1) Flow-Induced Vibration
流体诱导振动
1.
This paper,inaccordance with the random vibration theory,deals with flow-induced vibrations of heat exchanger tube bundles,establishes the dynamic model of the tube bundles,determines the distribution of the exciting force,obtains the square root and the spectrum density of their random responses.
研究表明,采用随机振动理论可以较好地预测管壳式换热器管束流体诱导振动;纵向流换热器与折流板换热器相比,具有优异的抗振性能。
2.
The effects of different degrees of obliqueness of wavy cylinders on flow-induced vibration suppression on cylindrical structures were experimentally investigated.
提出了一种可减小流体诱导振动的波状圆柱,并对3种不同表面倾斜度的波状圆柱进行了实验研究。
3.
A method of heat transfer enhancement by flow-induced vibration was put forward in this paper, and experiments were performed.
本文提出了流体诱导振动复合强化传热新方法并进行了实验研究,实验结果表明流体诱导的振动与其他方式一样对传热有足够的影响。
2) flow induced vibration
流体诱导振动
1.
The cross-flow induced vibration of a row of cylinders at sub-critical Reynolds number Re=2.
67×104时的单列圆柱流体诱导振动问题,并计算了涡云图、流体力、振动响应、涡脱落频率等。
2.
To investigate the cross flow induced vibration of heat exchanger tube bundles,a separation point determination model and a fluid-structure interaction model based on surface vorticity method are proposed.
为了研究热交换器中管束的流体诱导振动问题,提出了一种基于表面涡方法的圆柱绕流计算模型,包括分离点计算模型和流固耦合模型。
3.
In order to protect heat exchangers from flow induced vibrations in design,the natural frequencies of commercial straight tubes and corrugated tubes are investigated with the various supporting condition in heat exchangers by use of analyses and FEM.
为在设计中防止出现换热管的流体诱导振动 ,用解析法及有限单元法分析常用规格直管换热管和波纹管换热管在不同支承情况下的固有频率 。
3) Fluid-induced vibration
流体诱导振动
1.
The heat-transfer performance of the equipment was enhanced with heat-transfer enhancement technology by fluid-induced vibration.
应用流体诱导振动强化传热技术能够提高该设备的传热性能,而这一设备作为换热设备的一种,传统的传热直管结构的振动不能够被利用,只能够去防止。
4) fluid-induced vibration
流体诱发振动;流致振动
5) flow induced vibration
流体诱发振动
1.
A theoretical and numerical model for three-dimensional flow induced vibration was proposed.
建立了三维流体诱发振动的理论及数值模型,采用任意拉格朗日-欧拉框架下的三维非定常Navier-Stokes方程组及波动方程组,分别描述了流体的流动及结构振动。
6) flow-induced vibration
流体诱发振动
1.
The presented results show that(a) in the tandem arrangement,flow-induced vibration of the circular cylinder is greatly suppressed when th.
采用任意拉格朗日-欧拉(ALE)方法数值模拟圆柱在尾流中的流体诱发振动特性。
2.
In this paper, the state of the art of flow-induced vibration at home and abroad is described.
流体诱发振动是关系到核反应堆结构设计的安全性和可靠性的重要问题。
补充资料：换热器诱导振动
分子式：
分子量：
CAS号：
性质：造成管壳式换热器（设备）失效破坏的重要原因之一。当管壳式换热器尺寸较大时，由于设有折流板，为了强化传热而不断提高壳程间的流速时，流体会加剧对管束的横向冲刷，而诱发换热器内部振动，总称为流体导振动。主要表现在管子与折流板之间的振动，尤其当振动的频率与管子在特定条件下的自振频率相一致时，可使换热器产生强烈共振，以致造成断裂破坏的事故。防止这类振动的措施主要有：改变流体横向流速，抑制流体在管束上出现周期性的旋涡，改变管子的自振频率等。
分子量：
CAS号：
性质：造成管壳式换热器（设备）失效破坏的重要原因之一。当管壳式换热器尺寸较大时，由于设有折流板，为了强化传热而不断提高壳程间的流速时，流体会加剧对管束的横向冲刷，而诱发换热器内部振动，总称为流体导振动。主要表现在管子与折流板之间的振动，尤其当振动的频率与管子在特定条件下的自振频率相一致时，可使换热器产生强烈共振，以致造成断裂破坏的事故。防止这类振动的措施主要有：改变流体横向流速，抑制流体在管束上出现周期性的旋涡，改变管子的自振频率等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条