Air-Side Heat Transfer Enhancement Using Vortex Generators on Heat Transfer Surfaces- A Comprehensive Review

Document Type : Review Article

Authors

1 Department of Mechanical Engineering , Bhagwant University Ajmer, Rajasthan, 305023, India

2 Department of Mechanical Engineering, BGS College of Engineering and Technology, Bengaluru, 560086, India

3 Department of Mechanical Engineering Sinhgad College of Engineering, Pune, 411041, India

4 Department of Robotics and Artificial Intelligence, Bangalore Institute of Technology, Bengaluru, 560004, India

5 University Centre for Research and Development, Chandigarh University, Mohali, Punjab, 140413, India

6 Department of Civil Engineering, Dijlah University College, Baghdad, 00964, Iraq

7 Department of Chemical Engineering and Petroleum Industries, Al-Mustaqbal University College, Babylon, 51001, Iraq

8 Department of Buildings and Construction Techniques Engineering, College of Engineering, Al-Mustaqbal University, Hillah, Babylon, 51001, Iraq

Abstract

The main purpose of this article is to provide a critical analysis of published research on these heat transfer surfaces. Important experimental methods and numerical procedures are explained, and many types of vortex generators are described. The phenomenon of flow attributed to vortex generators mounted, connected, pierced, or placed inside surfaces that transmit heat was also examined. In addition, recommendations for applying vortex generator (VGs) technology to improve air-side heat transfer are provided, as well as information on the thermal performance of newly proposed VG heat transfer surfaces. The performance of air-side heating surfaces can often be significantly improved through the use of vortex generators. However, their effectiveness can be greatly affected by many factors, including fluid flow rate, pipe geometry (diameter, shape, pitch, in-line or staggered configuration), fin type, and geometry of the vortex generator (height, length, shape, angle of attack, etc.). Circular fin-tube heat exchangers generally perform worse in terms of thermal-hydraulic efficiency than flat-tube-fin and oval-tube-fin heat-exchanging devices, and more recently, suggested vortex generators. Most current heat exchanger optimization methods focus only on thermal-hydraulic performance.

Keywords

Main Subjects

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  • Receive Date: 13 April 2024
  • Revise Date: 31 July 2024
  • Accept Date: 21 August 2024

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