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ITS » Books » Luar ITS Posted by email@example.com at 27/04/2015 18:11:10 • 1774 Views
EFFECT OF INJECTOR NOZZLE HOLES ON DIESEL ENGINE PERFORMANCE
Author : SEMIN ( 197101101997021001 ) ISMAIL, ABDUL RAHIM
The four-stroke direct-injection diesel engine typical was measured and modeled by Bakar et al 2007 using GT-POWER computational model and has explored of diesel engine performance effect based on engine speeds. GT-POWER is the leading engine simulation tool used by engine and vehicle makers and suppliers and is suitable for analysis of a wide range of engine issues. The details of the diesel engine design vary significantly over the engine performance and size range. In particular different combustion chamber geometries and fuel injection characteristics are required to deal effectively with major diesel engine design problem achieving sufficiently rapid fuel-air mixing rates to complete the fuelburning process in the time available. According to Heywood 1988 and Ganesan 1999 a wide variety of inlet port geometries cylinder head and piston shapes and fuel-injection patterns are used to accomplish this over the diesel size range. The engine ratings usually indicate the highest power at which manufacturer expect their products to give satisfactory of power economy reliability and durability under service conditions. Maximum torque and the speed at which it is achieved is usually given also by Heywood 1988. The importance of the diesel engine performance parameters are geometrical properties the term of efficiency and other related engine performance parameters. The engine efficiencies are indicated thermal efficiency brake thermal efficiency mechanical efficiency volumetric efficiency and relative efficiency Ganesan 1999. The other related engine performance parameters are mean effective pressure mean piston speed specific power output specific fuel consumption intake valve mach index fuel-air or air-fuel ratio and calorific value of the fuel Heywood 1988 Ganesan 1999 Semin et al. 2007. According to Heywood 1988 in the diesel engine geometries design written that diesel engine compression ratio is maximum cylinder volume or the displaced volume or swept and clearance volume divided by minimum cylinder volume. And the power delivered by the diesel engine and absorbed by the dynamometer is the product of torque and angular speed. The engine efficiencies every its efficiencies defined by Ganesan 1999.
: mesin diesel
: 623.872 36 Sem e
Source Books of Books Fuel Injection ISBN 978-953-307-116-9