Tube bundle에 길이 방향으로 설치되는 plate 형태의 Baffle입니다.

일반적인 Baffle이 Tube에 수직방향으로 설치되는 데에 비해 이 Baffle은 수평으로 설치되어 진동(소음)을 잡아 주는 역할을 합니다.

Traditionally the two ways to avoid vibration problems (which produce the erosion-corrosion) are to support the tubes as rigidly as possible (i.e., close baffle spacing or NTIW) and to keep the velocities low. In addition, some detuning (deresonating) baffles (one or more with clips, wedges, flat bars, helical spacers, or baffles-most popular) may be installed to avoid resonance problem by change of the acoustic frequency. HTRI requires these deresonating baffles must be parallel to both the direction of crossflow and the centerline of the tubes. These baffles shall extend at one side of the bundle as far as possible towards the shell wall. HTRI may give you the most optimized type, size, quantity, and location of the deresonating baffles.

Here are some references.

References
1. Several Heat Exchanger Design Handbooks (English, Korean, and Japanese Version)
2. Heat Exchangers-Selection, Design and Construction by E.A.D. Saunders
3. Working with Heat Exchangers by J.P. Gupta
4. Handbook of Evaporation Technology
5. Journal of Pressure Vessel Technology, Vol.116, p141, May 1994
6. TEMA, 9th edition, V12.51
7. HTRI or HTFS (and their articles)

감사합니다.
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