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Journal of Enhanced Heat Transfer

Published 8 issues per year

ISSN Print: 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

Density-Wave Flow Oscillations in a Water Boiling Horizontal Tube with Inserts

Volume 16, Issue 4, 2009, pp. 331-350
DOI: 10.1615/JEnhHeatTransf.v16.i4.20
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ABSTRACT

Density-wave type oscillations are one of the main types of two-phase flow dynamic oscillations frequently encountered in industrial thermal-hydraulic systems. These oscillations are caused by the dynamic interaction between flow rates, density distribution, and pressure drop distribution within the system, and are high-frequency oscillations. To avoid or control density-wave oscillations is of vital importance for two-phase systems, since they can induce thermal oscillations, accelerating the thermal fatique of the tube and finally resulting in burnout damage. In this study, an experimental investigation on two-phase flow density-wave type instabilities in a horizontal pipe with inserts was conducted. Four different heat transfer surface configurations containing one bare tube and three different enhancement inserts were used. The point on the characteristic curve, where pure density-wave oscillations started, changed with the tube configurations. This point was near the middle of the characteristic curve for the smooth tube, whereas it went towards the maximum point of the characteristic curve in the tubes with inserts. The amplitudes and periods of the density-wave type oscillations were lower than those of the pressure-drop type oscillations. By comparing the bare tube and the tubes with inserts on the basis of density-wave type oscillations, it was observed that the amplitudes and periods for the tube configurations with inserts were higher than those of the bare tube. There was no important difference among the tubes with inserts on the basis of density-wave type oscillations.

CITED BY
  1. Omeroglu Gokhan, Comakli Omer, Karagoz Sendogan, Sahin Bayram, Experimental Research of Dynamic Instabilities in the Presence of Coiled Wire Inserts on Two-Phase Flow, The Scientific World Journal, 2013, 2013. Crossref

  2. KARAGÖZ Şendoğan, YILMAZ Mehmet, ÖMEROĞLU Gökhan, SU KAYNAMALI YATAY DÜZ BORUDA İKİ FAZLI AKIŞ BASINÇ DÜŞÜMÜ OSİLASYONLARININ ANALİZİ, Ömer Halisdemir Üniversitesi Mühendislik Bilimleri Dergisi, 2018. Crossref

  3. O'Neill Lucas E., Mudawar Issam, Review of two-phase flow instabilities in macro- and micro-channel systems, International Journal of Heat and Mass Transfer, 157, 2020. Crossref

  4. Adiguzel Nesrin, Göcücü Azize, Experimental Investigation of the Effects of Ring Turbulators on Heat Transfer in Two-Phase Flow, Iranian Journal of Science and Technology, Transactions of Mechanical Engineering, 46, 3, 2022. Crossref

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