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Combustion - Combustion temperatures | | Combustion - Combustion temperatures: Encyclopedia II - Combustion - Combustion temperatures | | Assuming perfect combustion conditions, such as an adiabatic (no heat loss) and complete combustion, the adiabatic combustion temperature can be determined. The formula that yields this temperature is based on the first law of thermodynamics and takes note of the fact that the heat of combustion (calculated from the fuel's heating value) is used entirely for warming up fuel and gas (e.g. oxygen or air).
In the case of fossil fuels burnt in air, the combustion temperature depends on
the heating value
the stoichiometric air ratio λ
the heat capacity of fuel a ...
See also:Combustion, Combustion - Rapid combustion, Combustion - Slower combustion, Combustion - Complete combustion, Combustion - Incomplete combustion, Combustion - Chemical equation, Combustion - Combustion phases, Combustion - Combustion temperatures, Combustion - Combustion Analysis | | | Combustion, Combustion - Chemical equation, Combustion - Combustion Analysis, Combustion - Combustion phases, Combustion - Combustion temperatures, Combustion - Complete combustion, Combustion - Incomplete combustion, Combustion - Rapid combustion, Combustion - Slower combustion, Carbon dioxide, Deflagration, Detonation, Fire, Heat of combustion, Phlogiston theory (historical), Pyrolysis, Pyrophoric, Smouldering, Spontaneous combustion, Stoichiometry, Cyclone furnace, External combustion engine, Internal combustion engine, Rotary combustion engine, Staged combustion cycle (rocket), Calorimeter, Coherent anti-Stokes Raman spectroscopy (CARS), Laser Doppler velocimetry, Laser-induced fluorescence, Particle image velocimetry, Cooking, Global warming, Immolation | | |
| | | Combustion: Encyclopedia II - Combustion - Combustion temperatures
Combustion - Combustion temperatures
Assuming perfect combustion conditions, such as an adiabatic (no heat loss) and complete combustion, the adiabatic combustion temperature can be determined. The formula that yields this temperature is based on the first law of thermodynamics and takes note of the fact that the heat of combustion (calculated from the fuel's heating value) is used entirely for warming up fuel and gas (e.g. oxygen or air).
In the case of fossil fuels burnt in air, the combustion temperature depends on
- the heating value
- the stoichiometric air ratio λ
- the heat capacity of fuel and air
- air and fuel inlet temperatures
The adiabatic combustion temperature increases for higher heating values and inlet temperatures and stoiciometric ratios towards one.
Typically, the adiabatic combustion temperatures for coals are around 1500 °C (for inlet temperatures of room temperatures and λ = 1.0), around 2000 °C for oil and 2200 °C for natural gas.
Other related archivesC, Calorimeter, Carbon dioxide, Chemical processes, Coherent anti-Stokes Raman spectroscopy, Combustion, Cooking, Cyclone furnace, Deflagration, Detonation, External combustion engine, Fire, Fuel, Global warming, Heat, Heat of combustion, Immolation, Internal combustion engine, Laser Doppler velocimetry, Laser-induced fluorescence, Oxygen, Particle image velocimetry, Phlogiston theory, Pyrolysis, Pyrophoric, Respiration, Rotary combustion engine, Smouldering, Spontaneous combustion, Staged combustion cycle (rocket), Stoichiometry, Water, adiabatic, charred, chemical equation, dry distillation, exothermic reaction, fire, fire point, first law of thermodynamics, flame, flash point, fuel, heat, heat of combustion, heating value, hydrocarbon, internal combustion engines, iron(III) oxide, light, nitrogen dioxide, octane, oxidizer, oxygen, propane, smoulders, stoichiometric air ratio, sulfur dioxide, thermobaric weapons
 Adapted from the Wikipedia article "Combustion temperatures", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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