engine of a car or other vehicle is the part that produces the power which makes the vehicle move.
He got into the driving seat and started the engine.
...an engine failure that forced a jetliner to crash-land in a field.
N-COUNT
2.
An engine is also the large vehicle that pulls a railway train.
In 1941, the train would have been pulled by a steam engine.
N-COUNT
engine         
n.
1.
Machine.
2.
Implement, instrument, weapon, agent, means.

ويكيبيديا

Engine

An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy.

Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power generation), heat energy (e.g. geothermal), chemical energy, electric potential and nuclear energy (from nuclear fission or nuclear fusion). Many of these processes generate heat as an intermediate energy form, so heat engines have special importance. Some natural processes, such as atmospheric convection cells convert environmental heat into motion (e.g. in the form of rising air currents). Mechanical energy is of particular importance in transportation, but also plays a role in many industrial processes such as cutting, grinding, crushing, and mixing.

Mechanical heat engines convert heat into work via various thermodynamic processes. The internal combustion engine is perhaps the most common example of a mechanical heat engine, in which heat from the combustion of a fuel causes rapid pressurisation of the gaseous combustion products in the combustion chamber, causing them to expand and drive a piston, which turns a crankshaft. Unlike internal combustion engines, a reaction engine (such as a jet engine) produces thrust by expelling reaction mass, in accordance with Newton's third law of motion.

Apart from heat engines, electric motors convert electrical energy into mechanical motion, pneumatic motors use compressed air, and clockwork motors in wind-up toys use elastic energy. In biological systems, molecular motors, like myosins in muscles, use chemical energy to create forces and ultimately motion (a chemical engine, but not a heat engine).

Chemical heat engines which employ air (ambient atmospheric gas) as a part of the fuel reaction are regarded as airbreathing engines. Chemical heat engines designed to operate outside of Earth's atmosphere (e.g. rockets, deeply submerged submarines) need to carry an additional fuel component called the oxidizer (although there exist super-oxidizers suitable for use in rockets, such as fluorine, a more powerful oxidant than oxygen itself); or the application needs to obtain heat by non-chemical means, such as by means of nuclear reactions.

أمثلة من مجموعة نصية لـ٪ 1
1. And that, according to the airlines and engine manufacturers is where it stays – in the engine oil, in the engine.
2. France‘s engine maker Snecma is co–developing an engine for the RRJ with Russian engine maker Saturn.
3. The preventative measure involves insulating the wiring of the engine computer from the engine block.
4. High octane is recommended because the engine is a high performance engine.
5. Parts of the engine cowling were found at the point where the engine blew up.