Radiatively Driven Acoustic Waves in a Gas in a Cylindrical Tube—Theory and Experiment at Resonance

1970 ◽  
Vol 47 (6A) ◽  
pp. 1487-1487
Author(s):  
Dale L. Compton
Keyword(s):  
Acoustic Waves ◽  
Cylindrical Tube ◽  
At Resonance ◽  
Theory And Experiment

The Green’s function for surface acoustic waves: Comparison between theory and experiment

1996 ◽  
Vol 100 (3) ◽  
pp. 1538-1541 ◽  
Author(s):  
A. Mourad ◽  
C. Desmet ◽  
W. Lauriks ◽  
H. Coufal ◽  
J. Thoen
Keyword(s):  
Green’S Function ◽  
Green's Function ◽  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Theory And Experiment

Dynamics of a Pipe Subjected to Internal and Confined External Flow

2019 ◽  
Author(s):  
Michael P. Païdoussis ◽  
Ahmed R. Abdelbaki ◽  
M. Faisal Javed Butt ◽  
Kyriakos Moditis ◽  
Arun K. Misra ◽  
...  
Keyword(s):  
Flow Velocity ◽  
Reverse Flow ◽  
Cylindrical Tube ◽  
External Flow ◽  
High Flow ◽  
Analytical Models ◽  
High Flow Velocity ◽  
Cantilevered Pipe ◽  
Flow Configurations ◽  
Theory And Experiment

Abstract We consider a hanging cantilevered pipe conveying water within a water-filled container; the upper portion of the pipe is surrounded by a rigid cylindrical tube of larger diameter, forming an annular fluid-filled region around the pipe. Two flow configurations are investigated : (a) water enters the pipe at its clamped end and flows downwards, discharging at its free end into the container; the fluid exits the container by flowing upwards in the annulus and out; (b) the reverse flow arrangement: water enters the system at the upper end of the annulus and exits by flowing upwards in the pipe. The dynamics of the system is studied theoretically and experimentally for both configurations. The analytical models utilized are outlined and the experiments are described. Theory and experiment find that the system loses stability at sufficiently high flow velocity by flutter or static divergence.

Optical generation and detection of gigahertz-frequency longitudinal and shear acoustic waves in liquids: Theory and experiment

2012 ◽  
Vol 112 (1) ◽  
pp. 013502 ◽  
Author(s):  
Christoph Klieber ◽  
Thomas Pezeril ◽  
Stéphane Andrieu ◽  
Keith A. Nelson
Keyword(s):  
Acoustic Waves ◽  
Optical Generation ◽  
Theory And Experiment

Acoustic waves of different geometry in polydisperse bubble liquids: Theory and experiment

2013 ◽  
Vol 58 (6) ◽  
pp. 261-265 ◽  
Author(s):  
R. I. Nigmatulin ◽  
D. A. Gubaidullin ◽  
Yu. V. Fedorov
Keyword(s):  
Acoustic Waves ◽  
Theory And Experiment

scholarly journals Tunable Interferometers Driven by Coherent Surface Acoustic Phonons

MRS Advances ◽  
2016 ◽  
Vol 1 (22) ◽  
pp. 1651-1656 ◽  
Author(s):  
Antonio Crespo-Poveda ◽  
Alberto Hernández-Mínguez ◽  
Klaus Biermann ◽  
Abbes Tahraoui ◽  
Bernardo Gargallo ◽  
...  
Keyword(s):  
Building Block ◽  
Acoustic Waves ◽  
Surface Acoustic Waves ◽  
Acoustic Power ◽  
Frequency Range ◽  
Acoustic Frequency ◽  
Side Channels ◽  
Multi Mode ◽  
Mode Interference ◽  
Theory And Experiment

ABSTRACTWe demonstrate a compact tunable photonic modulator driven by surface acoustic waves (SAWs) in the low GHz frequency range. The device follows a well-known Mach-Zehnder interferometer (MZI) structure with three output channels, built upon multi-mode interference (MMI) couplers. The light continuously switches paths between the central and the side channels, avoiding losses and granting a 180◦-dephasing synchronization between them. The modulator was monolithically fabricated on (Al,Ga)As, and can be used as a building block for more complex photonic functionalities. It can also be implemented in other material platforms such as Silicon or (In,Ga)P. Light modulated at multiples of the fundamental acoustic frequency can be accomplished by adjusting the applied acoustic power. An excellent agreement between theory and experiment is achieved.

Sign in / Sign up

Export Citation Format

Share Document