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浙江大学学报(工学版)
J4  2010, Vol. 44 Issue (2): 385-392    DOI: 10.3785/j.issn.1008-973X.2010.02.032
机械工程     
非接触式悬浮测温装置仿真与试验研究
阮晓东, 崔逊波, 邹俊, 钟伟华, 陈水宣, 傅新
(浙江大学 流体传动及控制国家重点实验室,浙江 杭州 310027)
Non-contacting suspended temperature measuring device
RUAN Xiao-dong, CUI Xun-bo, ZOU Jun, ZHONG Wei-hua, CHEN Shui-xuan, FU Xin
(State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China)
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摘要：

针对层流冷却区温度测量易受冷却水、雾气干扰的问题,利用喷射的气体产生的气垫效应,开发了非接触式悬浮测温装置.采用计算流体力学(CFD)方法研究间距、喷嘴下缘面积和均压槽深度等关键结构参数对喷嘴受力、带钢表面气体压力分布的影响,通过动力学仿真研究黏性阻尼系数对悬浮的响应速度、稳定性的影响,并确定了非接触式测温装置的基本系统参数.开发的非接触式悬浮测温装置具有良好的间距自调节能力,能够稳定地悬浮在带钢表面.将该装置应用到某钢厂层流工况物理模拟系统中,结果表明,在冷却水扰动、被测物体高速移动和振动的恶劣工况下,该装置仍能取得满意的测量效果.
Abstract:

 A non-touching temperature device was developed based on air cushion aiming at the problems that the temperature measurement was easily disturbed by cooling water and vapor in laminar cooling region. The relations between the structural parameters, e.g. distance, area of lower surface and groove depth, and the suspending force of the nozzle and the pressure distribution on the surface of the strip were investigated by computational fluid dynamics (CFD). The effects of viscosity damping coefficient on response and stability were analyzed by dynamics models. The basic system parameters were determined. The developed device has the good self-adjusting ability for the distance and can stably suspend on the strip surface. The good performance was verified by the application of the device in the laminar cooling physical simulation system, in spite of the interference of cooling water, high speed moving and vibration of the target object.
出版日期: 2010-03-09
:  TH 137  
基金资助:

国家“973”重点基础研究发展计划资助项目(2006CB705400)；国家自然科学基金资助项目(50705082).
通讯作者: 邹俊，男，讲师.     E-mail: junzou@zju.edu.cn
作者简介: 阮晓东(1967-)，女，浙江杭州人,教授，博导，从事机电系统控制和仿真技术研究.
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引用本文:

阮晓东, 崔逊波, 邹俊, 等. 非接触式悬浮测温装置仿真与试验研究[J]. J4, 2010, 44(2): 385-392.

RUAN Xiao-Dong, CUI Xun-Bei, JU Dun, et al. Non-contacting suspended temperature measuring device. J4, 2010, 44(2): 385-392.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2010.02.032    或    http://www.zjujournals.com/eng/CN/Y2010/V44/I2/385

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