[ meld een fout in dit record ]mandje (0): toevoegen | toon Print deze pagina
Experimental investigation of water impact on axisymmetric bodies
De Backer, G.; Vantorre, M.; Beels, C.; De Pré, J.; Victor, S.; De Rouck, J.; Blommaert, C.; Van Paepegem, W. (2009). Experimental investigation of water impact on axisymmetric bodies. Appl. Ocean Res. 31(3): 143-156. http://dx.doi.org/10.1016/j.apor.2009.07.003
In: Applied Ocean Research. CML Publications/Elsevier: Southampton. ISSN 0141-1187; e-ISSN 1879-1549, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoord
    Marien/Kust
Author keywords
    Slamming; Drop tests; Point absorbers; Wave energy; Experimental study
Auteurs  Top 
  • Victor, S., meer
  • De Rouck, J., meer
  • Blommaert, C., meer
  • Van Paepegem, W., meer
Abstract
    The results of an elaborate experimental investigation on bottom slamming of axisymmetric objects are presented. Drop tests have been performed on a hemisphere and two conical shapes with different deadrise angles. The test setup is designed so as to prevent small rotations of the test objects which cause scatter in the measurement data. The pressure distribution and evolution as well as the body motion parameters are measured during impact. By means of a high speed camera the water uprise is visualized and the wetting factor is determined for the cones. The results are compared with a three-dimensional asymptotic theory for axisymmetric rigid bodies with constant entry velocity. The ratio between the registered peak pressures and the asymptotic theory are in accordance with comparable experiments in the literature. The asymptotic theory, however, is found to be quite conservative, since the measured peak pressure levels appear to be approximately 50% to 75% of the theoretical levels.
Alle informatie in het Integrated Marine Information System (IMIS) valt onder het VLIZ Privacy beleid Top | Auteurs 
IMIS is ontwikkeld en wordt gehost door het VLIZ.