Summer diesel fuel: the freezing point. Diesel fuel: specifications

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2020-02-11 15:20:13

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Vehicles equipped with diesel engines, the increase in ambient temperature above zero go on summer diesel fuel. It is the result of distillation of crude oil in distillation columns, accompanied by the boiling of hydrocarbon fractions.

Diesel fuel

Fuel of this type is divided into three main categories:

  • Winter. Diesel, use temperature of which is -30 degrees Celsius.
  • Old. Used with positive temperature.
  • The Arctic. Fuel, which made operating at critically low temperatures of the vehicle.

summer diesel fuel freezing point

General characteristics of diesel fuel

For all types of diesel fuel characterized by the following properties:

  • Density and viscosity determining factor in the formation and evaporation of mixtures in the engine.
  • Cetane number. Detonation resistance of the engine, its noise and power depend on the characteristics of diesel fuel. The greater the cetane number, the better the fuel burns due to the short period of ignition and the environmentally friendly exhaust. The standard for diesel fuel, this parameter must be in the range of 40–60 units.
  • Low temperature settings. one of them relates the freezing point of diesel fuel, its opacity and filter.

Additional characteristics include chemical stability, ash content, iodine number, kinematic viscosity, mass fraction of sulfur and sulfur compounds, carbon, acidity, water content and concentration of resins. Despite the fact that they are not particularly important, the producers are taken into account, as required by the standard for diesel fuel.

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Features and characteristics of summer diesel fuel

Because the freezing temperature of summer diesel fuel is low, its use in warm season, approximately from mid-spring to early autumn, when the air temperature does not fall below -5 degrees. Summer diesel fuel freezes at a steady -7 degrees Celsius, which can cause clogging of pipelines and the failure of the car engine. To thicken the diesel starts at -6 OC.

Implemented in Russia summer diesel fuel is marked with the letter “L”. It is made by mixing straight-run and secondary hydrocarbon gidroochistki fractions and their subsequent boiling at a temperature of from 280 to 360 degrees. High smoke and coking of the injectors be a consequence of boiling of the secondary fractions and the temperature rises.

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Summer diesel fuel is often used not just as a car fuel, but also as fuel for boiler. Low Flammability and high blast-proof allow you to use summer diesel fuel as fuel for agricultural and military equipment, generators. The low cost of diesel fuel is due to the less costly and technologically advanced process of obtaining in comparison with the production of gasoline.

diesel fuel specifications

The Density of summer diesel fuel

The Functionality and the efficiency of the filter and the fuel to the vehicle depends on the density of used diesel fuel. The density depends on the temperature of diesel fuel: the smaller, the higher the temperature of diesel fuel.

The Weighting of the fractional composition of diesel fuel occurred at an increased density, which can lead to the deterioration of the processes of atomization and evaporation of diesel fuel. The consequence is an accumulation in the fuel system of the car deposits that impair the circulation of the fuel to form carbon deposits on the engine valves.

Summer diesel fuel has a density in the range from 840 to 860 kg/m3. The density of winter diesel fuel by 2 units below. This parameter is measured by a hydrometer.

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Application of summer diesel fuel

Because the freezing temperature of summer diesel fuel is small, then it is used only with positive ambient temperatures. Low temperatures adversely affect summer diesel fuel, with the result that it is because of crystallization contained in its structure particles of the wax thickens and becomes cloudy. The injectors of the fuel system will cope with thickened fuel, which fuel-air mixture will not ignite.

Mostly summer diesel fuel used for diesel and high speed gas turbine engines of terrestrial and marine equipment, including industrial and domestic diesel generators, thermal guns and boilers.

Summer diesel fuel is mainly sold in the southern and Central parts of Russia, characterized by a mild climate and lack of frosts, which can adversely affect both the diesel fuel and the fuel system of the vehicle. In other regions of the country with low night temperatures, the car owner will either have to defrost the car in the garage to warm the fuel, or add special additives that allow to make summer diesel fuel winter.

Summer Quality diesel fuel

The Best diesel fuel labeling L is defined by the following parameters:

  • Cetane number, on which depend the power and economic characteristics of the motor.
  • Fractional part. depend on the completeness of combustion gases, smoke and toxicity.
  • Low-temperature properties. depend on the storage conditions of fuel and the efficiency of the power supply system of the engine at sub-zero ambient temperatures.
  • Viscosity and density responsible for normal flow of fuel efficient atomization in the combustion chamber and the operation of the engine filters.
  • Clean fuel. Efficiency and reliability of the filters of the engine depends on this parameter.
  • Flashpoint — they depend on the conditions of safe use of the fuel in the engines of cars.
  • The Presence of sulfur compounds, metals and unsaturated hydrocarbons, which are dependent on the degree of wear and corrosion of engine and level of carbon fouling.

freezing diesel fuel

Destinations

They are as follows:

  1. Euro-3. Deprecated at the moment, the standard, the former is relevant to 2005. Fuel was discontinued after the development of the new requirements, which it did not match.
  2. Euro-4. Changed post Euro-3 and began to be used after 2005. All vehicles imported into Russia in 2013 must comply with this standard. The exceptions are cars manufactured up to 2012 — are covered by a previous class Euro-3.
  3. Euro-5. Relatively new standard of fuel quality, the observance of which on the territory of the EU is mandatory for released with 2009 cars, but in 2008 — a cargo. In Russia this standard is also valid and applies to vehicles imported into the country.
  4. Special mention Biodiesel. A feature of this fuel include vegetable and animal fats, included in its composition. Diesel fuel is a result of processing various plants, including rapeseed and soybeans. The peculiarity of this type of fuel — the ability to apply it as an independent fuel and as a special additive to other types of diesel fuel. Biodiesel is labeled with a letter In the U.S., followed by the percentage composition of the total mass of the fuel. For such a fuel cetane number is in the range of 50–51 units.

best diesel fuel

Operational characteristics of diesel fuel

Fuel for diesel engines has the following features and characteristics:

  1. Cetane number, which affects the power plant and its efficiency. The higher this parameter, the more efficient the engine is running the vehicle.
  2. Fractional part. this parameter determines the quality of combustion, emissions, level of opacity, and some other properties.
  3. Low-temperature characteristics. freezing Temperature of summer diesel fuel and storage conditions depend on this parameter.
  4. Density and viscosity. Atomization and fuel filtration, the efficiency of the fuel system of a vehicle depend on this property.
  5. Flash. Characteristic that determines the level of safety of the fuel and its use in diesel engines.
  6. Clean. the working life of fuel filters of car depends on the level of cleanliness of diesel fuel.
  7. The Presence of sulphur, metals and other impurities speeds up engine wear and fuel system, forming on the inner elements of corrosion and carbon deposits.

Results

Summer diesel fuel is a type of diesel fuel used in warm time of the year at a positive temperature environment. Motorists reviews of diesel fuel for his efficiency, good viscosity and density, thanks to which improve the softness and smoothness of engine operation. The only nuances are the right choice of the brand of fuel — many sellers dilute the fuel, because of which it loses its properties and may cause a malfunction of the fuel system. Since the minimum freezing temperature of summer diesel fuel is -5 OC, it must be used only with positive ambient temperatures.


Article in other languages:

AR: https://tostpost.com/ar/cars/16247-summer-diesel-fuel-the-freezing-point-diesel-fuel-specifications.html

BE: https://tostpost.com/be/a-tamab-l/27994-letn-dyzel-nae-pal-va-temperatura-zamyarzannya-dyzel-nae-pal-va-harakt.html

DE: https://tostpost.com/de/autos/28025-sommer-dieselkraftstoff-gefrierpunkt-dieselkraftstoff-eigenschaften.html

ES: https://tostpost.com/es/coches/28055-horario-de-gas-leo-temperatura-de-congelaci-n-gas-leo-caracter-sticas.html

HI: https://tostpost.com/hi/cars/15718-summer-diesel-fuel-the-freezing-point-diesel-fuel-specifications.html

JA: https://tostpost.com/ja/cars/16620-summer-diesel-fuel-the-freezing-point-diesel-fuel-specifications.html

KK: https://tostpost.com/kk/avtomobil-der/27949-zhaz-y-dizel-otyny-atu-temperaturasy-dizel-otyny-sipattamalary.html

PL: https://tostpost.com/pl/samochody/27643-letni-olej-nap-dowy-temperatura-zamarzania-olej-nap-dowy-dane-technicz.html

PT: https://tostpost.com/pt/carros/27764-hor-rio-de-leo-diesel-a-temperatura-de-congelamento-leo-diesel-caracte.html

TR: https://tostpost.com/tr/arabalar/29643-yaz-dizel-yak-t-donma-s-cakl-dizel-yak-t-zellikler.html

UK: https://tostpost.com/uk/avtomob-l/27910-l-tn-dizel-ne-palivo-temperatura-zamerzannya-dizel-ne-palivo-harakteri.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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