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J. Ocean Eng. Technol. 2005;19(2):90-93.    

A Research on the Approximate Formulae for the Speed Loss at Sea
KWON YOUNG-JOONG;KIM DAI YOUNG;
School of Naval Arch. and Ocean Eng., University of Ulsan;Samsung Corning Company Limited;
해상에서의 선속 손실량 산정을 위한 약산식 개발 연구
권영중;김대영;
울산대학교 조선해양공학부;삼성코닝주식회사;
© 2005 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Approximate Formulae, Speed Loss, Weather Intensity, Wave Added Resistance, Wind Added Resistance, Series 60
핵심용어: 약산식, 속력손실, 기상 격렬도, 파랑 부가저항, 바람 부가저항, 시리즈 60
Abstract
An improved approximate formula is presented for Series 60 forms, modifying the approximate formula, developed by the Author in 1983. The weather formula is based on interpretations of detailed calculations of speed loss, due to wind(van Berlekom), motions(Maruo), and wave reflection resistance(Kwon). Comparison is made between the result of the approximate formula and the one of detailed calculation. The result of the formula is also compared with some published full-scale data for speed loss.


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