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Journal of Enhanced Heat Transfer

年間 8 号発行

ISSN 印刷: 1065-5131

ISSN オンライン: 1563-5074

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 2.3 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00037 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.6 SJR: 0.433 SNIP: 0.593 CiteScore™:: 4.3 H-Index: 35

Indexed in

Experimental Investigation of Heat Transfer and Friction Factor Characteristics in a Circular Tube with Longitudinal Strip Inserts

巻 15, 発行 4, 2008, pp. 325-333
DOI: 10.1615/JEnhHeatTransf.v15.i4.50
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要約

Longitudinal strip inserts are used as a heat transfer enhancement tool for both retrofit and new design of shell-and-tube heat exchangers. This paper discusses and reviews the characteristics and performance of full-length longitudinal strip inserts inside a circular tube experimentally. The strips considered for heat transfer behavior in a circular tube have been of rectangular and square cross sections with different aspect ratios (AR). The heat transfer test section was maintained constant wall heat flux (CWHF) boundary condition by supplying electricity. The Reynolds number of the fluid lies in between 4000 to 10,000. The friction factor and Nusselt number correlations have been developed. High heat transfer rates are obtained for the longitudinal strip insert of aspect ratio, AR = 1 and at the same time pressure drop is higher. The enhancement of heat transfer as compared to a conventional bare tube at the same Reynolds number based on the equivalent diameter was found to be about a factor of 22 at Re ≤ 10,000, while the friction factor rise was about a factor of 3.5 at Re ≤ 10,000. The following regression equation for the Nusselt number has been developed for longitudinal strip inserts:

Nu = 0.02278Re0.824 Pr0.412(AR + 1)−0.253(Di /l)0.055

によって引用された
  1. Bhuiya M. M. K., Ahamed J. U., Sarkar M. A. R., Salam B., Masjuki H. H., Kalam M. A., Saidur R., Sayem A. S. M., Heat Transfer and Pressure Drop Characteristics in Turbulent Flow Through a Tube, Experimental Heat Transfer, 25, 4, 2012. Crossref

  2. Syam Sundar L., Singh Manoj K., Convective heat transfer and friction factor correlations of nanofluid in a tube and with inserts: A review, Renewable and Sustainable Energy Reviews, 20, 2013. Crossref

  3. Bhuiya M. M. K., Ahamed J. U., Sarkar M. A. R., Salam B., Sayem A. S. M., Rahman A., Performance of Turbulent Flow Heat Transfer Through a Tube With Perforated Strip Inserts, Heat Transfer Engineering, 35, 1, 2014. Crossref

  4. Bhuyan Md. Moniruzzaman, Deb Ujjwal Kumar, Shahriar M., Acherjee Simul, Simulation of heat transfer in a tubular U-loop pipe using the rectangular inserts and without insert, 1851, 2017. Crossref

  5. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Swirl Generators, Extended Surface Insert and Tangential Injection Devices, in Insert Devices and Integral Roughness in Heat Transfer Enhancement, 2020. Crossref

  6. Emani Madhu Sruthi, Ranjan Hrishiraj, Bharti Anand Kumar, Meyer Josua P., Saha Sujoy Kumar, Laminar flow heat transfer enhancement in square and rectangular channels having: (1) A wire-coil, axial and spiral corrugation combined with helical screw-tape with and without oblique teeth and a (2) spiral corrugation combined with twisted tapes with oblique teeth, International Journal of Heat and Mass Transfer, 144, 2019. Crossref

  7. Sundar L. Syam, Ramana E. Venkata, Ali Hafiz Muhammad, Sousa Antonio C.M., Experimental correlations for Nusselt number and friction factor of nanofluids, in Advances in Nanofluid Heat Transfer, 2022. Crossref

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