国际流体力学研究期刊
每年出版 6 期
ISSN 打印: 2152-5102
ISSN 在线: 2152-5110
IF:
1.1
5-Year IF:
1.3
Eigenfactor:
0.0002
JCI:
0.33
SJR:
0.256
SNIP:
0.49
CiteScore™::
2.4
H-Index:
23
Indexed in
Microphone Based Sensor for Recording the Respiratory Sounds
卷 31,
册 3, 2004,
12 pages
DOI: 10.1615/InterJFluidMechRes.v31.i3.40
摘要
Physical and mathematical models of sensors for recording the respiratory sounds with the use of electret microphones have been developed. Corresponding boundary problems with and without the compensating tube have been solved in the exact statement. Influence of dimensions of the air chamber and compensating tube on the efficiency of such sensors has been investigated. When solving the problems the losses caused by viscous friction in narrow compensating tube were taken into account. Ways for optimization of geometrical parameters of such systems have been outlined.
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