Heat Transfer and Flow Analysis in a Circular Tube Equipped with Triangular Helical Strip Inserts Under Turbulent Flow Conditions for the Application of Boiler

Adgale, Tushar; Zainith, Prabhakar; Mishra, Niraj Kumar; Sharma, Anshul

doi:10.1007/s10765-022-03112-y

Int J Thermophys

2022

DOI: 10.1007/s10765-022-03112-y

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Heat Transfer and Flow Analysis in a Circular Tube Equipped with Triangular Helical Strip Inserts Under Turbulent Flow Conditions for the Application of Boiler

Tushar Adgale

Prabhakar Zainith

Niraj Kumar Mishra

et al.

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Cited by 4 publications

References 44 publications

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Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Rahman,

Hasnain

2024

Heat Trans

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Heat exchangers are crucial in transferring heat and finding applications across various industries. Numerous strategies have been devised to improve and optimize the heat transfer process within these systems. Among these, passive methods have garnered significant attention for their ability to operate without external power consumption. This article examines the recent experimental and computational studies conducted by researchers since 2018 on passive enhancement techniques, especially twisted tape, wire coil, swirl flow generator, and others, to boost the thermal efficiency of heat exchangers and aid designers in adopting passive augmentation methods for compact heat exchangers. Recently, researchers' new class of flow maldistribution devices, referred to as swirl flow devices, has gained attention; which enhances convective heat transfer by introducing swirl into the main flow and disrupting the boundary layer at the tube surface through alterations in surface geometry. Twisted tape inserts are devices that demonstrate better performance in laminar flow compared to turbulent flow. Conversely, other passive techniques like ribs, conical nozzles, and conical rings are generally more effective in turbulent flow than laminar flow. A recent research trend is the utilization of nanofluids in combination with other passive heat transfer enhancement techniques like turbulators, ribs, and twisted tape inserts in heat exchangers, which can reduce exergy losses and improve overall convective heat transfer coefficient and effectiveness of heat exchanger.

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Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Rahman,

Hasnain

2024

Heat Trans

View full text Add to dashboard Cite

show abstract

Study the effect of innovative active and passive methods on thermal characteristics and turbulent flow behaviour in a heat exchanger pipe

Banihashemi,

Assari,

Javadi

et al. 2024

J Therm Anal Calorim

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Experimental and numerical evaluation of heat transfer enhancement by internal flow excitation

Vahidifar

Banihashemi

2023

International Journal of Thermal Sciences

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Heat Transfer and Flow Analysis in a Circular Tube Equipped with Triangular Helical Strip Inserts Under Turbulent Flow Conditions for the Application of Boiler

Cited by 4 publications

References 44 publications

Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Study the effect of innovative active and passive methods on thermal characteristics and turbulent flow behaviour in a heat exchanger pipe

Experimental and numerical evaluation of heat transfer enhancement by internal flow excitation

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