research octane number


Also found in: Dictionary, Thesaurus, Acronyms.

research octane number

[ri′sərch ′äk‚tān ‚nəm·bər]
(engineering)
An expression for the antiknock rating of a motor gasoline as a guide to how vehicles will operate under mild conditions associated with low engine speeds.
Mentioned in ?
References in periodicals archive ?
sg site in michalw in quantities - unleaded petrol with a research octane number not less than 95 that meets the requirements of pn-en 228 + a12017-06 or equivalent up to 2,000 liters, - diesel fuel that meets the full requirements of pn-en 590 + a12017-06 or equivalent up to 12,000 l
D2699 - Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel; American Society for Testing and Materials, 2013.
Winter season gasoline of JIS No.1 and No.2, those were sold in Tokyo area, were used but their fuel properties were unclear except RON (Research Octane Number).
The subject of the order is the supply of motor fuels - refueling of company vehicles at plac sg in rutka tartak in quantities: - unleaded petrol with a research octane number not less than 95 that meets the requirements of pn-en 228 + a1: 2017-06 in full or equivalent up to 2 500 l, - diesel fuel that meets the requirements of pn-en 590 + a1: 2017-06 in full or equivalent up to 11,000 l
Ethanol has a research octane number (RON) 108 [1].
Properties of the tested fuels Property JIS 1 diesel Normal heptane iso-Octane Density [g/[cm.sup.3]] 0.834 0.689 0.692 10% Distillation 217 temperature [[degrees]C] 50% Distillation 281 98.4 (a) 99.2 (a) temperature [[degrees]C] 90% Distillation 342 temperature [[degrees]C] Carbon [wt%] 86.33 83.90 84.04 Hydrogen [wt%] 13.7 16.10 15.95 Lower heating value 42.9 44.56 44.4 [MJ/kg] b - 0 100 Octane number (RON (b)) Cetane number 54.2 - - (a) Boiling point (b) Research octane number
Hydrodesulfurization, a method widely used to remove sulfur from naphtha, requires a considerable amount of hydrogen, and results in the loss of RON (research octane number).
There are two main standard testing methods used to measure the octane number: RON (Research Octane Number) and MON (Motor Octane Number).
Fuel (unleaded gasoline with a research octane 95, unleaded gasoline with a research octane number of 98 and diesel) Purchase Strenci municipality needs.
Octane number at retail pumps in the United States is given as the anti-knock index (AKI), the average of research octane number (RON) and motor octane number (MON).
Unleaded gasoline with a Research Octane Number (RON) of 93 (ULG93) was sourced from a local refinery.

Full browser ?