| 搅拌槽内速度信号频域分析系统 |
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| 引用本文： | 侯拴弟,王英琛.搅拌槽内速度信号频域分析系统[J].北京化工大学学报(自然科学版),1996,23(3):1-5,43. |
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| 作者姓名： | 侯拴弟 王英琛 |
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| 作者单位： | 北京化工大学化学工程系 |
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| 摘 要： | 搅拌槽内流体时域速度信号，是研究湍流微观结构主要依据，对速度信号进行系统分析有助于对流体流动的深入了解，文中阐述了信号频域分析的基本原理，以及频谱细化和周期分量频率确定的方法，建立了一套用于流体速度信号处理的频域分析系统，为搅拌槽内湍流运动的微观结构研究提供了有力工具。
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| 关 键 词： | 搅拌槽 能谱函数 信号频域分析 搅拌 |
A Frequency Domain Analyzing System for Velocity Signals in Stirred Tank |
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| Hou Shuandi,Wang Yingshen,Shi Litian.A Frequency Domain Analyzing System for Velocity Signals in Stirred Tank[J].Journal of Beijing University of Chemical Technology,1996,23(3):1-5,43. |
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| Authors: | Hou Shuandi Wang Yingshen Shi Litian |
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| Abstract: | The fluctuating velocity signals are important clues in turbulent micro-structure Study. A systematicc analysis of velocity signals is helpful in further understanding turbulent flow field in stirred tank. This paper presents the principle of signal analysis of frequency domain, and the methods for ZOOM FFT and determination of the periodic component. A praccticable signal process system has been established, and it provides a powerful tool in turbulent micro-structure study in mixing tanks. |
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| Keywords: | stirred tank spectrum function frequency domain for velocity signals |
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