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Thermodynamic and geometrical characteristics of mixed convection heat transfer in the shell and coil tube heat exchanger with baffles
Abstrakt
The article presents passive heat transfer enhancement method in the form of baffles to increase the energy efficiency of the shell coil heat exchanger. Conducted literature review shows that, despite numer- ous studies, there is little work on the intensification of heat transfer at the shell side. Most of the work focuses on the impact of geometrical parameters of the coil itself. This article successfully proves that it is possible to increase the efficiency of heat exchange in the heat exchanger shell type coil with baffle inserts. This work shows that, due to the presence of mixed convection, natural convection has a signif- icant effect for small values of Reynolds numbers and large heat flux. Also, the baffle and inlet configu- ration have a high impact on results. Presented simple experimental correlation gives a satisfactory compliance with experimental results. It should be noted that the correlation can be applied for all of the presented heat exchanger configurations.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
APPLIED THERMAL ENGINEERING
nr 121,
strony 115 - 125,
ISSN: 1359-4311 - Język:
- angielski
- Rok wydania:
- 2017
- Opis bibliograficzny:
- Andrzejczyk R., Muszyński T.: Thermodynamic and geometrical characteristics of mixed convection heat transfer in the shell and coil tube heat exchanger with baffles// APPLIED THERMAL ENGINEERING. -Vol. 121, (2017), s.115-125
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.applthermaleng.2017.04.053
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 129 razy