Explain How fuel system components works: Booster pump- Jet Pump- Surge tank- Crossfeed valve- Jettison valve- Capcitance fuel gauge-

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Mechanical Engineering

Explain How fuel system components works:
Booster pump-
Jet Pump-
Surge tank-
Crossfeed valve-
Jettison valve-
Capcitance fuel gauge-

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3.6 Ratings (374 Votes)

1 BOOSTER PUMP A booster pump is a machine which will increase the pressure of a fluid They may be used with liquids or gases but the construction details will vary depending on the fluid A simpler mechanism which often has only a single stage of compression and is used to increase pressure of a fluid already above ambient pressure Twostage boosters are also made Booster pumps are usually piston or plunger type compressors A singleacting singlestage booster is the simplest configuration and comprises a cylinder designed to withstand the operating pressures with a piston which is driven back and forth inside the cylinder The cylinder head is fitted with supply and discharge ports to which the supply and discharge hoses or pipes are connected with a nonreturn valve on each constraining flow in one direction from supply to discharge When the booster is inactive and the piston is stationary gas will flow from the inlet hose through the inlet valve into the space between the cylinder head and the piston If the pressure in the outlet hose is lower it will then flow out and to whatever the outlet hose is connected to This flow will stop when the pressure is equalised taking valve opening pressures into account Once the flow has stopped the booster is started and as the piston withdraws along the cylinder increasing the volume between the cylinder head and the piston crown the pressure in the cylinder will drop and gas will flow in from the inlet port On the return cycle the piston moves toward the cylinder head decreasing the volume of the space and compressing the gas until the pressure is sufficient to overcome the pressure in the outlet line and the opening pressure of the outlet valve At that point the gas will flow out of the cylinder via the outlet valve and port There will See Answer

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