In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement ?

Process Equipment and Plant Design 28/04/2020

A. Results in higher shell side pressure drop
B. Can accomodate less number of tubes for a given shell diameter
C. Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell
side fluid
D. Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer
co-efficient

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