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논문 기본 정보

자료유형
학술저널
저자정보
윤석태 (동의대학교 함정적외선신호연구소) 정호석 (동의대학교 함정적외선신호연구소) 조용진 (동의대학교 조선해양공학과)
저널정보
한국군사과학기술학회 한국군사과학기술학회지 한국군사과학기술학회지 제20권 제6호
발행연도
2017.1
수록면
767 - 773 (7page)

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초록· 키워드

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Infrared stealth is an important technology for naval ships. This technology helps improve the anti-detection performance and survivability of naval ships. In general, the infrared signature of naval ships are categorized into internal and external heat source. External signature are generated by ship surface heating by solar flux as well as the complicated heat transfer process with the surrounding weather condition. Modern naval ships are equipped with seawater injection nozzles on the outside for nuclear, biological and, chemical, and these nozzles are used to control external signature. Wide nozzle placement intervals and insufficient injection pressure, however, have reduced seawater dispersion area. To address this problem, nozzle installation standards must be established. In this study, an actual-scale experimental system was implemented to provide the evidence for nozzle installation standards in order to reduce the infrared signature of naval ships. In addition, the environmental conditions of the experiment were set up through computational fluid dynamics considering the ocean climate data and naval ship management conditions of South Korea. The dispersion distance was measured using a high-resolution thermography system. The flow rate, pipe pressure, and dispersion distance were analyzed, and the evidence for the installation of seawater injection nozzles and operation performance standards was suggested.

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