International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Heat Transfer Performance in Double Pipe Heat Exchangers: A Comprehensive Review

Prof. Niraj A. Dakhore, Prof. Ashish V. Kadu, Prof. Ankit A. Jiwarkar

Abstract :

This review paper provides a comprehensive analysis of the heat transfer performance of Double Pipe Heat Exchangers, a crucial component in thermal engineering applications. The focus of this review is on the construction, working principles, and enhancement techniques of DPHEs, with a particular emphasis on the factors influencing their thermal performance. Key findings highlight the significant impact of flow arrangement, fluid properties, and geometric modifications on heat transfer efficiency. The enhancements such as twisted tape inserts, hybrid nanofluids, and finned tubes have been shown to substantially improve performance, although they introduce trade-offs in pressure drop and maintenance. The review also identifies current challenges, including material compatibility, fouling, and the need for energy-efficient solutions in industrial settings. Furthermore, future research directions are explored, particularly in the areas of smart monitoring, eco-friendly fluids, and multi-objective optimization. This paper suggested with recommendations for further investigations into innovative materials, manufacturing techniques, and the integration of digital technologies for real-time performance optimization.

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