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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

THE ENHANCEMENT EFFECTS OF A PLUME OF RISING BUBBLES ON NATURAL CONVECTION FROM A HEATED VERTICAL PLATE

Volume 19, Numéro 4, 2012, pp. 379-395
DOI: 10.1615/JEnhHeatTransf.2012004080
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RÉSUMÉ

Rising bubbles have been found to significantly enhance heat transfer from a heated surface. This is associated with the bubble acting like a bluff body, displacing fluid as it moves, and also via the wake generated by the bubble, which increases fluid mixing. The present research explores the motion of both a single ellipsoidal bubble and a plume of rising bubbles and their influence on heat transfer from a heated vertical surface. Prior to this, the effect on heat transfer of a stream of bubbles rising past a vertical surface has received little attention. By simultaneously measuring the time varying heat transfer via a hot film sensor and the bubble dynamics by means of high speed cameras, an improved understanding of the heat transfer mechanism is achieved. It was found that a bubble mean path normal to the heated surface produced higher initial enhancements in heat transfer when compared to bubble motion in a plane parallel to the surface, although this effect was insignificant when a plume of bubbles was investigated.

CITÉ PAR
  1. Donoghue David B, Delauré Yan M C, Albadawi Abdulaleem, Robinson Anthony J, Murray Darina B, Bouncing bubble dynamics and associated enhancement of heat transfer, Journal of Physics: Conference Series, 395, 2012. Crossref

  2. Donoghue D.B., Albadawi A., Delauré Y.M.C., Robinson A.J., Murray D.B., Bubble impingement and the mechanisms of heat transfer, International Journal of Heat and Mass Transfer, 71, 2014. Crossref

  3. Donnelly B., O’Reilly Meehan R., Nolan K., Murray D.B., The dynamics of sliding air bubbles and the effects on surface heat transfer, International Journal of Heat and Mass Transfer, 91, 2015. Crossref

  4. Baczyzmalski Dominik, Weier Tom, Kähler Christian J., Cierpka Christian, Near-wall measurements of the bubble- and Lorentz-force-driven convection at gas-evolving electrodes, Experiments in Fluids, 56, 8, 2015. Crossref

  5. Meehan O'Reilly, Donnelly B, Persoons T, Nolan K, Murray D B, Forced convection in the wakes of sliding bubbles, Journal of Physics: Conference Series, 745, 2016. Crossref

  6. Donoghue D. B., Albadawi A., Delauré Y. M. C., Robinson A. J., Murray D. B., Mechanisms of heat transfer for axisymmetric bubble impingement and rebound, Heat and Mass Transfer, 54, 8, 2018. Crossref

  7. O’Reilly Meehan R., Williams N. P., Donnelly B., Persoons T., Nolan K., Murray D. B., Forced convection in the wakes of impacting and sliding bubbles, Heat and Mass Transfer, 54, 8, 2018. Crossref

  8. O'Reilly Meehan R., Grennan K., Davis I., Nolan K., Murray D. B., Visualization of the wake behind a sliding bubble, Physical Review Fluids, 2, 10, 2017. Crossref

  9. Larimi M.M., Ramiar A., Two-dimensional bubble rising through quiescent and non-quiescent fluid: Influence on heat transfer and flow behavior, International Journal of Thermal Sciences, 131, 2018. Crossref

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