Definition of Acoustic duct. Meaning of Acoustic duct. Synonyms of Acoustic duct

Here you will find one or more explanations in English for the word Acoustic duct. Also in the bottom left of the page several parts of wikipedia pages related to the word Acoustic duct and, of course, Acoustic duct synonyms and on the right images related to the word Acoustic duct.

Definition of Acoustic duct

Acoustic duct
Acoustic A*cous"tic (#; 277), a. [F. acoustique, Gr. ? relating to hearing, fr. ? to hear.] Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. Acoustic duct, the auditory duct, or external passage of the ear. Acoustic telegraph, a telegraph making audible signals; a telephone. Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance.

Meaning of Acoustic duct from wikipedia

- An acoustic transmission line is the use of a long duct, which acts as an acoustic waveguide and is used to produce or transmit sound in an undistorted...
- An acoustic duct or plane wave tube is a test facility used in acoustics. Anechoic chambers are typically subject to a low frequency limit, governed by...
- use acoustic liners to damp engine noise. Liners are applied on the internal walls of the engine nacelle, both in the intake and by-p**** ducts, and use...
- aeronautics, a ducted fan is a thrust-generating mechanical fan or propeller mounted within a cylindrical duct or shroud. Other terms include ducted propeller...
- Ducts are conduits or p****ages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example...
- in solids. A duct for sound propagation also behaves like a transmission line (e.g. air conditioning duct, car muffler, etc.). The duct contains some...
- the Z of a particular duct filled with air can be specified).[citation needed] The acoustic ohm is a unit of measurement of acoustic impedance. The SI unit...
- traveling in a surface duct. A 1980 report by Naval Ocean Systems Center gives examples in a study of a great circle acoustic path between Perth, Australia...
- Transmission loss (TL) in duct acoustics describes the acoustic performances of a muffler-like system. It is frequently used in the industry areas such...
- The acoustic pressure in a cylindrical duct can be expressed as the superposition of duct modes: p = ∑ α i ϕ i {\displaystyle p=\sum \alpha _{i}\phi _{i}}...