International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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M.Tech / M.E / PhD Thesis | Mechanical Engineering | India | Volume 3 Issue 6, June 2014


Critical Analysis of Fuel Pump Bleed Valve for Typical Jet Engine by Using FMEA Method

Bharath. G | R. Prakash [24]


Abstract: Since the invention of gas turbine and its rapid growth in aviation propulsion; the engine technology has grown more complex. The necessity for a modular design for assembly and replacement of components while maintaining the assemblys ability to perform is needed from the operational and maintenance perspective. The requirement of accurate alignment precision centring and positive drive cannot be compromised. This demands a valve arrangement which satisfy the above requirements present out of all known valve mechanisms; Bleed valve is the best choice and has been substantially proved by its usage in many of the gas turbine engines fuel pumps manufactured by renowned engine houses through the world. The largest and most important fluid system in a jet engine is the fuel system. This fuel system consists of fuel pump; there are many components assembled in the fuel pump. Among that Bleed valve is one which plays an important role in the fuel pump. The main function of this valve is to bleed the air bubble from the fuel lines. The bleed valve is operated manually by using plunger or pin before every start of an engine. This bleed valve after working for some times or some cycles there is a slit leakage in the valve which in turns results in effecting the performance of the engine. The project aims to bring out Critical Analysis of the Bleed valve used in a typical gas turbine engine fuel pump and identifying critical part which is creating leakage by using FMEA method.


Keywords: Bleed valve, fuel pump, critical analysis, turbine engine, FMEA


Edition: Volume 3 Issue 6, June 2014,


Pages: 761 - 763


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