高电压技术2012，Vol.38Issue(7)：1711-1718,8.
等离子体震源及在海洋勘探中的应用
Plasma Seismic Source and Its Application in Oceanic Seismic Exploration
摘要
Abstract
To meet the requirements of modern marine high resolution seismic exploration where sound source can generate repetitive, stable and specific acoustic emission, plasma seismic source （PSS） for marine high resolution seismic exploration is described which is based on plasma corona discharge in sea water. Intensive shockwaves are produced when electrical energy stored in capacitors is dumped through electrohydraulic discharge. Pulsed power technology, pulsed corona discharge process, dynamics of bubble oscillation and acoustical emissions are theoretically and experimentally studied. Experimental results of power efficiency of power source, bubble dynamics and acoustical emissions are presented and discussed. After 9 years research and development, PSS has been successfully applied in high resolution seismic exploration, showing a good prospect in underwater acoustic applications. Three typical prototypes of PSS with discharge energies of 500 J per pulse, 10 kJ per pulse and 50 kJ per pulse have been developed, their parameters and advantages are also presented.关键词
等离子体震源（PSS）/海洋勘探/水中放电/等离子体/气泡脉动/声波辐射Key words
plasma seismic source (PSS)/seismic exploration/underwater discharge/plasma/bubble oscillation/acoustic emission分类
天文与地球科学引用本文复制引用
严辉,黄逸凡,裴彦良,刘振,王揆洋,刘保华,闫克平..等离子体震源及在海洋勘探中的应用[J].高电压技术,2012,38(7):1711-1718,8.基金项目
国家自然科学基金 （）
科技部科研院所专项资助（2011128777）. （）
