Research Article
Numerical Investigation on Double Shell-Pass Shell-and-Tube Heat Exchanger with Continuous Helical Baffles
Table 1
Geometric parameters of STHXs.
| Item | STHXCH | STHXCH | STHXSG |
| Shell inside diameter (mm) | 207 | 207 | 207 | Tube outside diameter (mm) | 19 | 19 | 19 | Tube pitch (mm) | 25 | 25 | 25 | Length of tubes (mm) | 1500 | 1500 | 1500 | Number of tubes | 55 | 55 | 55 | Helix angle (°) | 36 | 20 | | Helix pitch (mm) | 472.5 | 236.7 | | Baffle pitch (mm) | | | 118.5 | Flow area (m2) | | | | Shell pass | Double | Single | Single |
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