combustion efficiency


Also found in: Acronyms.

combustion efficiency

[kəm′bəs·chən i′fish·ən·sē]
(chemistry)
The ratio of heat actually developed in a combustion process to the heat that would be released if the combustion were perfect.

Combustion efficiency

The efficiency at which a fuel is burned in a combustion appliance when operating at its rated output; the combustion efficiency is always higher than the annual fuel utilization efficiency (AFUE).

combustion efficiency

The ratio of energy released to the potential chemical energy of fuel. Both variables are expressed as a rate. It can also be described as the ratio of actual temperature rise to the theoretical temperature rise in jet engines.
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Figure 11 shows iSHC and iSCO emissions and combustion efficiency as a function of SOI for central and side DI.
The ideal control solution that maximizes combustion efficiency without compromising boiler safety would need to identify the fuel/air ratio corresponding to the lowest possible oxygen concentration where all available fuel is spent and operate the boiler at that ratio, adapting to boiler demand changes and variations of the surrounding environment.
Engineer-turned-inventor Ulf Arens claims his ignition booster improves combustion efficiency, power output, and fuel economy.
Testo has introduced a hand-held combustion efficiency analyzer for a variety of applications.
The increasing use of low swirl combustion systems and higher injection pressures in Caterpillar engines provided reduced emission levels while maintaining improved fuel economy, lower heat rejection, better cold starting and the ability to get higher ratings - a result of a number of factors, the most important being the ability to operate with increased combustion efficiency.
The resulting oxygen increase improves gasoline's combustion efficiency especially at cold temperatures, thereby cutting carbon monoxide emissions by 10 to 20 percent.
Combustion efficiency is also enhanced by an optimized multipoint programmed fuel-injection system, and precise control of the fuel-air ratio.
As part of annual servicing, arrange for a combustion efficiency to be performed.
Furthermore, thermal stratification enables combustion efficiency to be maintained: combustion efficiency would be a problem to relieve HCCI combustion by intake charge stratification.
Direct inspection service about the status of operation and maintenance, as well as the combustion efficiency of the heating systems that fall into the Municipality of Monza, as specified in Article.
The Hot Water Boiler is a forced-circulation, fully automatic, gas, oil, dual fuel and/or biogas fired packaged unit with low emissions and high combustion efficiency.
On direct-fired heating equipment as commonly used in dry-off and curing ovens it is not possible to check combustion efficiency, as the products of combustion are greatly diluted in the recirculating air.