Modeling of acoustic wave suppression in pulsed gas laser systems
Abstract
Acoustic suppressors for repetitively pulsed gas phase lasers were modeled using analytical approximations, computer codes, and verification experiments. Rapid attenuation of finite amplitude pressure disturbances down to weak acoustic oscillations was predicted using a quasi-two-dimensional gas dynamic code which models the effects of longitudinal and transverse flow and waves in the laser duct. Code results were verified by comparisons with analytical solutions and shock tube simulation experiments.
- Publication:
-
American Institute of Aeronautics and Astronautics Conference
- Pub Date:
- June 1982
- Bibcode:
- 1982aiaa.confU....K
- Keywords:
-
- Acoustic Attenuation;
- Ducted Flow;
- Gasdynamic Lasers;
- Longitudinal Waves;
- Pulsed Lasers;
- Transverse Waves;
- Compressible Flow;
- Computational Fluid Dynamics;
- Lumped Parameter Systems;
- Pressure Pulses;
- Shock Tubes;
- Two Dimensional Flow;
- Unsteady Flow;
- Lasers and Masers