A Review on Shell and Tube Heat Exchanger (STHX) using various Design arrangement of Baffle

Mechanical Engineering

This paper provides a review about major work done on different designs of baffle as well as its arrangement as like segmental baffle, helical baffle, plate baffle etc to improve overall performance of shell and tube heat exchanger. Major factors which affect performance of shell and tube heat exchanger are shown in this paper and also comparisons between different baffle design arrangements are shown. Now a day’s mostly research done on helical baffle arrangement which gives better performance compared to segmental baffle and researcher gives some more design arrangement of baffles like trefoil-hole baffles, plate baffles, ladder-type fold baffle etc which gives better overall performance of shell and tube heat exchanger. In most cases, discontinuous, folded, sextant helical baffles, 40° baffle inclination angle as well as low baffle spacing will give the best results when integrated in some combination, whereas continuous helical baffle market as per tles eliminate dead regions. Moreover, sealing strips are more likely to improve the performance of shell and tube heat exchangers with continuous helical baffles.

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