学科分类
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1 个结果
  • 简介:Aseriesofprojectileandwater-tunnelexperimentswereconductedtoinvestigatetheshapecharactersofnaturalandventilatedsupercavitation.Itwasfoundthattheshapeanddimensionsofboththenaturalsupercavitationandtheventilatedsupercavitationaresimilarthroughthecomparisonofthemwhenthecavitationnumberissmallandequal,andthecontourofboththenaturalsupercavitationandtheventilatedsupercavitationcanbecalculatedeffectivelywiththeSavchenkoformula.Thegravityeffectcaninducetheasymmetryofventilatedsupercavitation,andtheasymmetryismoreapparentastheFroudenumberissmaller.Theempiricalformulaforcalculatingtheaxialdeformationofventilatedsupercavitationwascorrectedandexpandedbasedonexperimentdata.Theevolutionrulesofboththenaturalsupercavitationandtheventilatedsupercavitationweredescribed,andthevortexfrequencyofnaturalcavitationwasobtained.Inaddition,thehystereticaspectwasobservedbetweenthedevelopmentandthefallprocessofventilatedcavitation.

  • 标签: 自然空化流动 超空化流动 水渠试验 抛物试验