Effects of Boundary Layer and Wake on Characteristics of Stern Waves

Autor: Tooru Kitamura, Hisashi Kajitani, Yasuaki Doi
Rok vydání: 1986
Předmět:
Zdroj: Journal of the Society of Naval Architects of Japan. 1986:23-31
ISSN: 1884-2070
0514-8499
DOI: 10.2534/jjasnaoe1968.1986.23
Popis: A numerical analysis is tried how the “waves” and “boundary layer-wake” interacts. External potential flow around a hull is modeled by modified Guilloton method. Viscous flow is modeled by integral boundary layer-wake method. The displacement thickness concept is used to match the viscid-inviscid calculations. Results are compared with experiments and followings are obtained. Stern wave generation and boundary layer-wake growth depend on Froude number. The displacement thickness aft of the stern end increases and the wave resistance reduction due to the boundary layer-wake is remarkable at the speed from hollow to hump.
Databáze: OpenAIRE