Fourier and wavelet transform analysis of pressure signals during explosive boiling

被引：2
|
作者：
Yin Tie-Nan [1 ,2 ]
Huai Xiu-Lan [1 ]
机构：
[1] Chinese Acad Sci, Inst Engn Thermophys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The transient pressure in a liquid-pool during explosive boiling of acetone is measured by a micro-pressure-measuring system. The Fast Fourier transform and continuous wavelet transform methods are applied to investigate the frequency characteristics. The results show that the dominant frequency of the explosive boiling is 0-2 MHz, and the bubble cluster formed by numerous tiny bubbles departs twice. Analysis and discussions are also conducted to explain the bubble evolution during the explosive boiling.
引用
收藏
页码：1004 / 1007
页数：4
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