Open AccessNumerical investigation of flow characteristics over dimpled surface
Author(s) -
Mingwei Ge
Publication year - 2016
Publication title -
thermal science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.339
H-Index - 43
eISSN - 2334-7163
pISSN - 0354-9836
DOI - 10.2298/tsci1603903g
Subject(s) - dimple , turbulence , drag , materials science , mechanics , flow (mathematics) , channel (broadcasting) , surface (topology) , physics , computer science , composite material , geometry , mathematics , telecommunications
Flow characteristics over dimpled surface are studied numerically for a fully developed turbulent channel. The results show that dimples can effectively activate the near wall turbulence and cause an increase of total drag. The dimple depth also plays an important role in enhancement of hear transfer
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