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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

An Insertion Technique Using the Transient Method with Liquid Crystals For Enhanced Heat Transfer Measurements in Ducts

巻 1, 発行 2, 1994, pp. 179-190
DOI: 10.1615/JEnhHeatTransf.v1.i2.70
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要約

A technique for measuring local heat transfer coefficients in ducts is described. The technique involves the sudden insertion or attachment of a preheated section of duct on the end of another duct with the same cross section which has an established flow at ambient temperature. The transient surface temperature of the inserted section is measured using thermochromic liquid crystals and the color change is recorded with a video system. This technique, which is a variation on the transient method, allows control of the hydrodynamic and thermal boundary conditions in the upstream duct.
The technique is used for measurements of turbulent (Re = 15,000 to 80,000) heat transfer on smooth and ribbed, circular and square ducts (ribbed on two sides). For the smooth ducts, the results compare well with the existing correlations for circular and square ducts, respectively. The results for both ribbed ducts show rapid thermal development and high heat transfer coefficients on the top of the ribs and in a region approximately 4 ∼ 6 rib heights downstream of the ribs. For the ribbed square ducts, contour and three-dimensional plots are presented showing the detailed local heat transfer distribution within a rib segment.

によって引用された
  1. Baughn J. W., Mayhew J. E., Anderson M. R., Butler R. J., A Periodic Transient Method Using Liquid Crystals for the Measurement of Local Heat Transfer Coefficients, Journal of Heat Transfer, 120, 3, 1998. Crossref

  2. Yan Xiaojun, Saniei Nader, MEASUREMENTS OF LOCAL HEAT TRANSFER COEFFICIENTS FROM A FLAT PLATE TO A PAIR OF CIRCULAR AIR IMPINGING JETS, Experimental Heat Transfer, 9, 1, 1996. Crossref

  3. Eckert E.R.G., Goldstein R.J., Ibele W.E., Patankar S.V., Simon T.W., Strykowski P.J., Tamma K.K., Kuehn T.H., Bar-Cohen A., Heberlein J.V.R., Hofeldt D.L., Davidson J.H., Bischof J., Kulacki F., Heat transfer—a review of 1994 literature, International Journal of Heat and Mass Transfer, 40, 16, 1997. Crossref

  4. Saniei Nader, Liquid Crystals and Their Application in Heat Transfer Measurements, Heat Transfer Engineering, 23, 4, 2002. Crossref

  5. Baughn James W., Liquid crystal methods for studying turbulent heat transfer, International Journal of Heat and Fluid Flow, 16, 5, 1995. Crossref

  6. Akansu Yahya Erkan, Sarioglu Mustafa, Kuvvet Kemal, Yavuz Tahir, Flow field and heat transfer characteristics in an oblique slot jet impinging on a flat plate, International Communications in Heat and Mass Transfer, 35, 7, 2008. Crossref

  7. Yan Xiaojun, Saniei Nader, Heat transfer from an obliquely impinging circular, air jet to a flat plate, International Journal of Heat and Fluid Flow, 18, 6, 1997. Crossref

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