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Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference December 14-17, 2023, IIT Patna, Patna-801106, Bihar, India
December, 14-17, 2023, Bihar, India
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EFFECT OF PERFORATIONS IN DOUBLE TWISTED TAPE INSERTS FITTED IN CYLINDRICAL TUBE HEAT EXCHANGER

Get access (open in a dialog) DOI: 10.1615/IHMTC-2023.840
pages 515-521
Bipin Kumar
Department of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, India; Uttarakhand Technical University, Dehradun, Uttarakhand, India
Anil Kumar Patil
Department of Mechanical Engineering, DIT University, Dehradun-248009, Uttarakhand, India
Manoj Kumar
Department of Mechanical Engineering, DIT University, Dehradun, Uttarakhand, India

Resumo

The current experimental work investigates the augmentation of energy transfer through a cylindrical system as a heat exchanger by using novel Perforated single and Double twisted tapes in co-swirl and counter-swirl (CO/COT) arrangements. The experiments are performed from the range of Reynolds number 10449 - 22,773 for a fixed twist ratio of 2. The Experimental results show that the enhancement in Nusselt number for the counter-swirl (COT) arrangement of twisted tape is greater than the co-swirl (CO) arrangement of twisted tape. The Nusselt number enhancement attains the maximum value of 2.34 for the perforated double twisted tape with counter-swirl arrangement.