May 09, 2019 · Fixed tubesheet being the least expensive shell & tube exchanger type, as long as we don't use any expansion joint. But for the same reason, fixed tubesheet exchanger does not help much for services having large temperature difference between shell & tube sides.
Which Heat Exchanger Is Best? The Three Main Types The shell and tube heat exchanger in the photo above has about twelve times the efficiency than a hypothetical single-tube heat exchanger of the same size. However, there is a disadvantage to smaller tubes if the fluid in your application is very viscous or has particulates, it can foul up the tube and undermine the heat transfer process.
Parallel, Counter and Cross Flow
Understanding TEMA Types for Shell-and-Tube Exchangers Mar 20, 2020 · Straight-tube, fixed tubesheet heat exchanger types are the most common and, generally, least expensive designs. Examples of these heat exchanger configurations include BEM, AEL and NEN. One disadvantage of these designs is that the tube bundle section is not removable; therefore, the shell side cannot be cleaned easily.Images
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