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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

FLUIDIC INJECTION ANGLE IMPACT ON THRUST VECTORING USING COMPUTATIONAL FLUID DYNAMICS ANALYSIS

巻 48, 発行 3, 2021, pp. 41-53
DOI: 10.1615/InterJFluidMechRes.2021037918
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要約

As shock vectoring evolved as a major option of thrust vector control in applications such as jet engine exhaust systems, the computational study (with the validation of experimental data) of injecting the secondary flow into the divergent section of convergent-divergent nozzle has become an attractive option to investigate its optimum performance by increasing the number of secondary injection ports with variation in injection angles. This has led us toward the use of multiple injection ports with varying injection angles for the current study. To perform the simulation of internal flow in the nozzle, a finite volume-based implicit computational fluid dynamics solver was used. The study aims to see the response of the injection angle on the pitch thrust vector using shock vector control. One equation turbulence model of Spalart-Allmaras was used for its precision and robustness, and its need for less computational time. Nozzle performance has been studied at nozzle pressure ratios of 4 and 6. The secondary pressure ratio varies as 0.4, 0.7, and 1. A comparative study of different configurations of multiple injection ports has been done at different injection angles. Shifting of injection slot from nozzle exit to near throat decreases the thrust vectoring capability of the nozzle. The injection angle varies from 60° to 120° concerning the flow direction in the nozzle. Increment in the injection angle has a significant increasing effect on the pitch thrust vector angle.

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によって引用された
  1. Shukla Harshit, Jain Umang, Kumar Deepak, Preliminary Design Approach for Sub-Scale Rocket Motor Thrust Stand, in Recent Advances in Mechanical Engineering, 2023. Crossref

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