LOW-RESISTANT BOAT FORM

PROBLEM TO BE SOLVED: To provide a low-resistant boat form, which can restrict the increase of resistance of a large vessel in a short-wave area at the minimum. SOLUTION: In the case where cross dimension of a large vessel is expressed with B, longitudinal dimension thereof is expressed with L, real...

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Bibliographische Detailangaben
1. Verfasser:	YAMASHITA SEIYA
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION EQUIPMENT FOR SHIPPING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a low-resistant boat form, which can restrict the increase of resistance of a large vessel in a short-wave area at the minimum. SOLUTION: In the case where cross dimension of a large vessel is expressed with B, longitudinal dimension thereof is expressed with L, real area of a front- half part of a hull is expressed with AWF, and a coefficient of water plane of a front-half part of a full is expressed with CWF(CWF=AWF/(LB/2)), parameter θ0 is decided by the calculus of variation, and coefficients of C1 , C2 , and λof formulas x=(2cosθ-cos2θ)/4λ+C1 /λ, y=(2sinθ+sin2θ)/4λ+C2 /λ for giving a coordinate of a form (x, y) are decided so as to obtain the form of water plane, which can obtain the minimum bluntness factor proportioned to the increase of resistance.