Re: 706

Posted by T_Bone on November 24, 2003 at 23:16:36 from (65.57.32.182):

In Reply to: 706 posted by Jason on November 24, 2003 at 06:23:03:

Hi Jason,

More than likely your seeing condensing of water vapor on the high pressure side of the injector pump.

This is probably caused by your fuel having a heavy consentration of entrained water. When water saturated fuel is pumped to a high prsssure then shoved thru a smaller orifice, this creats a lower pressure, then you get a refrigeration effect with in the injector pump because it is at a lower internal temperature than the amibent temperature thus condensastion occurs on the external pump surface.

An example of the refrigeration effect:
A high prsssure liquid is pumped thru a small diameter orifice expanding into a larger diameter tube thus dropping pressure.

As the pressure drops and expands so does the temperature drop, hence the refigeration effect.

All refrigeration systems work on this principle. Your refrigerator, home AC, auto AC, a hospital HVAC system, etc.

Although water or diesel does not make a very efficent refrigerant, it's still can be used as a refrigerant.

You might want to buy a can of Power Service "heat", made to remove water from diesel. Found at any truck stop or Wal-Mart. Then change your fuel filters.

How PS heat works is it entraps water with-in the diesel fuel molcules carrying the water with the fuel to be used in the combustion process.

T_Bone

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