And the approximate rigid conditions for small underwater cylindrical Helmholtzresonators of different sizes are given.
理论和实验研究了腔壁弹性对水下小型圆柱形亥姆霍兹共振器共振频率的影响。
2
Helmholtzresonators and quarter wave resonators are studied as the high frequency combustion instabilities suppression devices in liquid rocket engines.