Flow field temperature distribution determination using rotational Raman spectroscopy
Abstract
The development of a high-powered laser and low-light-level television system for obtaining the frequency and spatial distribution of pure rotational Raman scattering from steady state and transient gas flows is described. The system has a temporal resolution of about 30 milliseconds and spatial resolution better than 0.1 millimeter. The temperature profile over a distance of from 1 to 2 cm is determined simultaneously. Examples of temperature distribution measurements in a cylindrical chamber during the time it is being filled with hydrogen are given.
- Publication:
-
Heat transfer 1974; Proceedings of the Fifth International Conference, Tokyo, Volume 5
- Pub Date:
- 1974
- Bibcode:
- 1974hetr....5..239S
- Keywords:
-
- Flow Distribution;
- Gas Flow;
- Laser Outputs;
- Raman Spectroscopy;
- Television Systems;
- Temperature Distribution;
- Energy Levels;
- Frequency Distribution;
- Optical Measuring Instruments;
- Radiant Flux Density;
- Spatial Distribution;
- Steady Flow;
- Transient Response;
- Unsteady Flow;
- Instrumentation and Photography