research octane number

An octane number, used by the American Society for Testing and Materials to estimate the antiknock characteristics of a fuel at low engine speeds

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  • research octane number — tiriamasis oktaninis skaičius statusas T sritis Standartizacija ir metrologija apibrėžtis Automobilinio benzino oktaninis skaičius, nustatytas laboratorijoje specialiu bandymų varikliu, veikiančiu nesunkiomis sąlygomis, ir apibūdinantis degalų… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Research Octane Number — Indice d octane L indice d octane[1] mesure la résistance d un carburant utilisé dans un moteur à allumage commandé à l auto allumage (allumage sans intervention de la bougie). Ce carburant est très généralement l essence. On parle assez souvent… …   Wikipédia en Français

  • research octane number — (RON) A fuel octane rating determined by the research octane test, one of many test procedures. Compare octane number …   Dictionary of automotive terms

  • research octane number — abbr. RON One of two ASTM tests for octane measures RON, predicting behavior under acceleration at low speed. RON is generally higher than MON. See: octane number …   Petroleum refining glossary

  • 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

  • octane number —    or octane rating    a measure used to express the ability of gasoline to reduce engine knocking. Gasoline is a complex mixture of hydrocarbons: compounds containing hydrogen and carbon. Beginning chemistry students learn that octane is the… …   Dictionary of units of measurement

  • octane number — 1. A measure of petrol s resistance to pre ignition or pinking , which is the sound made by an engine when pre ignition occurs, particularly at low revs and high load. Two measures are used, for low speed and high speed pre ignition. ULSP in the… …   Petroleum refining glossary

  • 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 — An amount of anti knock compound in gasoline. See iso octane motor octane number research octane number …   Dictionary of automotive terms

  • Octane (film) — Octane Directed by Marcus Adams Produced by Alistair MacLean Clark, Basil Stephens …   Wikipedia

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