摘要
介绍了集抽吸泵抽吸作用形成局部负压和三重管结构设计等特性于一体的新型海底液动冲击取样器的工作原理,并建立起液动冲击取样器抽吸泵的数学模型,对抽吸泵进行了理论分析和数值计算.
In the paper, a new sampler-hydro-percussion seabed sampler is discussed. In the sampier＇s structure design, the tri-pipe structure is considered to reduce the sample＇s disturbance and the sorption pump structure, which can produce local negative pressure in polyethylene screened pipe is applied to guarantee the sample＇s quality. In addition, a mathematical model of the seabed hydro-percus-sion sampler is set up to carry out the theoretical analysis and the numerical calculation which is based on finite difference method.
出处
《同济大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2005年第10期1418-1422,共5页
Journal of Tongji University:Natural Science
关键词
海底
液动冲击取样器
数值模拟
结构设计
seabed
hydro-percussion sampler
numerical calculation
structure design
