brake thermal efficiency


Also found in: Acronyms.

brake thermal efficiency

[′brāk ′thər·məl ə′fish·ən·sē]
(mechanical engineering)
The ratio of brake power output to power input.
References in periodicals archive ?
2, a) shows that the variation of brake thermal efficiency of two different modified manifolds (aerofoil plate) based on speed.
4% reducing engine brake thermal efficiency with a maximum of 21.
to conduct bench tests on the diesel engine and provide a comparative analysis of the effect of ethanol and petrol addition to rapeseed oil on brake mean effective pressure, brake specific fuel consumption and brake thermal efficiency when operating on pure RO and its blends under constant air-to-fuel equivalence ratio, [lambda] = 1.
The variation of brake thermal efficiency with respect to the brake mean effective pressure under various compression ratios is shown in the Fig.
Engine gives considerable Brake thermal efficiency (31%), when 80%-blended fuel was used.
Based on the above mentioned results we conclude that HCCI mode combustion process achieved by us in PCCI-DI mode has effectively increased the brake thermal efficiency and reduced pollution to a great extent.
Brake Thermal Efficiency represents in percentage terms the amount of energy converted from diesel fuel into useful mechanical work by the engine.
It is observed that for 50%-50% Cotton seed oil--diesel blend, the brake thermal efficiency is almost identical with that of pure diesel operating throughout the range of power output.
31 /PRNewswire/ -- As part of its presentation at the recent Diesel Engine Emissions Reduction (DEER) Conference in Chicago, Illinois, Detroit Diesel Corporation (DDC) announced that it has demonstrated technology to achieve greater than 45 percent brake thermal efficiency while meeting the 2007 emissions regulations -- a result of its collaboration with the United States Department of Energy (DOE) on the Heavy Truck Engine project.
It is observed that for 50%-50% Palm oil -diesel blend, the brake thermal efficiency is almost identical with that of pure diesel operating throughout the range of power output.
The performance of the engine was evaluated in terms of brake specific fuel consumption, brake thermal efficiency, volumetric efficiency and air fuel ratio.