Studi Teoritik Jari-Jari Kritis Isolasi Suatu Selinder dengan h Variabel  

Oleh:

Gunawan, Harjadi

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI - atma jaya
Dalam koleksi: Metris: Jurnal Mesin, Elektro, Industri dan Sains vol. 1 no. 4 (Dec. 2000), page 1-4.
Topik: isolasi mortilitas; combined Natural Convection; Conduction; Critical Insulation Radius
Fulltext: Studi teoritik jari-jari kritis isolaso suatu silinder dengan h variabel.pdf (2.48MB)

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Perpustakaan Pusat (Semanggi) Nomor Panggil: MM42.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

In the derivation of the critical insulation radius for a cylinder, it was assumed that the average heat transfer coefficient h is a constant. From analysis of natural convection, the average heat transfer coefficient depends not only on the vertical size of the body but also on the wall-fluid temperature difference. In this paper has been developed a method for calculating numerically the total heat transfer rate through the insulation, as a function of the outer radius when the average heat transfer coefficient h is not constant. The critical insulation radius for which total heat transfer rate reaches its maximum has been determined.

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