Heat transfer Enhancement using Nano fluids in a Wavy Heat Exchanger
Devath Ashok1, P. N. Reddy2, B. Shirish3, T. Ch. Siva Reddy4
1Devath Ashok, Scholar, Department of Mechanical Engineering, Sreenidhi Institute of Science and Technology, Ghatkesar, Hyderabad, (Telangana), India.
2P. N. Reddy, Associate Professor, Department of Mechanical Engineering, Sreenidhi Institute of Science and Technology, Ghatkesar, Hyderabad, (Telangana), India.
3B. Shirish, Assistant professor, Department of Mechanical Engineering, Sreenidhi Institute of Science and Technology, Ghatkesar, Hyderabad, (Telangana), India.
4T. Ch. Siva Reddy, Professor, Department of Mechanical Engineering, Sreenidhi Institute of Science and Technology, Ghatkesar, Hyderabad, (Telangana), India.
Manuscript received on September 23, 2019. | Revised Manuscript received on October 15, 2019. | Manuscript published on October 30, 2019. | PP: 4688-4683 | Volume-9 Issue-1, October 2019 | Retrieval Number: A9966109119/2019©BEIESP | DOI: 10.35940/ijeat.A1869.109119
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The Nano liquids have higher estimations of thermal conductivity than those of the unadulterated fluids and more prominent potential for heat transfer upgrade, in this exploration, a solitary – stage invention approach is utilized to investigate the effect of nanoadditive shape on the liquid stream and heat transfer parts of γ-AlOOH (boehmite alumina), nano liquid streaming however a 3D wavy blade, The γ-AlOOH (boehmite alumina) nanoadditives of shape (platelet) are spread in half water 50%ethylene glycol mix as the base liquid. The effect of the Reynolds number and nano added substance of volume portion on the Nusselt number is numerically considered for platelet molded nanoadditive. It is shows that, among the considered Reynolds number (100,400,700) with the platelet shape. At Reynolds number=700 speaks to the most elevated Average Nusselt Number, heat transfer execution and pressure drop, while the at Reynolds number=100 execution is low. What’s more, in addition, the computing shows that for all conditions improvement the Reynolds number raises the Nusselt number and weight drop of the γ-AlOOH nano-liquid. What’s more that, it is discovered that builds the nanoadditive portion prompts an improvement in the Nusselt number of the assessed nano-fluids.in platelet shape at all states of pressure drop increments with expansion of nano particles with base liquid.
Keywords: Nusselt number; Nano fluids; Reynolds Number, Heat transfer rate, pressure drop, γ-AlOOH (boehmite alumina).