heat range reserve — the distance to the start of pre ignition under further increasing thermal loading of the spark plug. This reserve is expressed in degrees crankshaft, the amount by which the factory set ignition timing can be further advanced without preignition … Dictionary of automotive terms
range — Pressure or temperature settings of a control; change within limits. See gear range heat range heat range reserve high/low range gearbox high/low range transmission load range mid range product range rev range … Dictionary of automotive terms
range reserve — See heat range reserve … Dictionary of automotive terms
Heat conduction — or thermal conduction is the spontaneous transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature, and acts to equalize temperature differences. It is also described as heat energy… … Wikipedia
Heat of formation group additivity — methods in thermochemistry enable the calculation and prediction of heat of formation of organic compounds based on additivity. This method was pioneered by S. W. Benson [ Estimation of heats of formation of organic compounds by additivity… … Wikipedia
Heat lightning — is a misnomer for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not have accompanying sounds of thunder. Heat lightning was named because it often occurs on hot summer nights, and to distinguish… … Wikipedia
HEAT Service & Support — is a service call tracking database program for small and mid sized companies. It was originally developed in 1989 by Bendata but is currently owned and support by Front Range Solutions … Wikipedia
Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… … Wikipedia
Heat engine — Thermodynamics … Wikipedia
Heat Regenerative Cyclone Engine — The Heat Regenerative Cyclone Engine is a new approach to an old design, the steam engine developed by James Watt in the 18th century. Like Watt s invention, the Cyclone Engine works according to the principles of external combustion: the working … Wikipedia