1) Cetane number is a measurement of the combustion quality or ignition delay of diesel fuel during compression ignition
2) Octane number is a measure of the resistance of fuels to detonation or ignition. Research Octane Number (RON) is measured with an engine speed of 600 rpm, while Motor Octane Number (MON) is measured with an engine speed of 900 rpm.
3) LHV - Lower Heat Value - is the net amount of heat produced by combustion of a unit quantity of a fuel
How to measure density of liquid petroleum products
Boiler house topics, fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency.
Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Work, heat and energy systems.
Heat of combustion (energy content) for som common substances - with examples how to calculate heat of combustion.
Environmental emission of carbon dioxide CO2 when combustion fuels like coal, oil, natural gas, LPG and bio energy.
An overview of common test methods and typical ranges of variation of petroleum quality parameters. What, why and how do the different test?
The flash points for some common liquids and fuels.
Net (low) and gross (high) energy content in fossil and alternative fuels.
Variations in fuel oils density as function of temperatur, together with volume correction factors.
Combustion air and flue gas for common fuels - coke, oil, wood, natural gas and more.
Higher and lower calorific values (heating values) for fuels like coke, oil, wood, hydrogen and others.
Online petroleum-based fuels properties database.
Autoignition points for fuels and chemicals like butane, coke, hydrogen, petroleum and more.
Density, specific heat, dynamic and kinematic viscosity and thermal conductivity of gasoline vs. temperature
The gross (high) and net (low) heating values.
Molweight, melting and boiling point, density, flash point and autoignition temperature, as well as number of carbon and hydrogen atoms in each molecule for 200 different hydrocarbons.
Variations in jet fuel density as function of temperatur, together with volume correction factors.
Density, specific heat, thermal conductivity and more.
Stable and efficient combustion requires correct mixture of fuels and oxygen.
An overview of common test methods and specifications of petroleum fuels. What, why and how do the different test?
The standard enthalpy of formation, Gibbs energy of formation, entropy and molar heat capacity are tabulated for more than hundred organic substances.
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