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perfect hydroelastic model
相关语句
  全水弹性模型
     Verification of Perfect Hydroelastic Model Test of Flow Induced Gate Vibration by Prototype Observation
     闸门流激振动全水弹性模型试验的原型验证
短句来源
     Based on brief introduction to the similitude criteria of hydroelastic vibration model and the properties of the material developed newly for hydroelastic vibration model test of gate,a comparative analysis was made between the perfect hydroelastic model test results and the data measured on the prototype gate.
     在对水弹性振动模型相似准则和研制的闸门水弹性振动模型材料性质简要介绍的基础上,对三峡大坝导流底孔弧形闸门全水弹性模型振动试验成果和其原型振动观测成果作了多方面对比分析。
短句来源
  “perfect hydroelastic model”译为未确定词的双语例句
     For solving the potential flow induced vibration problem of the tainter gate located at the bottom outlet of the Three Gorges Project,the study on these problems was performed by a perfect hydroelastic model.
     为了解决三峡大坝导流底孔弧形闸门的流激振动问题 ,采用完全水弹性相似模型研究了闸门的流激振动。
短句来源
  相似匹配句对
     Perfect
     完美人生(英文)
短句来源
     Perfect
     完美
短句来源
     Verification of Perfect Hydroelastic Model Test of Flow Induced Gate Vibration by Prototype Observation
     闸门流激振动全水弹性模型试验的原型验证
短句来源
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For solving the potential flow induced vibration problem of the tainter gate located at the bottom outlet of the Three Gorges Project,the study on these problems was performed by a perfect hydroelastic model.The hydroelastic similarity criteria,the properties of the newly developed hydroelastic material,the results of mode analysis of the gate and the results of the model test are presented in the paper.It was found that in the scale model investigation severe self excited vibrations...

For solving the potential flow induced vibration problem of the tainter gate located at the bottom outlet of the Three Gorges Project,the study on these problems was performed by a perfect hydroelastic model.The hydroelastic similarity criteria,the properties of the newly developed hydroelastic material,the results of mode analysis of the gate and the results of the model test are presented in the paper.It was found that in the scale model investigation severe self excited vibrations take place when the gate is partially submerged by the tailwater level under no side seals(or the side seals being damaged) condition.However,when both side gaps of the gate are blocked from upstream to eliminate the gap jet flow,the gate only suffered weak vibrations.The cause of severe vibration is the formation of a self excited vibrating system by the coaction of the gap jet and turbulent flow downstream the gate.When the gap jet is eliminated by seals the severe self excited vibration doesn't occur.

为了解决三峡大坝导流底孔弧形闸门的流激振动问题 ,采用完全水弹性相似模型研究了闸门的流激振动。介绍了闸门振动水弹性相似原理、水弹性相似材料的性质、闸门水弹性模型模态分析及模型振动试验结果。试验结果表明 :闸门在无侧止水或侧止水损坏情况下淹没出流时 ,将产生强烈的自激振动 ;闸门两侧缝被封堵以后 ,在同样的淹没出流情况下 ,只产生轻微振动 ;闸门产生强烈振动的主要原因是闸门侧缝射流和下游紊动水流汇合后在门侧形成了自激振荡系统的结果 ;消除侧缝射流 ,就可以避免强烈的自激振动

The hydroelastic model test usually becomes unique method to predict the dynamic behaviors of prototype gate owing to the complicated interaction between elastic structure and flow field around the structure,bacause a numerical method only can't predict this type of vibrations correctly.Based on brief introduction to the similitude criteria of hydroelastic vibration model and the properties of the material developed newly for hydroelastic vibration model test of gate,a comparative analysis was made between the...

The hydroelastic model test usually becomes unique method to predict the dynamic behaviors of prototype gate owing to the complicated interaction between elastic structure and flow field around the structure,bacause a numerical method only can't predict this type of vibrations correctly.Based on brief introduction to the similitude criteria of hydroelastic vibration model and the properties of the material developed newly for hydroelastic vibration model test of gate,a comparative analysis was made between the perfect hydroelastic model test results and the data measured on the prototype gate.It indicated that the dynamic properties,the vibration accelerations,and the dynamic and static streses of the gate predicted by the perfect hydroelastic model test are in good agreement with those measured on the prototype gate under similar condition.This verifies that the dynamic and static behaviors of the gate induced by flow predicted by the perfect hydroelastic model are reliable.

由于弹性结构与其周围流场存在着复杂的相互作用,单纯数值方法还不能正确预报这种水弹性振动,因此,水弹性模型试验已成为预报流场中结构原型行为的唯一方法。在对水弹性振动模型相似准则和研制的闸门水弹性振动模型材料性质简要介绍的基础上,对三峡大坝导流底孔弧形闸门全水弹性模型振动试验成果和其原型振动观测成果作了多方面对比分析。结果表明:全水弹性模型试验预报的原型闸门的动力特性、振动加速度、结构动静应力与原型闸门在相近条件下的实测成果颇为一致,从而验证了闸门全水弹性模型对原型闸门流激振动行为预报的可靠性。

 
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