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Forced convection heat transfer from vertically stacked fin arrays with a shrouding wall

✍ Scribed by K.C. Toh; K.C. Leong; T.G. Lim; Y.K. Ong

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
425 KB
Volume
19
Category
Article
ISSN
0735-1933

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✦ Synopsis

An experimental investigation of heat dissipation from vertically stacked fin arrays subjected to varying air velocities was carried out. The fin arrays essentially form the heated wall of a narrow duct under forced air flow. Although heat dissipation is primarily by convection to the airstream, radiation to the cooler shrouding wall is also signitieant. Results show that for a finned duet wall, the Nusselt numbers fall within the limits of flow between parallel plates and flow in a square duct. An empirical equation is proposed for the range of geemetrieal fin parameters and velocities encountered in our studies. A design procedure and design charts for predicting heat dissipation from a I'm array under specified maximum design conditions are also given.

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Forced heat convection heat transfer from shrouded staggered fin arrays
✍ C. Schenone; G. Tanda πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 376 KB

The heat transfer characteristics of staggered, frontally shrouded fin arrays have been studied experimentally, in the case of forced convection of air. Nusselt number and Colburn number are given, for the range of Reynolds numbers from 2000 to 12000. The local Husselt number distributions signal th