incomplete combustion


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incomplete combustion

[‚in·kəm′plēt kəm′bəs·shən]
(chemistry)
Combustion in which oxidation of the fuel is incomplete.
References in periodicals archive ?
There are two major causes of formation of CO emission, the first one is the incomplete combustion due to insufficient amount of oxygen supplied in combustion chamber and the second one is the poor mixture formation.
Explaining the government's plan, Nosratollah Seifi said: "Due to incomplete combustion, some motorcycles pollute the air four times as much as automobiles."
In practice, incomplete combustion, excessive combustion airflow, thermal loss due to high temperature flue gas, thermal loss through boiler surface, fuel type, burners, boiler load, and dirt heating surface are all the factors that influence the boiler efficiency [Kaya & Eyidogan 2010, Gupta 2011].
Even worse, this thaw is accelerating due to the deposition of black carbon --micro particles emitted in the atmosphere due to incomplete combustion of fossil fuels like diesel and biomass used for cooking and numerous other applications.
It is known the metal additives, on the one hand, lead to improving the energy performance of composite solid propellant due to high temperature of combustion [3], and on the other hand, they are the sources of specific impulse losses due to incomplete combustion of metal particles (especially for small-scale SRM and nozzleless SRM) [4].
"Blocked chimneys can cause a build-up of noxious fumes such as carbon monoxide due to incomplete combustion and this has the power to kill.
However, incomplete combustion of this biomass can produce pollution levels in the home that exceed the most polluted industrial cities.
Unlike the incomplete combustion's toxic products (CO, HC and PM), the N[O.sub.x] concentration is primarily influenced by the conditions of fuel combustion in the cylinder: temperature and reagent concentrations in the burned mixture zone.
The CO emission resulting from incomplete combustion is greatly taken into consideration because of the hazard of CO poisoning.
It arises already from this composition that in the course of pyrolysis and incomplete combustion of the pyrolysis products not only aromatic and PAHs can be created, but that they can be created simultaneously with the carbon porous system formation.
PAH, as a group of fused aromatic ring compounds, form during incomplete combustion of fossil fuels and garbage.
In addition, the analysis of gases in industrial processes allows optimisation of operating parameters--possibly to minimise the risk of producing undesired end products, such as carbon monoxide from incomplete combustion. On space missions trace gas analysis is used for the exploration of remote planets.

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