Answers are grounded in this paper and cite their sources.
The propagation of plane sound waves in gases in tubes can be divided into three main types, depending on the radius and frequency involved. These types are described as `narrow' tube, `wide' tube and `very wide' tube propagation. The phase velocity, attenuation and cross section profile of particle velocity etc. are investigated theoretically, and their inter-relation pointed out. The factors affecting the validity of Kirchhoff's formulae are considered, and the theory is applied to some recent work.
No takes yet. Share an insight, caveat, or question.
D. E. Weston (1953) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: