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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

Corona Discharge Effects on Heat Transfer and Pressure Drop in Tube Flows

巻 7, 発行 2, 2000, pp. 81-95
DOI: 10.1615/JEnhHeatTransf.v7.i2.20
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要約

This work presents and discusses the results of a series of experiments investigating effects from corona discharge in air on the heat transfer rate and on the pressure drop in tube flows. Two electrode geometries were studied: a single wire electrode, concentric with the grounded tube wall and dual equipotential wire electrodes which were offset 0.4 cm from center in the horizontal plane. Both positive and negative discharge were examined for the single-wire geometry, at Reynolds numbers in the range 1,000 ≤ ReD ≤ 20,000. The dual-wire geometry was studied using positive polarity discharge only, over the range ReD = 1,000 to ReD = 10,000. Heat transfer rates were determined at electrode potentials from 6.00 kV (DC) to 7.75 kV (DC), depending on polarity and electrode configuration. Baseline data were also obtained with the electrode(s) at ground potential.
Results demonstrate increases in the Nusselt number of more than two hundred per cent over the values obtained in the absence of discharge. Relative increases in the friction coefficients were generally comparable to the corresponding Nusselt number enhancement. The extent of the increase in either quantity was highly dependent on discharge current and on the Reynolds number. The relative enhancements of both Nusselt number and friction loss coefficient were generally reduced at higher Reynolds numbers (ReD ≥ 5000). However, the fall-off of enhancement with Reynolds number was less pronounced in the offset, dual-electrode geometry.
Results suggest the enhancement mechanism may significantly depend on the electrode geometry, independent of the geometry effects on discharge current. The observed trends are discussed in the context of current theory.

によって引用された
  1. Lakeh Reza Baghaei, Molki Majid, Patterns of Airflow in Circular Tubes Caused by a Corona Jet With Concentric and Eccentric Wire Electrodes, Journal of Fluids Engineering, 132, 8, 2010. Crossref

  2. 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 2000 literature, International Journal of Heat and Mass Transfer, 45, 14, 2002. Crossref

  3. Go David B., Maturana Raul A., Fisher Timothy S., Garimella Suresh V., Enhancement of external forced convection by ionic wind, International Journal of Heat and Mass Transfer, 51, 25-26, 2008. Crossref

  4. Molki Majid, Bhamidipati Kanthi Latha, Enhancement of convective heat transfer in the developing region of circular tubes using corona wind, International Journal of Heat and Mass Transfer, 47, 19-20, 2004. Crossref

  5. Molki Majid, Damronglerd Piyasak, Electrohydrodynamic Enhancement of Heat Transfer for Developing Air Flow in Square Ducts, Heat Transfer Engineering, 27, 1, 2006. Crossref

  6. Shin Dong Ho, Jang Dong Kyu, Sohn Dong Kee, Ko Han Seo, Control of boundary layer by ionic wind for heat transfer, International Journal of Heat and Mass Transfer, 131, 2019. Crossref

  7. Bacher Christian, Riebel Ulrich, Electrohydrodynamically enhanced mass transfer in a wetted-wall column, Chemical Engineering Research and Design, 167, 2021. Crossref

  8. Wang Jing, Zhu Tao, Cai Yi-xi, Zhang Jian-fei, Wang Jiang-bo, Review on the recent development of corona wind and its application in heat transfer enhancement, International Journal of Heat and Mass Transfer, 152, 2020. Crossref

  9. Fu Hui, Xu Wenyi, Liu Zhen, Yan Keping, Fog Droplet Collection by Corona Discharge in a Needle–Cylinder Electrostatic Precipitator with a Water Cooling System, Separations, 9, 7, 2022. Crossref

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