Artikel Jurnal :: Kembali

Artikel Jurnal :: Kembali

Two- phase flow boiling heat transfer of R-410A and R-134A in horizontal small tubes

([Fakultas Teknik UI, Chonnam National University. Department of Refrigeration and Air Conditioning Engineering], 2011)

 Abstrak

Experimental investigation on two-phase flow boiling heat transfer of R-410A and R-134A in horizontal small tubes is reported. The pressure drop and local heat transfer coefficients were obtained over heat flux range of 5 to 40 kW/m2, mass flux range of 70 to 600kg/ m2s, saturation temperature range of 2 to 12°C, and quality up to 1.0 in test section with inner tube diameters of 3.0 and 0.5mm, and lengths of 2000 and 330mm, respectively. The section was heated
uniformly by applying a direct electric current to the tubes. The effects of mass flux, heat flux, and inner tube diameter on pressure drop and heat transfer coefficients are presented. The
experimental results are compared against several existing correlations. A new boiling heat transfer coefficient correlation based on the superposition model for refrigerants in small tubes
is also presented.

 Metadata

Jenis Koleksi : Artikel Jurnal
No. Panggil : pdf
Subjek :
Penerbitan : [Place of publication not identified]: [Fakultas Teknik UI, Chonnam National University. Department of Refrigeration and Air Conditioning Engineering], 2011
Sumber Pengatalogan :
ISSN :
Majalah/Jurnal : International Journal of Technology
Volume : Vol. 2, No. 2 Juli 2011: 139-146
Tipe Konten :
Tipe Media :
Tipe Carrier :
Akses Elektronik : http://www.ijtech.eng.ui.ac.id/File/Volume%202%20Issue%202%20Pages%20139%20-%20146.pdf
Institusi Pemilik : Universitas Indonesia
Lokasi : Fakultas Teknik UI
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