EFFECTS OF THE RECTANGULAR GROOVE DIMENSIONS ON THE THERMAL FEATURES OF THE TURBULENT AL2O3-WATER NANOFLUID FLOW IN THE GROOVED TUBES

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MOHEBBI KUMAYL; RAFEE ROHOLLAH; TALEBI FARHAD

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Journal: JOURNAL OF HEAT AND MASS TRANSFER RESEARCH Year:2015 | Volume:2 | Issue:1 Page(s): 59-70

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Title

EFFECTS OF THE RECTANGULAR GROOVE DIMENSIONS ON THE THERMAL FEATURES OF THE TURBULENT AL2O3-WATER NANOFLUID FLOW IN THE GROOVED TUBES

Author(s)

MOHEBBI KUMAYL | RAFEE ROHOLLAH | TALEBI FARHAD | Issue Writer Certificate

Keywords

NANOFLUIDQ2

GROOVED TUBEQ2

TURBULENT FLOWQ2

FORCED CONVECTIONQ2

ENTROPY GENERATIONQ3

MINIMIZATIONQ3

Abstract

The FORCED CONVECTION heat transfer of turbulent Al2O3-water NANOFLUID flow inside the GROOVED TUBEs with the different aspect ratio of the rectangular grooves is numerically investigated. The governing equations have been solved using finite volume method (FVM) coupled with SIMPLE algorithm. It is assumed the heat flux is constant on the grooved walls. The Single-phase approach is applied for the computation of the NANOFLUID flow. The Nanoparticles volume fraction is in the range of 0-5% and flow Reynolds number is in the range of 10, 000-35, 000. Comparisons between the numerical results and available experimental data show that among different turbulence models, k-e model with enhanced wall treatment gives the better results. The results show that the heat transfer coefficient increases with nanoparticles volume fraction and Reynolds number but it is accompanied by pressure drop augmentation. From the results, it is concluded that the GROOVED TUBEs with Al2O3-water NANOFLUID flow are thermodynamically advantageous. The Correlations for heat transfer coefficients have been presented for GROOVED TUBEs in different aspect ratios using the numerical results. The optimum geometric ratios in which the ENTROPY GENERATION is minimized are also determined.

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APA: Copy

MOHEBBI, KUMAYL, RAFEE, ROHOLLAH, & TALEBI, FARHAD. (2015). EFFECTS OF THE RECTANGULAR GROOVE DIMENSIONS ON THE THERMAL FEATURES OF THE TURBULENT AL₂O₃-WATER NANOFLUID FLOW IN THE GROOVED TUBES. JOURNAL OF HEAT AND MASS TRANSFER RESEARCH, 2(1), 59-70. SID. https://sid.ir/paper/255493/en

Vancouver: Copy

MOHEBBI KUMAYL, RAFEE ROHOLLAH, TALEBI FARHAD. EFFECTS OF THE RECTANGULAR GROOVE DIMENSIONS ON THE THERMAL FEATURES OF THE TURBULENT AL₂O₃-WATER NANOFLUID FLOW IN THE GROOVED TUBES. JOURNAL OF HEAT AND MASS TRANSFER RESEARCH[Internet]. 2015;2(1):59-70. Available from: https://sid.ir/paper/255493/en

IEEE: Copy

KUMAYL MOHEBBI, ROHOLLAH RAFEE, and FARHAD TALEBI, “EFFECTS OF THE RECTANGULAR GROOVE DIMENSIONS ON THE THERMAL FEATURES OF THE TURBULENT AL₂O₃-WATER NANOFLUID FLOW IN THE GROOVED TUBES,” JOURNAL OF HEAT AND MASS TRANSFER RESEARCH, vol. 2, no. 1, pp. 59–70, 2015, [Online]. Available: https://sid.ir/paper/255493/en

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