Quote:
Originally posted by hara
What does ASME stand for. Why do you think that's the best way to make a jet?
Just asking cause I don't take anything for granted. 
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Good! Always question things, or otherwise confirm everything from two other independant sources.
ASME stands for "American Society of Mechanical Engineers". Their home is at
www.asme.org , but you need to be registered to access most of their info.
As far as I've seen and read, this nozzle shape is optimal for the lowest pressure drop. As pressure is critical in our designs (and often neglected, I might add), I've opted to go this route.
I had a reference to efficiency ratios of various nozzle shapes (I'll post it, if I can find it again), and this shape is really optimal. I still have to clear up the whole "submerged" issue, but I believe that the basic shape would not change. Only the angle of the outlet should be affected.