著者
淺羽 隆太郎
出版者
公益社団法人日本船舶海洋工学会
雑誌
造船協會會報 (ISSN:05148499)
巻号頁・発行日
no.42, pp.203-224, 1928-03-15

The auther investigated theoretically the relation between the size of the stabilizer and the amplitude of rolling in several cases ; 1. When the ship is forced to roll by the stabilizer, [numerical formula] denoting the couple produced by the stabilizer by W_m⨂ and the maximum attainable amplitude is given by [numerical formula] 2. When the rolling is quenched by the stabilizer in the still water, [numerical formula] 3. Rolling amongst regular waves. In the case of synchronism, the maximum amplitude is reduced by the stabilizer to θ given by the equation [numerical formula] provided ⨂≦φπ/4. If the size of the stabilizer is so chosen as ⨂=φπ/4,the maximum amplitude is only φπ/4. The larger the size, the less the amplitude, but a vibratory rolling occurs in some cases owing to the too large power of the stabilizer. The theory is compared with the model experiment made by Dr. Motora, showing a fair coincidence.

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