- octane numbers
- • октаново число
English-Bulgarian polytechnical dictionary . 2013.
octane numbers
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Octane 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… … Wikipedia
Octane rating — A number used to indicate gasoline s antiknock performance in motor vehicle engines. The two recognized laboratory engine test methods for determining the antiknock rating, i.e., octane rating, of gasolines are the Research method and the Motor … Energy terms
octane number — Every brand of gasoline has an octane rating or number which indicates its ability to resist knocking. When the numbers were first developed, the researchers found that normal heptane (a hydrocarbon) had almost no ability to resist knocking so… … Dictionary of automotive terms
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… … Universalium
Hexadecane — Hexadecane[1] … Wikipedia
hydroforming — [hī′drefôrm΄iŋ] n. a process for converting alkenes of low octane numbers into high octane fuels, branched chains of alkanes, by applying temperatures and pressures in the presence of hydrogen and a catalyst … English World dictionary
heptane — noun Date: 1877 any of several isomeric alkanes C7H16; especially the liquid normal isomer occurring in petroleum and used especially as a solvent and in determining octane numbers … New Collegiate Dictionary
methyl tert-butyl ether — noun CHO ; an organic compound used to increase octane numbers of gasoline, through added oxygen, as an anti knock additive Syn: MTBE, methyl t butyl ether, methyl tertiary butyl ether, 2 methoxy 2 methylpropane … Wiktionary
isooctane — [ˌʌɪsəʊ ɒkteɪn] noun Chemistry a liquid hydrocarbon present in petroleum, used as a standard in the system of octane numbers … English new terms dictionary
Rolls-Royce Merlin — Merlin The Rolls Royce Merlin … Wikipedia
