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Journal of Enhanced Heat Transfer

Publication de 8  numéros par an

ISSN Imprimer: 1065-5131

ISSN En ligne: 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

Heat Transfer Enhancement on the Outer Surface of Spirally Indented Tubes

Volume 6, Numéro 5, 1999, pp. 327-341
DOI: 10.1615/JEnhHeatTransf.v6.i5.10
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RÉSUMÉ

Heat transfer enhancement on the outer surface of spirally indented tubes was investigated experimentally. The spirally indented tubes studied were characterized by thin walls with a spiral groove on the outer surface which produced a spiral protrusion of the material on the inner surface. Heat transfer data were obtained from experiments in horizontal spirally indented tubes (inside diameter = 23.8 mm) placed inside of a smooth outer tube forming an annulus. Heated water flowed inside the tubes, and chilled water in the surrounding annulus. A smooth tube and three spirally indented tubes were tested with indentation depth to tube inside diameter ratios of 0.0075, 0.021 and 0.038. The ratio of indentation pitch to inside tube diameter was fixed at 0.9 in all tests producing a ratio of pitch to indentation depth of 23.7 to 120. The annulus flow was turbulent in all tests with the Reynolds number in the range of 7,000 to 115, 300. Heat transfer results for the outside surface of the spirally indented tubes were compared to that of smooth tubes and to that of spirally indented tube inside surfaces. A correlation equation was developed to predict the outer surface heat transfer coefficient of spirally indented tubes over the parameter range of the data.

CITÉ PAR
  1. Goldstein R.J., Eckert E.R.G., Ibele W.E., Patankar S.V., Simon T.W., Kuehn T.H., Strykowski P.J., Tamma K.K., Bar-Cohen A., Heberlein J.V.R., Davidson J.H., Bischof J., Kulacki F.A., Kortshagen U., Garrick S., Heat transfer – a review of 1999 literature, International Journal of Heat and Mass Transfer, 44, 19, 2001. Crossref

  2. Kareem Zaid S., Mohd Jaafar M.N., Lazim Tholudin M., Abdullah Shahrir, Abdulwahid Ammar F., Passive heat transfer enhancement review in corrugation, Experimental Thermal and Fluid Science, 68, 2015. Crossref

  3. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Active and Passive Techniques: Their Applications, in Introduction to Enhanced Heat Transfer, 2020. Crossref

  4. P Jayesh, Y Mukkamala, John Bibin, Design and testing of energy-efficient heat exchangers for Newtonian and non-Newtonian fluids – A review, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 236, 3, 2022. Crossref

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