Heat Transfer in Direct Contact Condensation of Steam to Subcooled Water Spray  

Oleh:

Takahashi, Minoru ; Murakoso, Hiroyuki ; Nayak, Arun Kumar ; Kitagawa, Shin-ichi

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 123 no. 4 (Aug. 2001), page 703-710.
Topik: condensation; heat transfer; condensation; steam; subcooled water spray

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The condensation heat transfer of saturated steam to a hollow - cone spray of subcooled water was investigated experimentally and analytically. The spray water temperature rose more steeply in flow direction than those in the previous studies, because of the use of smaller thermocouple which was capable of measuring the temperature in a thin water sheet and water droplets more accurately. The result of the condensation heat transfer coefficient suggested the breakup of the water sheet into droplets. A pure conduction model underpredicted the heat transfer in the sheet region significantly, which was better predicted by considering turbulence in the sheet. The heat transfer in the droplet region was well estimated by considering internal circulation and mixing inside the droplets.

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