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A Numerical Study on the Cooling Characteristics of Seeker Windows for Selecting Efficient Cooling Method
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효율적인 냉각 방식 선정을 위한 탐색창 냉각 특성 해석 연구

논문 기본 정보

Type
Academic journal
Author
Kim, Manshik (국방과학연구소 제1기술연구본부) Lee, Dong Min (국방과학연구소 제1기술연구본부)
Journal
한국군사과학기술학회 한국군사과학기술학회지 한국군사과학기술학회지 제20권 제2호
Published
2017.1
Pages
246 - 254 (9page)

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

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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.
#탐색창 #막냉각 #내부냉각 탐색창

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References (9)

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H. Morris / 1991 / Development of IR Sensor Window Cooling Requirements for Endoatmospheric Interceptors / AIAA 26th Thermophysics Conference google schola R. Hodge / 1992 / The Window Cooling Technology Program / 1992 SDIO Annual Interceptor Technology Conference google schola M. Lee / 2002 / Internal Fluid Cooled Window Assembly / US Patent 2002/0109038 google schola 현철봉 / 2012 / 적외선 윈도우용 가스식 냉각장치 해석 기법 / 한국군사과학기술학회지 15(2):130~137 dbpia 박연정 / 2011 / 적외선 윈도우 냉각장치 유로 설계 / 한국항공우주학회지 39(6):559~566 dbpia

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