heat engine

Definitions of heat engine
  1. noun
    any engine that makes use of heat to do work
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    types:
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    external-combustion engine
    a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy
    ICE, internal-combustion engine
    a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
    diesel, diesel engine, diesel motor
    an internal-combustion engine that burns heavy oil
    four-stroke engine, four-stroke internal-combustion engine
    an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke
    gas engine
    an internal-combustion engine similar to a gasoline engine but using natural gas instead of gasoline vapor
    gasoline engine, petrol engine
    an internal-combustion engine that burns gasoline; most automobiles are driven by gasoline engines
    outboard, outboard motor
    internal-combustion engine that mounts at stern of small boat
    radial engine, rotary engine
    an internal-combustion engine having cylinders arranged radially around a central crankcase
    reciprocating engine
    an internal-combustion engine in which the crankshaft is turned by pistons moving up and down in cylinders
    rotary engine
    an internal-combustion engine in which power is transmitted directly to rotating components
    steam engine
    external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder
    valve-in-head engine
    internal-combustion engine having both inlet and exhaust valves located in the cylinder head
    type of:
    engine
    motor that converts thermal energy to mechanical work
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