7. Modified Definitions for Library of Ideas
TEMA : An authorized body for innovation & Standardization.
Shell side fluid : 1
Tube side fluid : 2

8. TEMA – E : One parallel & One counter Tube Flows : Devided Shell Flow

9. TEMA 1-2 G Shell & Tube

10. TEMA 1-2 H Shell & Tube

11. TEMA 1-2 J Shell & Tube

13. dz

17. Modified Definitions

18. TEMA – E : One parallel & Two counter Tube Flows

21. TEMA – E : Two parallel & Two counter Tube Flows

22. TEMA 1-4 J Shell & Tube

23. Multiple Shell and Tube HXs

24. Multiple Shell and Tube HXs
General accepted rule of thumb for heat exchanger design is to design such that F > 0.8.
F increases with increasing number of multiple shells in series for constant values of Pi and Ri.
The F equation for multiple shells can be used by redefining R and P as:
where