Heat Transfer During Wind Flow over Rectangular Bodies in the Natural Environment

Journal of Heat Transfer - Tập 103 Số 2 - Trang 262-267 - 1981
F. L. Test1, R. C. Lessmann1, A. Johary1
1Department of Mechanical Engineering and Applied Mechanics, University of Rhode Island, Kingston, RI 02881

Tóm tắt

An experimental investigation has been performed to determine the constant temperature heat transfer behavior on the upper surface of a rectangular plate with a chord length of 122 cm (48 in.), a width of 81.3 cm (32 in.) and a thickness aspect ratio of 6/1. Special side attachments were made in order to maintain approximately two-dimensional flow over the finite width body when exposed to varying wind directions. The angle of attack was 40 deg or greater. Quasi-local values of STRe were found to be 200 percent higher than wind tunnel values and 300 percent higher than analytical predictions. The disturbance intensity of the wind flow was in the range of 20 to 50 percent and is thought to be related to the increase in heat transfer since the flow over the plate was found to be laminar.

Từ khóa


Tài liệu tham khảo