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Heat Transfer Analysis of a Plate Heat Exchanger with a Combination of Ribs and Dimples using CFD

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Heat Transfer Analysis of a Plate Heat Exchanger with a Combination of Ribs and Dimples using CFD


Prof. Pushparaj Singh | Navin Kumar



Prof. Pushparaj Singh | Navin Kumar "Heat Transfer Analysis of a Plate Heat Exchanger with a Combination of Ribs and Dimples using CFD" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-6 | Issue-4, June 2022, pp.1273-1281, URL: https://www.ijtsrd.com/papers/ijtsrd49887.pdf

The advancements and improvements in all heat transfer equipment’s are primarily intended to save energy and reduce project capital investment expenses (energy or material). A better heat exchanger is one that can transfer a high heat rate while using a low pumping power and at a cheap cost. Passive heat transfer enhancement techniques have various benefits over other heat transfer enhancement techniques, including low cost, ease of fabrication, and installation. Rib turbulators can enhance heat transmission significantly, but they generally come at a considerable cost in terms of pressure loss. Dimple techniques have lately gained popularity because to their ability to promote heat transmission while imposing a minor pressure penalty. When dimple surfaces are mixed with nanofluids, some studies have seen increased heat transmission, but the key concern is an increase in the system's friction factor, which is also regulated within acceptable ranges. The thermal characteristics of a heat exchanger with a combination of dimple ribs were evaluated using a 3-dimensional numerical (3-D) simulation. The subject of this study is the handling of air flow velocity through the channel, which was changed from 3.97 to 5.80 m/s. The simulation programme ANSYS 19.2 was used to investigate the heat transfer physiognomies of a heat exchanger managing a combination of dimple ribs. The numerical findings revealed that the combination of dimple ribs greatly improved heat transmission over the dimple alone. In comparison, the average Nusselt number of a channel with dimpled Plate is 4.28 percent more than that of a channel with dimpled ribs.

Surface enhancement, dimples and ribs, heat transfer characteristic, friction factor, Nusselt number, thermal performance, CFD


IJTSRD49887
Volume-6 | Issue-4, June 2022
1273-1281
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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