Geometrical Performance Evaluation of a Laboratory-Scale Heat Exchanger

Thatoi, Dhirendra Nath; Chowdhury, Diptark; Mahapatro, Abinash; Choudhury, Sasanka

doi:10.1007/978-981-33-4795-3_37

Lecture Notes in Mechanical Engineering

2021

DOI: 10.1007/978-981-33-4795-3_37

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Geometrical Performance Evaluation of a Laboratory-Scale Heat Exchanger

Dhirendra Nath Thatoi

Diptark Chowdhury

Abinash Mahapatro

et al.

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2024

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Influence of the cross-sectional geometry of the heat exchanger element on heat flow and pressure drop

Soloveva,

Solovev,

Shakurova

et al. 2024

E3S Web of Conf.

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This paper examines the influence of the geometry of the heat exchanger element on heat flow, pressure drop, outlet temperature and energy efficiency. By numerical modeling in a two-dimensional formulation, we solved the problem of convective heat transfer when air flows transversely around one and three rows of heated elements of different cross-sections. The following cross-sectional shapes of heated elements are: circle, trefoil, trefoil (mirrored), quatrefoil, cinquefoil and cinquefoil (mirrored). Calculations were carried out using ANSYS Fluent v. 19.2 at the following air flow velocities: 0.01; 0.05; 0.25 and 1.25 m/s. The research results showed that when flowing around one row of elements, the highest energy efficiency is provided by elements with a trefoil shape in cross-section. When flowing around three rows of elements at lower air flow velocities (0.01, 0.05, and 0.25 m/s), trefoil-shaped elements also have the best energy efficiency values, and only at an air flow velocity of 1.25 m/s elements with a trefoil cross-section inferior by 3.67% to elements with a cinquefoil (mirrored) cross-section.

show abstract

Influence of the cross-sectional geometry of the heat exchanger element on heat flow and pressure drop

Soloveva,

Solovev,

Shakurova

et al. 2024

E3S Web of Conf.

View full text Add to dashboard Cite

show abstract

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Geometrical Performance Evaluation of a Laboratory-Scale Heat Exchanger

Cited by 1 publication

References 12 publications

Influence of the cross-sectional geometry of the heat exchanger element on heat flow and pressure drop

Influence of the cross-sectional geometry of the heat exchanger element on heat flow and pressure drop

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