6/8/2023 0 Comments How to build a wet flow bench![]() On the plus side the steel heads I worked are still a good set of heads just not as good as they could have been if I were to do them now but that is what learning is about. Now I really am starting to miss having a bench to play with.īeen testing with the bench and have learned a lot in the last week, unfortunately a lot of it is what I have been doing wrong. A little cutting the swirly goes up and the plugs dont get soaked. Stunning how wet the old 258 head plug would get and how little swirl the head has. Another fun test is to spray water into the port and see where it collects. Watching where the string goes and where the velocities are high/low will let you cut the ports to maximize swirl. You can also get a pretty good idea of swirl by just letting a piece of string of fixed length run into the dummy cylinder. ![]() Make sure you set up some sort of third manometer so you can map port velocities, finding the fast areas, slow areas and flow reversions is the best thing I ever did for guiding where to cut and where not to cut. Vertical worked fine for the pressure drop across the orifice plate in the settling tank. ![]() When built my flow bench I found that I had to run the manometers at a 45 degree angle to get the precision that I wanted for measuring the pressure drop across the ports.
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