期刊
EXPERIMENTAL HEAT TRANSFER
卷 30, 期 3, 页码 192-204出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/08916152.2016.1233146
关键词
blocked surface; turbulent intensity; heat transfer; flow separation
资金
- Uludag University [OUAP M-2013/9]
Heat transfer and flow measurements were recorded over blocked surfaces to investigate the effects of flow velocity and block shape on flow separation and heat transfer. The results indicated that the flow separation occurred particularly on the first block and after the last blocks. The flow separation and block thickness resulted in higher turbulence and heat transfer, particularly in laminar flow. The average Stanton number increased as high as 125% in laminar, 80% in transitional, and 50% in turbulent flows above those of flat plate values. A new empirical equation indicated a good agreement with the experimental and numerical results.
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