Open AccessReview: The flow and heat transfer investigation inside tapered and straight two pass channels with rib turbulators
Author(s) -
Hassan Barakat,
Riyadh S. Al-Turaihi
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/877/1/012016
Subject(s) - turbulator , heat transfer , mechanics , materials science , curvature , heat transfer enhancement , flow (mathematics) , rib cage , inlet , channel (broadcasting) , thermodynamics , mechanical engineering , heat transfer coefficient , structural engineering , engineering , turbulence , reynolds number , physics , geometry , telecommunications , mathematics
This paper is a review of the number of experimental and CFD experiments performed with rib turbulators about the heat transfer and the at two pass channel. In respect to achieve higher thermal efficiency of gas turbines, efforts are made to raise the inlet temperature. The secondary fluxes resulting from the rib and U-shaped curvature play an important role enhancing heat transfer in the two pass ribbed channels. The ribs on the internal surface of cooling passage will increase the strength of heat transfer. This paper deals with the effect of tapered and straight two-pass channels with the influence of the variable rib cross-section on flow and heat transfer enhancement