Analysis of Dual Heat Sources in a Partially Open Enclosure | Zendy

Matthew McGarry | Zendy; James G. Kohl | Zendy

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Analysis of Dual Heat Sources in a Partially Open Enclosure

Author(s) -

Matthew McGarry,

James G. Kohl

Publication year - 2013

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1155/2013/126353

Subject(s) - nusselt number , enclosure , rayleigh number , mechanics , rayleigh scattering , aspect ratio (aeronautics) , thermodynamics , geometry , natural convection , materials science , physics , mathematics , heat transfer , reynolds number , turbulence , engineering , optics , composite material , electrical engineering

In this study a partially open enclosure with two heat sources is examined to determine the Nusselt number along the hot wall. The first part of the study examines the effect of the Rayleigh number ratio on the Nusselt number. The largest Rayleigh number ratio results in the highest magnitude of the Nusselt number. The second part of the study examines what happens to the Nusselt number along the hot wall as the Rayleigh number ratio for the two blocks is different. This situation can arise when the two blocks have unequal heat source values. The largest Nusselt numbers correspond to the situation when the block along the top wall has a Rayleigh number ratio that is ten times higher than the Rayleigh number ratio for the block along the hot wall. The largest Nusselt number magnitudes can be attributed to the strong vortex in the corner near the hot wall

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