On The Prediction of Local Ice Information in Pipes in The Presence of Natural Convection  

Oleh:

Keary, A. C. ; Bowen, R. J.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 121 no. 4 (Nov. 1999), page 934-944.
Topik: INFORMATION; prediction; local ice information; pipes; presence of natural; convection

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Pipe freezing is a pipeline maintenance technique which is used to isolate sections of a liquid - filled pipeline by freezing the contents to form a solid pressure - resistant plug. This paper describes the development of a numerical model of natural convection and solidification in a vertical water - filled pipe. The natural convection -d riven flows are examined in detail and the interaction with the forming ice plug is studied. The results are compared with experimental data. The numerical approach is contrasted with a simpler one - dimensional analytical method and criteria are proposed to aid the choice of modeling technique under different conditions.

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