Cetane index is used as a substitute for the cetane number of diesel fuel. The cetane index is calculated based on the fuel's density and distillation range (ASTM D86). There are two methods used, ASTM D976 and D4737. The older D976, or "two-variable equation" is outdated and should no longer be used for cetane number estimation. It is, however, still required by the United States Environmental Protection Agency (EPA) as an alternative method for satisfying its aromaticity requirement for diesel fuel. D4737 is the newest method and is sometimes referred to as "the four-variable equation". D4737 is the same method as ISO 4264. Cetane index in some crude oil assays is often referred to as Cetane calcule, while the cetane number is referred to as Cetane measure.
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| - Cetanindex (de)
- Cetane index (en)
- Indice de cétane (fr)
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| - Der Cetanindex (abgekürzt: CI) beschreibt – ähnlich wie die Cetanzahl – die Zündwilligkeit von Dieselkraftstoff sowie vergleichbarer Substanzen (z. B. Petroleum, Gasölkomponenten, Marinedieselöl). Der Index ist eine rein aus Dichte (kg/L) und Siedeverlauf (EN ISO 3405:2000) berechnete Größe. Diese internationale Norm wurde ursprünglich entwickelt, um die Zündwilligkeit zu bestimmen, wenn kein Prüfmotor zur Verfügung stand. Diese Einschränkung ist heute entfallen, spezifiziert wird der Cetanindex – zusammen mit der Cetanzahl – immer noch (DIN EN 590). (de)
- Cetane index is used as a substitute for the cetane number of diesel fuel. The cetane index is calculated based on the fuel's density and distillation range (ASTM D86). There are two methods used, ASTM D976 and D4737. The older D976, or "two-variable equation" is outdated and should no longer be used for cetane number estimation. It is, however, still required by the United States Environmental Protection Agency (EPA) as an alternative method for satisfying its aromaticity requirement for diesel fuel. D4737 is the newest method and is sometimes referred to as "the four-variable equation". D4737 is the same method as ISO 4264. Cetane index in some crude oil assays is often referred to as Cetane calcule, while the cetane number is referred to as Cetane measure. (en)
- L'indice de cétane évalue la capacité d'un carburant à s'enflammer sur une échelle de 0 à 100.Il est particulièrement important pour les moteurs Diesel où le carburant doit s'auto-enflammer sous l'effet de la compression. Un carburant à haut indice de cétane est caractérisé par sa facilité à s'auto-allumer. (fr)
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| - Der Cetanindex (abgekürzt: CI) beschreibt – ähnlich wie die Cetanzahl – die Zündwilligkeit von Dieselkraftstoff sowie vergleichbarer Substanzen (z. B. Petroleum, Gasölkomponenten, Marinedieselöl). Der Index ist eine rein aus Dichte (kg/L) und Siedeverlauf (EN ISO 3405:2000) berechnete Größe. Diese internationale Norm wurde ursprünglich entwickelt, um die Zündwilligkeit zu bestimmen, wenn kein Prüfmotor zur Verfügung stand. Diese Einschränkung ist heute entfallen, spezifiziert wird der Cetanindex – zusammen mit der Cetanzahl – immer noch (DIN EN 590). (de)
- Cetane index is used as a substitute for the cetane number of diesel fuel. The cetane index is calculated based on the fuel's density and distillation range (ASTM D86). There are two methods used, ASTM D976 and D4737. The older D976, or "two-variable equation" is outdated and should no longer be used for cetane number estimation. It is, however, still required by the United States Environmental Protection Agency (EPA) as an alternative method for satisfying its aromaticity requirement for diesel fuel. D4737 is the newest method and is sometimes referred to as "the four-variable equation". D4737 is the same method as ISO 4264. Cetane index in some crude oil assays is often referred to as Cetane calcule, while the cetane number is referred to as Cetane measure. (en)
- L'indice de cétane évalue la capacité d'un carburant à s'enflammer sur une échelle de 0 à 100.Il est particulièrement important pour les moteurs Diesel où le carburant doit s'auto-enflammer sous l'effet de la compression. Un carburant à haut indice de cétane est caractérisé par sa facilité à s'auto-allumer. (fr)
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