• 제목/요약/키워드: Search & Rescue Craft

검색결과 5건 처리시간 0.02초

수색구조 작업에 사용되는 표류지점 추정 공식 분석 (Analysis of Drift Prediction Formula Used in the Search and Rescue Mission)

  • 강신영
    • 한국항만학회지
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    • 제12권2호
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    • pp.373-384
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    • 1998
  • In search and rescue mission the leeway formula based on the field experiments are utilized for the estimation of wind effect on distressed targets. This paper summarized the leeway formula from the available references. In the summary the environmental data collection method and experimental conditions are described along with the formula. Also the formula currently used in CASP of the U.S. Coast Gurard and CANSARP of the Canadian Coast Guard are discussed.

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조난물체의 표류지점 추정 모델 (Prediction Model of Distressed Craft Drift)

  • 강신영
    • 해양환경안전학회지
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    • 제6권1호
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    • pp.111-120
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    • 2000
  • In this study the drift prediction models currently used in search and rescue(SAR) operations are introduced and the basic differences among them are analyzed by comparing the target classification, the treatment of environmental conditions, leeway equations and the determination of search area. In addition the new methods under development including AP98 of U.S. Coast Guard are compared and studied to improve the efficiency of SAR operation.

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유체역학 이론에 근거한 조난물체의 위치 추정 모델 (A Prediction Model of Distressed Craft Drift Using Fluid Dynamics Analysis)

  • 강신영
    • 한국항만학회지
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    • 제14권3호
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    • pp.353-360
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    • 2000
  • In this study a drift prediction model based on fluid dynamics theory is introduced. The essential effects of environmental loads and target characteristics are taken into account from a fluid dynamics point of view. The governing equations of motion are derived from Netwon's law of dynamics. In the mathematical formulation only three degrees of freedom(surge, sway, yaw) of the drifting object are assumed and the environmental loads considered are the forces and moments by wind and current. A computer algorithm for this model is implemented to obtain the numerical result in the time domain. The preliminary tests for model verification are conducted and the results are compared with the field experiment data as well as leeway formula suggested from the field test data.

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유체역학 이론에 근거한 조난물체의 위치 추정 모델 (A Prediction Model of Distressed Craft Drift Using Fluid Dynamics Analysis)

  • 강신영
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2000년도 추계학술대회논문집
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    • pp.63-71
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    • 2000
  • In this study a drift prediction model based on fluid dynamics theory is introduced. The essential effects of environmental loads and target characteristics are taken into account from a fluid dynamics point of view. The governing equations of motion are derived from Newton's law of dynamics. In the mathematical formulation only three degrees of freedom(surge, sway, yaw) of the drifting object are assumed and the environmental loads considered are the forces and moments by wind and current. A computer algorithm for this model is implemented to obtain the numerical result in the time domain. The preliminary tests for model verification are conducted and the results are compared with the field experiment data as well as leeway formula suggested from the field test data.

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