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International Journal of Fluid Mechanics Research

年間 6 号発行

ISSN 印刷: 2152-5102

ISSN オンライン: 2152-5110

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: 1.1 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: 1.3 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: 0.0002 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: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

Turbulence Modulation in a Simplex Spray

巻 24, 発行 1-3, 1997, pp. 97-107
DOI: 10.1615/InterJFluidMechRes.v24.i1-3.100
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要約

Measurements of the turbulence modulation terms, i.e., ugi'upi', between the gas and dispersed phase issued from a Simplex atomizer were carried out by a phase Doppler particle analyzer (PDPA) system. The Simplex atomizer is fueled by methanol with flow rate and pressure controlled at 1.39 g/s and 433 kPa, respectively. Results of the turbulence modulation for drop size less than 30 μm are presented. The turbulence modulation terms of Simplex spray is related to slip velocity, velocity fluctuations of both gas phase and dispersed phase, Reynolds stress of the gas phase and velocity correlation (up'vp') of the dispersed phase. The distributions of turbulence modulation terms in both axial and radial directions are similar. It is found that the turbulence modulation terms are higher in the spray sheet (i.e., R = 27−33 mm) for each size-class drops which increase from 0.8 m2/sec for 10 μm drops to 8.2 m2/sec2 for 30 μm drops, indicating the higher turbulence production of the gas phase due to the existence of larger drops. There are also turbulence modulations at radial position R = 10−20 mm which show the similar trend as Reynolds stress distribution at the same position. The Reynolds stress of gas phase and velocity correlation of dispersed phase are highly related to the turbulence modulation.

によって引用された
  1. Santolaya J.L., García J.A., Calvo E., Cerecedo L.M., Effects of droplet collision phenomena on the development of pressure swirl sprays, International Journal of Multiphase Flow, 56, 2013. Crossref

  2. Mostafa Abdu, Characteristics of Sprays Produced by a High Shear Atomizer, 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, 2004. Crossref

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