Noise field in the human chest due to turbulent flow in a larger blood vessel
Noise field in the human chest due to turbulent flow in a larger blood vessel
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DOI：
10.1023/a:1026462706646
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发表时间：
1998-01-01
影响因子：
2.4
通讯作者：
Borisyuk, AO
中科院分区：
文献类型：
--
作者：
Borisyuk, AO
一个更大的人体血管的声学模型的开发。该模型考虑了人体胸部中噪声从源（血流中的湍流压力波动）到皮肤上的接收器的声学生成和传播的主要特征，并允许考虑血管中的简单狭窄。采用Corcos、Chase、Ffowcs威廉姆斯、Smol'yakov和Tkachenko的低马赫数湍流壁压模型来描述容器中的随机源。所获得的关系允许一个分析的依赖性的所得声场在胸腔中的血流和血管的参数，并显示的可能性，通过比较的噪声场从完整的和患病的动脉狭窄的存在下，找到特征性的迹象。
An acoustic model of a larger human blood vessel is developed. This model takes into account the main features of the acoustic generation and propagation of noise in the human chest from the source (turbulent pressure fluctuations in blood flow) to a receiver resting on the skin, and allows the consideration of a simple stenotic narrowing in the vessel. The low Mach number turbulent wall pressure models of Corcos, Chase, Ffowcs Williams, and Smol'yakov and Tkachenko are used to describe random sources in the vessel. The relationships obtained permit one to analyse the dependence of the resultant acoustic field in the thorax on the parameters of the blood flow and the vessel, and show the possibility of finding characteristic signs of the presence of a stenosis by comparison of noise fields from intact and diseased arteries.