润滑与密封
潤滑與密封
윤활여밀봉
LUBRICATION ENGINEERING
2013年
12期
93-97
,共5页
空泡%动力学特性%成核%生长%溃灭
空泡%動力學特性%成覈%生長%潰滅
공포%동역학특성%성핵%생장%궤멸
bubble%dynamics characteristics%nucleation%growth%collapse
空泡的动力学特性是其实现特定功能的关键。从空泡成核、生长以及溃灭3个阶段,分别介绍空泡的成核方式和基本原理、空泡生长过程中的变化以及溃灭时的能量和射流冲击。阐述环境压力、液体黏度和表面张力对空泡动力学特性影响的研究进展,并对空泡研究的重点和应用前景进行展望。
空泡的動力學特性是其實現特定功能的關鍵。從空泡成覈、生長以及潰滅3箇階段,分彆介紹空泡的成覈方式和基本原理、空泡生長過程中的變化以及潰滅時的能量和射流遲擊。闡述環境壓力、液體黏度和錶麵張力對空泡動力學特性影響的研究進展,併對空泡研究的重點和應用前景進行展望。
공포적동역학특성시기실현특정공능적관건。종공포성핵、생장이급궤멸3개계단,분별개소공포적성핵방식화기본원리、공포생장과정중적변화이급궤멸시적능량화사류충격。천술배경압력、액체점도화표면장력대공포동역학특성영향적연구진전,병대공포연구적중점화응용전경진행전망。
Dynamics characteristics of bubble are the key to achieving special function.The evolution of bubble contains nucleation,growth and collapse.Ways and basic principles for nucleation,the change of bubble during growth stage,and energy and shock wave in collapsing process were introduced.The effects of ambient pressure,viscosity and surface tension on bubble dynamics characteristics in latest years were summarized.The emphasis of researches and the potential applica-tions of bubble were prospected.