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Journal of Enhanced Heat Transfer

Erscheint 8 Ausgaben pro Jahr

ISSN Druckformat: 1065-5131

ISSN Online: 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

Performance Characteristics of Some "Rough Surfaces" with Tube Inserts for Single-Phase Flow

Volumen 13, Ausgabe 2, 2006, pp. 117-137
DOI: 10.1615/JEnhHeatTransf.v13.i2.30
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ABSTRAKT

One of the most promising heat transfer enhancement techniques is the compound enhancement method, in which different enhancement techniques are used simultaneously. This study compares the characteristics of some passive combined techniques for single-phase flow studied up to now: rough tube (sand-grain roughness), internally grooved rough tube, three-dimensional internal extended surface, and corrugated tube — all of them combined with twisted-tape inserts. An internally grooved tube with wire coil inserts is also considered. The performance characteristics of these combinations of "rough" surfaces with tube inserts have been assessed using traditional performance evaluation criteria extended by entropy generation. The goal is to evaluate the influence of the characteristic parameters of the tubes: protuberance-height-to-diameter ratio e/Di, relative pitch p/e, relative helix angle (β*, and others, and the relative pitch of the twisted tape or wire coil H/Di on the thermodynamic efficiency. The benefits of replacing the smooth tubes in shell-and-tube heat exchangers were evaluated for different practical applications. The optimal thermodynamic performance can be defined by minimization of the enhancement entropy generation number compared with the relative increase of the heat transfer rate or relative reduction of the heat transfer area.

REFERENZIERT VON
  1. Saha Sujoy Kumar, Dayanidhi G. L., Thermo-fluid characteristics of laminar flow of viscous oil through a circular tube having integral helical corrugations and fitted with centre-cleared twisted-tape, Heat and Mass Transfer, 48, 12, 2012. Crossref

  2. Bhattacharyya Suvanjan, Saha Sujoy Kumar, Thermohydraulics of laminar flow through a circular tube having integral helical rib roughness and fitted with centre-cleared twisted-tape, Experimental Thermal and Fluid Science, 42, 2012. Crossref

  3. Bhattacharyya Suvanjan, Saha Subhankar, Saha Sujoy Kumar, Laminar flow heat transfer enhancement in a circular tube having integral transverse rib roughness and fitted with centre-cleared twisted-tape, Experimental Thermal and Fluid Science, 44, 2013. Crossref

  4. Kumar Rout Pratap, Kumar Saha Sujoy, Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts, Journal of Heat Transfer, 135, 2, 2013. Crossref

  5. Saha Subhankar, Saha Sujoy Kumar, Enhancement of heat transfer of laminar flow through a circular tube having integral helical rib roughness and fitted with wavy strip inserts, Experimental Thermal and Fluid Science, 50, 2013. Crossref

  6. Pal Sagnik, Saha Sujoy Kumar, Laminar flow and heat transfer through a circular tube having integral transverse corrugations and fitted with centre-cleared twisted-tape, Experimental Thermal and Fluid Science, 57, 2014. Crossref

  7. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Performance Evaluation Criteria Based on Laws of Thermodynamics, in Performance Evaluation Criteria in Heat Transfer Enhancement, 2020. Crossref

  8. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Compound Techniques, in Insert Devices and Integral Roughness in Heat Transfer Enhancement, 2020. Crossref

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