A quantitative Schlieren system for measuring radial density profiles of reduced density channels in gases
Abstract
A quantitative Schlieren system used to measure the radial density profiles of reduced density channels in gases is described. The system uses a simple, single path optical train and does not require a coherent light source. The cylindrical symmetry of the channels permits an Abel-like inversion of the path integrated bending of the light to yield the radial density profile. The inversion algorithm and a program using it are given and some experimental results are shown.
- Publication:
-
Naval Research Lab. Report
- Pub Date:
- February 1981
- Bibcode:
- 1981nrl..reptT....R
- Keywords:
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- Flow Distribution;
- Rarefied Gas Dynamics;
- Schlieren Photography;
- Channel Flow;
- Computer Programs;
- Flow Visualization;
- Hydrodynamics;
- Instrumentation and Photography