Cetane number (cetane rating, CN) is an indicator of the combustion speed of diesel fuel and compression needed for ignition. It plays a similar role for diesel as octane rating does for …

Cetane is a colorless gas that is liquid at room temperature. It’s made of hydrocarbon molecules, specifically n-hexadecane, and has the chemical formula C16H34, meaning each molecule …

May 2, 2024 · Understanding the importance of cetane numbers is vital for optimizing diesel engine performance and efficiency. Diesel engines operate by igniting fuel through …

Cetane rating, also known as cetane number is a measurement of the quality or performance of diesel fuel. The higher the number, the better the fuel burns within the engine of a vehicle.

The cetane rating is a numerical value assigned to diesel fuel that measures its combustion quality. This rating is important because diesel engines operate by compressing air to a high …

Feb 24, 2025 · The Cetane number (CN) is a key measure of the ignition quality of diesel fuel in Compression Ignition (CI) engines, like diesel engines. It plays a crucial role in the combustion …

The cetane number is the percentage by volume of hexadecane (known as cetane) in a combustible mixture that contains cetane and 1-methylnaphthalene whose ignition properties …

Nov 17, 2025 · It indicates how quickly and smoothly the fuel ignites after being injected into the combustion chamber. A higher cetane number means the fuel ignites faster and provides …

Jul 2, 2025 · The cetane rating indicates how quickly the fuel ignites in the engine, affecting performance and efficiency. High-quality diesel fuel typically has a cetane rating of 50 or …

May 8, 2024 · More specifically, cetane number (CN), is a measure of the combustion quality of diesel fuel during compression ignition. It’s similar to the octane rating for gasoline but …