AQUATIC DEPOSITION ORGANISM REMOVAL METHOD AND AQUATIC DEPOSITION ORGANISM REMOVAL DEVICE

• Main Authors: KUSUNOKI SADANORI, MATSUDA MIKIYA, SHIGEISHI MITSUHIRO, TOMODA YUICHI, IIZASA SHINYA, NAMIHIRA TAKAO, HARUGUCHI MASAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 26.10.2017
• Subjects: FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING

PROBLEM TO BE SOLVED: To provide an aquatic deposition organism removal method and an aquatic deposition organism removal device capable of easily removing aquatic organisms deposited on a structure.SOLUTION: Across an anode 3a and a cathode 3b, a pulse power is applied to an air gap 6 generated on the boundary between aquatic deposition organisms 5 and a structure 4, a gas in the air gap 6 on the boundary is dielectrically broken to generate plasma and the gas generates an instantaneous volumetric expansion. A shock wave which is generated accompanying the volumetric expansion propagates on the boundary between the aquatic deposition organisms 5 and the structure 4 and the aquatic deposition organisms 5 are peeled off from the boundary on the structure 4.SELECTED DRAWING: Figure 2 【課題】構造物に付着する水生付着生物を簡単に除去することが可能な水生付着生物除去方法および水生付着生物除去装置の提供。【解決手段】陽極３ａおよび陰極３ｂより水生付着生物５と構造物４との付着界面の空隙部６に作用させたパルスパワーにより、付着界面の空隙部６内の気体が絶縁破壊を生じてプラズマが生成され、気体が瞬間的な体積膨張を生じる。この体積膨張と、同時に発生する衝撃波が水生付着生物５と構造物４との付着界面に伝播することで、構造物４との付着界面から水生付着生物５が剥がれ落ち、除去される。【選択図】図２