Friction and heat transfer characteristics of laminar swirl flow through the round tubes inserted with alternate clockwise and counter-clockwise twisted-tapes
International Communications in Heat and Mass Transfer, 2011
The thermohydraulic characteristics of the circular tubes equipped with alternate clockwise and c... more The thermohydraulic characteristics of the circular tubes equipped with alternate clockwise and counter-clockwise twisted-tapes (TA) for the Reynolds number ranging from 830 to 1990, are reported. In the experiments, the twisted tapes with three different twist ratios (y/W=3, 4 and 5) were inserted individually into the uniform wall heat flux tubes where water was utilized as the working fluid. The
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