Open AccessRESONANT STRUCTURES AND THEIR APPLICATION TO HARBOR PROTECTION
Author(s) -
J. Valembois,
C. Birard
Publication year - 1954
Publication title -
proceedings of conference on coastal engineering/proceedings of ... conference on coastal engineering
Language(s) - English
Resource type - Journals
eISSN - 2156-1028
pISSN - 0589-087X
DOI - 10.9753/icce.v5.41
Subject(s) - resonator , jetty , resonance (particle physics) , range (aeronautics) , action (physics) , acoustics , meteorology , geology , engineering , physics , electrical engineering , oceanography , atomic physics , quantum mechanics , aerospace engineering
The principle of resonant structures is briefly described. These hydraulic resonators, which have been patented by Eleotricite de France, act as reflective structures for a range of wave periods encompassing their period of resonance, without obstructing the passages like a jetty. The originality of these structures lies in the fact that the periodicity of the waves is used to reflect them.
Some dispositions of resonant structures are described: basins having a length equal to a quarter of the wave length, resonators similar to pipes of different types, one of them having a period of resonance independent of the variations of level due to the tides.
Applications to harbor problems have been studied at Chatou. One of them concerns the protection of a look and of an inner harbor, the other the protection of a harbor in which resonant struotures have been used to complete the action of ordinary struotures for a certain range of wave periods.