engine efficiency


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engine efficiency

[′en·jən i′fish·ən·sē]
(mechanical engineering)
Ratio between the energy supplied to an engine to the energy output of the engine.

engine efficiency

engine efficiency
Propulsive efficiency of various types of jet engines.
The ratio of the propulsive power developed to the fuel power consumed. Specific fuel consumption (SFC) is one of the measures of engine efficiency.
References in periodicals archive ?
BorgWarner's Variable Cam Timing (VCT) Technology Improves Engine Efficiency, Performance and Fuel Economy
High engine efficiency is key to the achievement of low SFC and cost savings.
The test run will also assess the engine efficiency and maintenance costs, among other factors.
The RTA will embark on the pilot operation of electric buses to assess the associated environmental benefits, measure the rate of reduced carbon emissions, identify the distance covered by the bus following each battery recharge process, in addition to other parameters such as the bus speed, prescribed battery life span, ability to cope with the climatic conditions of the UAE, particularly during summer, engine efficiency, and maintenance costs, among others.
Excessive use of compressor air for turbine film cooling can, however, reduce engine efficiency.
Good Garage Scheme member garages can help motorists save up to 14% on the cost of fuel by cleaning and lubricating the entire fuel system, improving engine efficiency and reducing emissions.
Rolls-Royce continues to improve engine efficiency - the Trent 1000-TEN (Thrust, Efficiency and New technology) recently ran for the first time.
Further advantages include increased diesel engine efficiency as the valve disc seating design and low friction trigger mechanism results in a lower air flow restriction at higher flow rates than in some traditional designs.
It will significantly enhance gas engine efficiency while also contributing to lesser maintenance costs and lower emissions.
We are very excited to be involved in this collaborative project, which will have a significant impact to HDV engine efficiency and CO2 emissions.
The MIVEC variable valve timing system provides higher engine efficiency at any engine speed, achieving high levels of both environmental performance (fuel efficiency, lower emissions) and engine
Powerscreen has launched its new Warrior 1400X screen, offering improved overall performance and engine efficiency.