Effect of wire coil turbulators on pressure drop and heat transfer augmentation in a circular tube

Kasturi, Madhu; Junaid, Mohammed A.; Awate, Yogesh. S.; Acharya, Anal

doi:10.1109/iciiecs.2017.8276115

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2018

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“…The results shows that centrally hollowed twisted tape are good high performance tube inserts and also friction factor increment is less as compared with the heat transfer enhancement. Madhu kasturi [9] experimentally studied the effect circular cross section wire insert having three different pitches in the turbulent regime. Results revels that Nusselt number and friction factor values are higher than that of the plain tube.…”

Section: Introductionmentioning

confidence: 99%

Enhancement in Heat Transfer by Using Wire Coil Inserts in Tubular Heat Exchanger

Mohite¹

2018

IJRASET

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There are mainly two methods to enhance the performance of heat exchanger namely active and passive. In this study the wire coil inserts having three different cross sections namely circular, triangular and square with three different pitches(10, 20, 30mm) with 2mm wire diameter were used. The performance is investigated under constant wall heat flux condition and laminar regime in the Reynolds number ranging from 500 to 2200. Here distilled water is used as working fluid. The Nusselt number enhancement for circular, triangular, and square is from 3.73 to 15.26%, 5.54 to 17.24% and 6.08 to 21.26% respectively. Result shows that square cross section spring with pitch 10mm shows better performance among all the springs.

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Section: Introductionmentioning

confidence: 99%

Enhancement in Heat Transfer by Using Wire Coil Inserts in Tubular Heat Exchanger

Mohite¹

2018

IJRASET

View full text Add to dashboard Cite

show abstract

Effect of wire coil turbulators on pressure drop and heat transfer augmentation in a circular tube

Cited by 1 publication

References 18 publications

Enhancement in Heat Transfer by Using Wire Coil Inserts in Tubular Heat Exchanger

Enhancement in Heat Transfer by Using Wire Coil Inserts in Tubular Heat Exchanger

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