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ISSN 打印: 1065-3090

ISSN 在线: 1940-4336

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: 0.6 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: 0.6 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: 0.00013 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: 0.14 SJR: 0.201 SNIP: 0.313 CiteScore™:: 1.2 H-Index: 13

Indexed in

THERMOGRAPHIC ANALYSIS OF A TURBULENT NONISOTHERMAL WATER BOUNDARY LAYER

卷 26, 册 1, 2019, pp. 49-56
DOI: 10.1615/JFlowVisImageProc.2018018925
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摘要

The paper is devoted to the investigation of the turbulent water boundary layer in jet mixing flows using high-speed infrared (IR) thermography. Two turbulent mixing processes were studied: a submerged water jet impinging on a flat surface and two intersecting jets in a round disc-shaped vessel. An infrared camera (FLIR Systems SC7700) was focused on the window transparent for IR radiation; it provided high-speed recordings of heat fluxes from a thin water layer close to the window. Temperature versus time curves at different points of water boundary layer near the wall surface were acquired using an IR camera with a recording frequency of 100 Hz. The time of recording varied from 3 to 20 min. The power spectra for the temperature fluctuations at different points in the mixing zone were calculated using the fast Fourier transform algorithm. The obtained spectral behavior was compared to the Kolmogorov "-5/3 spectrum" (a direct energy cascade) and the dual-cascade scenario predicted for quasi-2D turbulence (an inverse energy cascade to larger scales and a direct enstrophy cascade to smaller scales).

对本文的引用
  1. Golub Victor, Elyanov Artem, Korobov Andrei, Mikushkin Anton, Petukhov Vyatcheslav, Volodin Vladislav, Influence of heat absorption on hydrogen-air flame instability, Experimental Thermal and Fluid Science, 109, 2019. Crossref

  2. Contino Mattia, Paolillo Gerardo, Greco Carlo Salvatore, Astarita Tommaso, Cardone Gennaro, Simultaneous visualization of the velocity and wall temperature fields in impinging swirling jets, Optics and Lasers in Engineering, 158, 2022. Crossref

  3. Koroteeva Ekaterina, Shagiyanova Anastasia, Znamenskaya Irina, Sysoev Nikolay, Time-resolved thermographic analysis of the near-wall flow of a submerged impinging water jet, Experimental Thermal and Fluid Science, 121, 2021. Crossref

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