한국군사과학기술학회지 (Journal of the Korea Institute of Military Science and Technology)

  • 제20권2호
  • /
  • Pages.246-254
  • /
  • 2017
  • /
  • 1598-9127(pISSN)
  • /
  • 2636-0640(eISSN)
한국군사과학기술학회 (The Korea Institute of Military Science and Technology)
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효율적인 냉각 방식 선정을 위한 탐색창 냉각 특성 해석 연구

A Numerical Study on the Cooling Characteristics of Seeker Windows for Selecting Efficient Cooling Method

  • 김만식 (국방과학연구소 제1기술연구본부) ;
  • 이동민 (국방과학연구소 제1기술연구본부)
  • Kim, Manshik (The 1st Research and Development Institute, Agency for Defense Development) ;
  • Lee, Dong Min (The 1st Research and Development Institute, Agency for Defense Development)
  • 투고 : 2016.08.12
  • 심사 : 2017.02.24
  • 발행 : 2017.04.05
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초록

In this paper, cooling characteristics of seeker windows were examined using the Sinda-Fluint software. Various cooling methods were considered to satisfy the limit temperature of the cooled seeker window which would be exposed to excessive aerodynamic heating conditions by varying coolant type and mass flow rate of coolant. Due to the enhanced heat transfer between the coolant and the seeker window, internally cooled seeker window which uses liquid coolant showed lowered temperature distribution in the window compared to internally cooled seeker window which uses gas coolant. External film cooled seeker window also showed good cooling characteristics because it reduces the convective heat flux to the seeker window fundamentally. It was also confirmed that the temperature and the temperature gradient of seeker windows were significantly reduced for the cases which use external film cooling additionally to the gas and liquid cooled seeker window.

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참고문헌

  1. H. Morris, J. Majeski and E. Rawlinson, "Development of IR Sensor Window Cooling Requirements for Endoatmospheric Interceptors," AIAA 91-1439, AIAA 26th Thermophysics Conference, June, 1991.
  2. R. Hodge, P. Raghuraman, A. Murray and T. Street, "The Window Cooling Technology Program," AIAA 92-2803, 1992 SDIO Annual Interceptor Technology Conference, May, 1992.
  3. M. Lee et al., "Internal Fluid Cooled Window Assembly," US Patent 2002/0109038, 2002.
  4. C. Hyun, N. Goo, J. Kim and H. Lee, "Analysis of Gas Cooling System for IR Window," Journal of the Korea Institute of Military Science and Technology, Vol. 15, No. 2, pp. 130-137, 2012. https://doi.org/10.9766/KIMST.2012.15.2.130
  5. Y. Park, "A Flow Channel Design of IR Window Cooling Device," Journal of the Korean Society for Aeronautical and Space Sciences, Vol. 39, No. 6, pp. 559-566, 2011. https://doi.org/10.5139/JKSAS.2011.39.6.559
  6. D. Hender, "A Miniature Version of the JA70 Aerodynamic Heating Computer Program, H800 (MINIVER)," McDonnell Douglas Astronautics Co, MDC Report G-0462, 1970.
  7. M. Kim, B. Jin and D. Lee, "A Study on Film-Cooling Characteristics using Infrared Thermography," Proceedings of the Korea Institute of Military Science and Technology Conference, 2015.
  8. J. H. Lienhard IV and J. H. Lienhard, "A Heat Transfer Textbook," 3rd edition, Phlogiston Press, 2001.
  9. S. W. Churchill, "Friction-Factor Equation Spans All Fluid-Flow Regimes," Chemical Engineering, pp. 91-92, 1977.