Development of improved heat transfer of double helical pipe heat exchangers using nano-fluids and perforated curved tabulators

Development of improved heat transfer of double helical pipe heat exchangers using nano-fluids and perforated curved tabulators

This study examines a helical double-pipe heat exchanger's thermal and fluid flow performance incorporating a curved perforated turbulator and hybrid nanofluids. Two nanofluids, Al2O3-TiO2/water, and Ag-HEG/water, were compared with pure water and a baseline case without a turbulator to evaluat...

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Bibliographic Details
Main Authors: Lotfi Ben Said, Ali B.M. Ali, As'ad Alizadeh, Kuwar Mausam, Saurav Dixit, Rifaqat Ali, Mohammed A. Tashkandi, Lioua Kolsi
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Case Studies in Thermal Engineering
Subjects:
Double-tube heat exchanger
Turbulator
Vortex generator
Hybrid nanofluid
Thermal performance
Numerical examination
Online Access:http://www.sciencedirect.com/science/article/pii/S2214157X25003661
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