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| Titel: |
Performance Improvement of Thermosyphon Heat Exchangers by Using Two Kinds of Working Fluids |
| Auteur: |
Nuntaphan, A. Tiansuwan, J. Kiatsiriroat, T. Wang, C. C. |
| Verschenen in: |
Heat transfer engineering |
| Paginering: | Jaargang 22 (2001) nr. 4 pagina's 28-40 |
| Jaar: |
2001-07-01 |
| Inhoud: |
In this study, the concept of introducing two-fluid thermosyphons is examined. Calculations were performed for both low and high temperature ranges with parallel and counter-flow arrangements. For lower-temperature application, 125°C > Thi > 75°C, use of ammonia in some rows and water in the rest of the thermosyphon can slightly improve the associated heat transfer performance for balanced counter-flow arrangement. However, for balanced parallel-flow arrangement in both lowand high-temperature applications, the concept of using two-fluid thermosyphons may not be feasible. The use of two-fluid thermosyphons is especially advantageous for high-temperature applications. For instance, in the range of 375°C > Thi > 350°C, the two-fluid thermosyphons (Dowtherm A-water) shows a 15-99% increase of heat transfer performance relative to Dowtherm A alone. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 148 van 200 gevonden artikelen
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