| 主电桥预移相模型恒温热线(膜)流速计动态响应方程的解析解 |
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| 引用本文： | 庄永基
,盛森芝.主电桥预移相模型恒温热线(膜)流速计动态响应方程的解析解[J].实验流体力学,1992(3). |
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| 作者姓名： | 庄永基 盛森芝 |
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| 摘 要： | 对主电桥预移相恒温热线(膜)流速计动态响应方程调节元参量的解析解,及利用本线路模型理论,设计新型 HWFA 的若干原则作了阐述。根据这些原则研制的IFA-900型智能流速计系统,革除了传统 HWFA 所必需的三个调节参量,使用简单,操作方便;频带宽,稳定性好,动态性能有重大改进;软件功能强,智能化功能多,自动化程度有很大提高。
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| 关 键 词： | 预移相 热线(膜)流速计 动态响应方程 热耗散 Butter Worth 低通响应特性 |
THE ANALYTIC SOLUTION OF DYNAMICS EQUATION OF CONSTANT-TEMPERATURE HOT-WIRE(FILM)ANEMOMETER WITH MAIN BRIDGE PREPHASING CIRCUIT |
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| Zhuang Yongji,Sheng Senzhi.THE ANALYTIC SOLUTION OF DYNAMICS EQUATION OF CONSTANT-TEMPERATURE HOT-WIRE(FILM)ANEMOMETER WITH MAIN BRIDGE PREPHASING CIRCUIT[J].Experiments and Measur in Fluid Mechanics,1992(3). |
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| Authors: | Zhuang Yongji Sheng Senzhi |
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| Institution: | Zhuang Yongji;Sheng Senzhi |
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| Abstract: | This paper found the analytic solution of danamics equa-tion of constant-temperature hot wire(film)anemometer with mainbridge prephasing circuit,established the design principle.And devel-oped an entirely new IFV-900 hot wire(film)anemometer system.This anemometer abolished three adjustment parameters of the tradi-tional anemometer system,it simplifies greatly the adjusting proce-dure;apparent increase of the none self-excited oscillation range savesoperator a lot of trouble; the bandwidth is 2-5 times wider thanthat of the traditional anemometer;and the automaticity raisesgreatly with the addition of intelligent functions. |
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| Keywords: | hot wire(film)anemometer prephasing dynamics response heat dissipation Butter-worth response characteristic |
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