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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

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FLOW AND HEAT TRANSFER VISUALIZATION INSIDE AND OUTSIDE THE HYDRAULIC RESERVOIR OF A THRUST VECTOR CONTROL SYSTEM

卷 19, 册 2, 2012, pp. 121-138
DOI: 10.1615/JFlowVisImageProc.2012006046
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摘要

Thrust Vector Control (TVC) systems provide a steering function for a launched vehicle during powered flight by controlling the rocket engine(s) and thrust direction. The Ares I Upper Stage design utilized a hydraulically driven TVC system. The hydraulic reservoir in the system had to be sized thus as to accommodate the heat generated during the mission. Since heat absorption by the hydraulic reservoir is a key factor in the performance of the TVC system, a series of computational fluid dynamics (CFD) simulations of the fluid flow and heat transfer in the reservoir has been performed with different operating and environmental conditions to gain insight into the flow and heat transfer outside and inside to the reservoir. The results of simulation show that the relevant data obtained in simulation, such as the inlet and outlet temperatures and the heat absorption by the reservoir, coincide with the data obtained during ground testings of the flight-like TVC system at the NASA Glenn Research Center. Three different reservoir operating conditions, which could occur during the Ares I flight, were simulated, and the relevant flow and heat transfer data were obtained. The flow and heat visualizations produced by the simulations provided valuable information about the reservoir performance.

参考文献
  1. Dorfman, A. and Renner, Z., Conjugate problems in convective heat transfer: Review.

  2. Frate, D. T., Pham, N. T., Christie, R. J., McQuillen J. B., Motil, B. J., Chao, D. F., and Zhang, N. , Flow and heat transfer in hydraulic reservoir of thrust vector control system.

  3. NASA G. C. Marshall Space Flight Center , NASA's Ares I Upper Stage, Powering the Second Phase of Rocket's Journey to Space.

  4. Newton, K. , NASA Completes Review Milestone for Ares I Vehicle.

  5. Raznjevič, K. , Handbook of Thermodynamic Table and Charts.

  6. SAE AIR1362B: Aerospace Hydraulic Fluids Physical Properties.

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