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

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Bansode Vaibhav Harishchandra; Verma Munna; Naik Channa Keshava; Pandhare Amar; Anjinappa Chandrashekar; Prakash Chander; Mohammed Salah Jasim; Majdi Hasan Shakir; Majdi Ali

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Journal Paper

Paper Information

Journal: JOURNAL OF HEAT AND MASS TRANSFER RESEARCH Year:2024 | Volume:11 | Issue:2 Page(s): 255-272

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Title

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

Author(s)

Keywords

Vortex generators

heat exchange surface

Thermal transfer enhancer

pressure-drop penalty

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.

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