RU2003110065A - METHOD FOR DETERMINING THE OCTAN NUMBER OF AUTOMOBILE GASOLINES - Google Patents

METHOD FOR DETERMINING THE OCTAN NUMBER OF AUTOMOBILE GASOLINES

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Publication number
RU2003110065A
RU2003110065A RU2003110065/28A RU2003110065A RU2003110065A RU 2003110065 A RU2003110065 A RU 2003110065A RU 2003110065/28 A RU2003110065/28 A RU 2003110065/28A RU 2003110065 A RU2003110065 A RU 2003110065A RU 2003110065 A RU2003110065 A RU 2003110065A
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RU
Russia
Prior art keywords
gasoline
determining
temperature
octane number
gasolines
Prior art date
Application number
RU2003110065/28A
Other languages
Russian (ru)
Other versions
RU2247982C2 (en
Inventor
Леонид Владимирович Илясов
Наталия Валентиновна Жосану
Галина Алексеевна Филинова
Original Assignee
Тверской государственный технический университет
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Publication date
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Priority to RU2003110065/28A priority Critical patent/RU2247982C2/en
Priority claimed from RU2003110065/28A external-priority patent/RU2247982C2/en
Publication of RU2003110065A publication Critical patent/RU2003110065A/en
Application granted granted Critical
Publication of RU2247982C2 publication Critical patent/RU2247982C2/en

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Claims (1)

Способ определения октанового числа автомобильных бензинов, включающий определение значений информативного параметра для различных эталонных бензинов, построение калибровочной зависимости информативного параметра от октанового числа этих бензинов, определение значения информативного параметра пробы анализируемого бензина и определение по калибровочной зависимости октанового числа анализируемого бензина, а также измерение плотности и температуры пробы анализируемого бензина, отличающийся тем, что значение информативного параметра определяют путем измерения поверхностного натяжения пробы анализируемого бензина, а октановое число вычисляют в интервале температур (10÷40)оС по следующей зависимости:A method for determining the octane number of motor gasolines, including determining the values of the informative parameter for various reference gasolines, constructing a calibration dependence of the information parameter on the octane number of these gasolines, determining the value of the informative parameter of the sample of the analyzed gasoline and determining the calibration octane number of the analyzed gasoline, as well as measuring the density and the sample temperature of the analyzed gasoline, characterized in that the value of the informative vapor tra determined by measuring the surface tension of the sample analyte of gasoline and the octane number is calculated in the temperature range (10 ÷ 40) ° C according to the following relationship:
Figure 00000001
Figure 00000001
 где χ - октановое число бензина;where χ is the octane number of gasoline; а0, a1, а2 - постоянные коэффициенты, определяемые при калибровке;and 0 , a 1 , and 2 are constant coefficients determined during calibration; t - измеренное значение температуры бензина, °С;t is the measured temperature of gasoline, ° C; ρ - измеренное значение плотности бензина при температуре t, кг/м3;ρ is the measured value of the density of gasoline at a temperature t, kg / m 3 ; σ - измеренное значение поверхностного натяжения при температуре t, Н/м;σ is the measured value of surface tension at a temperature t, N / m; β - объемный коэффициент теплового расширения бензинов, 1/°С;β - volume coefficient of thermal expansion of gasolines, 1 / ° С; φ - коэффициент, учитывающий изменение поверхностного натяжения от температуры, 1/°С.φ - coefficient taking into account the change in surface tension as a function of temperature, 1 / ° С.
RU2003110065/28A 2003-04-09 2003-04-09 Method of determining octane number of motor petrol RU2247982C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003110065/28A RU2247982C2 (en) 2003-04-09 2003-04-09 Method of determining octane number of motor petrol

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Application Number Priority Date Filing Date Title
RU2003110065/28A RU2247982C2 (en) 2003-04-09 2003-04-09 Method of determining octane number of motor petrol

Publications (2)

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RU2003110065A true RU2003110065A (en) 2004-11-10
RU2247982C2 RU2247982C2 (en) 2005-03-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2498286C1 (en) * 2012-04-16 2013-11-10 Пильцов Сергей Сергеевич Method and system for controlling commercial gasoline blending
RU2623698C2 (en) * 2015-09-14 2017-06-28 Акционерное общество "МЕРА" Method and device for determining octanic numbers of automotive gasoline

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