A physical model and the near-field characteristics of a multipole

被引：0
|
作者：
Bobrovnitskii, YI [1 ]
机构：
[1] Russian Acad Sci, AA Blagonravov Mech Engn Inst, Moscow 101830, Russia
来源：
ACOUSTICAL PHYSICS | 1998年 / 44卷 / 01期
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D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The physical multipole is conceived as a small sphere with a certain normal velocity distribution on its surface S that coincides with the field of a mathematical (point) multipole outside S. The near-field characteristics, such as the complex radiated power, impedance, and attached mass, are calculated by taking integrals over S for the leading multipoles. A number of new results have been obtained. In particular, the functional completeness of multipole fields has been proven. fi has been demonstrated that the field of an arbitrary quadrupole is a sum of two simple independent quadrupoles-longitudinal and transversal.
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页码：6 / 14
页数：9
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