Numerical Study of Developing Flow and Heat Transfer in A Wavy Passage  

Oleh:

Stone, K. ; Vanka, S. P.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Fluids Engineering vol. 121 no. 4 (1999), page 713-718.
Topik: numerical method; numerical study; developing flow; heat transfer; wavy passage

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ89.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Developing flow and heat transfer in a wavy passage are studied using a numerical scheme that solves the two - dimensional unsteady flow and energy equations. Calculations are presented for a wavy channel consisting of 14 waves. Time - dependent simulations have been performed for several Reynolds numbers. At low Reynolds numbers, the flow is steady in the complete channel. As the Reynolds number is progressively increased, the flow becomes unsteady. As a result of the unsteadiness, there is increased mixing between the core and the wall fluids, thereby increasing the heat transfer rate. With further increase in Reynolds number, the flow becomes unsteady at a much earlier spatial location.

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