- Tytuł:
- Computer model of acoustic link in a pipe with a flowing gas medium. Part I: Perturbation of ultrasonic transducer directivity pattern
- Autorzy:
-
Gudra, T.
Opieliński, K. - Powiązania:
- https://bibliotekanauki.pl/articles/332580.pdf
- Data publikacji:
- 1997
- Wydawca:
- Polskie Towarzystwo Akustyczne
- Opis:
- The paper presents an aeroacoustic range equation which makes it possible to elaborate a computer model of ultrasonic link in air for static conditions. The model was made in form of a computer program called KML. Extending the static model, a simulation of uItrasonic wave propagation in a pipeline with flowing air for different profiles of laminar and turbulent flow and different link parameters was performed. The simulation made it possible to work out a computer model of an acoustic link in flowing gas. The model as a computer program can be used to calculate disturbance of ultrasonic beam rays shape and directivity pattem perturbation. Directivity pattem of ultrasonic transmitting transducer, deformed by flowing medium, becomes non-axial symmetric. As a result of the flow, ultrasonic beam rays are curvilinear and the source directivity pattern depends on rectilinearly measured distance.
- Źródło:
-
Hydroacoustics; 1997, 1; 299-302
1642-1817 - Pojawia się w:
- Hydroacoustics
- Dostawca treści:
- Biblioteka Nauki
Artykuł