Principle and applications of the background oriented schlieren (BOS) method

Measurement Science and Technology

Volumn 12, Issue 9, 2001, Pages 1576-1585

  Richard, H ^a   Raffel, M ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

Flight testing; Flow visualization; Fluid flow density; Helicopter aerodynamics; Schlieren technique; Transonic wind tunnel

Indexed keywords

ACOUSTIC NOISE; HELICOPTERS; REYNOLDS NUMBER; VELOCITY MEASUREMENT; WIND TUNNELS;

SHADOWGRAPHY;

VORTEX FLOW;

AERODYNAMICS; COMPRESSIBLE FLOW; DENSITY; FLOW VISUALIZATION; HELICOPTER; VORTEX;

EID: 0035447185     PISSN: 09570233     EISSN: None     Source Type: Journal    
DOI: 10.1088/0957-0233/12/9/325     Document Type: Article

References (18)

1. Flow visualization of compressible vortex structures using density gradient techniques
2. Whole-field density measurements by 'synthetic schlieren'
3. Ground glass differential interferometer
4. Ray tracing through gradient-index media: Recent improvements
5. Application of speckling for measuring the deflection of laser light by phase objects
6. Quantitative study of the compressible vortex: Generation, structure and interaction with airfoils
7. Hintergrund Schlierenmeβverfahren
8. Background oriented stereoscopic schlieren for full-scale helicopter vortex characterization
9. Demonstration of the applicability of a background oriented schlieren (BOS) method
10. Advanced evaluation algorithms for standard and dual plane particle image velocimetry
11. Schlieren and shadowgraph imaging in the great outdoors
12. Tracing rays through graded-index media: A new method
13. Speckle-photographic measurements of unsteady flow processes using a highspeed CCD camera
14. Large field schlieren visualization-from wind tunnels to flight
15. Speckle photography of spatially extended refractive-index fields