Analisa perpindahan Panas Untuk Objek Es yang Mencair di Udara  

Oleh:

Gunawan, Harjadi

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI - atma jaya
Dalam koleksi: Metris: Jurnal Mesin, Elektro, Industri dan Sains vol. 5 no. 3 (Sep. 2004), page 171-179.
Topik: ICE; pencairan es di udara; konveksi alamiah
Fulltext: hal 171-179.pdf (290.41KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM42.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Two different objects of ice were cast and each was allowed to melt in air. Each object was suspended by a string from a cantilevered beam that had strain gages attached. The gages were calibrated so that the weight of each object was known during the phase change process. Data on weight versus time were obtained and used to calculate instantaneous values of the natural convection coefficient. Nusselt and Rayleigh numbers were also calculated. The geometry and therefore the surface area and volume of each object changed during the melting process. Results were compared and combined with an earlier study and anoverall equation was derived. It was found that the data were well described with.

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