Numerical modeling of heat transfer of channel with shallow curly dimples
https://doi.org/10.15514/ISPRAS-2017-29(5)-16
Abstract
Numerical investigation is focused to heat transfer of rectangular channel with dimples. Developed model was tested for adequacy by simulating of experiment, conducted by Kazan National Research Technical University named after A. N. Tupolev - KAI. Numerical model was verified too for adequacy by reproducing of experiment by A. Tsynaeva, S. Razorenov. The test has been held with Reynolds number Re=3000...30000. The results was found in enough agreement. The heat transfer in rectangular channel with shallow curly dimples was modeled with source Code_Sarurne. Numerical modeling are based by RANS approach with k-w SST model. The study was conducted to air (ν=13.28 10-6 m2/s, J/(kg.K) ). The 3D computation domain was meshed with source Salome by version 7.6.0. The SIMPLEC algorithm are used for U-p calculation. Generation time of mesh and calculation was estimated. The study of heat transfer was demonstrated by efficiency of curly dimples. Developed model shows heat transfer advantage up to 15.6 % of curly dimples over cylindrical ones of the same depth ( h/D =0.11, h= 2 mm) and contact patch area (S = 252.02 mm2).
About the Authors
A. . Tsynaeva
Samara State Technical University
Russian Federation
Russian Federation
S. . Razorenov
Tatneft-Privolga-Samara RNU
Russian Federation
Russian Federation
V. . Belaya
Samara State Technical University
Russian Federation
Russian Federation
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Review
For citations:
Tsynaeva A., Razorenov S., Belaya V. Numerical modeling of heat transfer of channel with shallow curly dimples. Proceedings of the Institute for System Programming of the RAS (Proceedings of ISP RAS). 2017;29(5):329-344. (In Russ.) https://doi.org/10.15514/ISPRAS-2017-29(5)-16
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