Efficiency of Ejector as pump

  • Thread starter ADunn
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  • #1
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Efficiency of Ejector "as pump"

I was asked to find the efficiency of a steam ejector experiment "as a pump". So I tried the formula :

[(m(P/density + V^2/2))discharge - (m(P/density + V^2/2))suction]/
(m(P/density + V^2/2))steam inlet.

I am getting an efficiency of 0.5%.

Is this a reasonable result or am I approaching this wrong?

Thanks!
 

Answers and Replies

  • #2
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Hi, I am interested in these pumps but I have no idea what kind of pressure/flow ratios they can get. Can you please tell me for what measured values you got for 0.5% efficiency?

Thanks,
cezar
 
  • #3
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I don't think your formula is suitable,you can read the paper 《An investigation of ejector design by analysis and experiment》,which can be down load from http://ejector.getbbs.com/ [Broken]
 
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