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Energy and the Environment, 1998

ISBN:
1-56700-127-0 (Imprimer)

TURBULENT FLOW HEAT TRANSFER AND PRESSURE DROP IN A PIPE HAVING SEVERAL GEOMETRICAL SHAPED INSERTS

M. E. Arici
Mechanical Engineering Department, Karadeniz Technical University, Trabzon 61080, Turkey

T. Kaya
Mechanical Engineering Department, Karadeniz Technical University, Trabzon 61080, Turkey

Résumé

An experimental study is presented for turbulent flow in a pipe having several geometrical shaped inserts. Ring, square profile and triangular profile shaped inserts were used as turbulent promoters to enhance heat transfer in forced convection pipe flow. Experimentally obtained Nusselt number and friction factor values were presented as a function of Reynolds number. The variation of heat transfer and pressure drop characteristics with respect to the empty pipe values were determined. Uncertainty analysis is also performed