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Главная Архив Thermal Letter Оргкомитет Будущие конференции AIHTC
International Heat Transfer Conference 6

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

EFFECT OF FREE-STREAM TURBULENCE ON THE HEAT TRANSFER IN THE TURBULENT BOUNDARY LAYER

Anupras Slanciauskas
Lithuanian Energy Institute, Breslaujos str. 3, LT-44403 Kuanas, Lithuania

Antanas Pedisius
Lithuanian Energy Institute, Siluminø árenginiø tyrimo ir bandymø laboratorija, Breslaujos str. 3, LT-44403 Kaunas, Lithuania

DOI: 10.1615/IHTC6.1050
pages 513-517

Аннотация

Experimental results are presented for the effects of free-stream turbulence on the heat transfer through the turbulent boundary layer on a flat plate. An increase of wall friction with the consequent increase of the heat transfer was noted. From the mean-and fluctuating velocity values, different increase rates of the turbulent transport for the near-wall and the outer region are determined. The major part of tests were performed in air-flow. The ranges of Tu ≤ 0.2, Reδ** ≤ 7·103, Rex ≤ 5· 106 are covered. The analytical part was based on the hypothesis of mixing length.

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