knocking combustion
11Homogeneous 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… …
12gasoline — gasolineless, adj. gasolinic /gas euh lee nik, lin ik/, adj. /gas euh leen , gas euh leen /, n. a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal combustion engines, as a solvent, etc.… …
13gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
14Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… …
15Butanol fuel — Butanol may be used as a fuel in an internal combustion engine. Because its longer hydrocarbon chain causes it to be fairly non polar, it is more similar to gasoline than is ethanol. Butanol has been demonstrated to work in some vehicles designed …
16Octane rating — or octane number is a standard measure of the anti knock properties (i.e. the performance) of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating. In broad terms, fuels with a… …
17knock — knockless, adj. /nok/, v.i. 1. to strike a sounding blow with the fist, knuckles, or anything hard, esp. on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering. 2. to… …
18Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
19Detonation — For other uses, see Detonation (disambiguation). Detonation of the 500 ton TNT explosive charge as part of Operation Sailor Hat. The initial shock wave is visible on the water surface and a shock condensation cloud is visible overhead …
20knock — /nɒk / (say nok) verb (i) 1. to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, giving a signal, etc. 2. (of an internal combustion engine)… …
