1) induced vibration
诱导振动
1.
Scale prevention with flow induced vibration in heat exchanger tubes of different materials;
不同材质换热管内流体诱导振动阻垢技术研究
2.
Analysis on Dynamic Characteristic and Flow Induced Vibration of Heat Exchanger Tube Bundles;
换热器管束动态特性分析及流体诱导振动研究
3.
First, a uniform viscous and incompressible flow past a circular cylinder was simulated by using the Ansys/Flotran CFD software, then the induced vibration for a viscous flow past a circular cylinder supported by elastic spring and dash pot was simulated with the Ansys/Flotran CFD software and stepwise integration.
利用计算流体力学软件Ansys/FlotranCFD,首先对粘性不可压缩流体的固定圆管绕流进行了数值模拟,然后结合逐步积分法完成了同时考虑纵横两向弹性支撑圆管绕流旋涡脱落诱导振动的数值模拟,并通过快速傅立叶变换,得到了弹性支撑圆管和固定圆管的升力及弹性支承圆管横向位移响应的功率谱。
2) vibrational induction
振动诱导
1.
The experimental equipment of vibrational induction for dynamically full vulcanization was designed and used to measure and analyze the property and micromorphology of thermoplastic vulcanite(TPV).
在开发设计的振动诱导动态全硫化实验装置上,对热塑性硫化橡胶(TPV)的性能与微观形态进行了测试与分析。
3) wind-induced vibration
风诱导振动
1.
A new method to calculate the wind-induced vibrations of slender vessels;
塔式容器风诱导振动计算新方法
4) 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。
5) 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。
6) 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 。
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