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標題: 壓力量測系統之頻率響應實驗研究
Experimental Study of Frequency Response of Pressure Measurement Systems
作者: 林聖仁
Lin, Sun-Zen
關鍵字: pressure tube;壓力管;fluid resistance;fluid capacitance;fluid inductance;fluid impedance;characteristic impedance;transfer function;流體電阻;流體電容;流體電感;流體阻抗;阻抗特性;轉換函數
出版社: 機械工程學系
摘 要

Experimental Study of Frequency Response of Pressure Measurement Systems
Sun-Zen Lin
Department of Mechanical Engineering
National Chung Hsing University, Taichung, Taiwan
The study reports the results of the experiments on frequency response of pressure measurement systems in different materials, lengths and diameters. Analysis of experimental data uses the electric analogy to find out the characteristic impedance of the tube.
It was found that the tube length and diameter both significantly affect the resonance frequency response of the tube system. The resonance frequency decreases with increasing the tube length or decreasing the diameter. The phase lag decays linearly with increasing forcing frequency before the resonance frequency, and after the resonance frequency the effect of forcing frequency on the phase lag became smaller.
Appears in Collections:機械工程學系所

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