Application of Particle Image Velocimetry in the Korea Aerospace Research Institute Low Speed Wind Tunnel

Hoffman, Jeffrey; Arnette, Stephen A.; Porter, Chris; Sung, Bongzoo; Arık, E.

doi:10.2514/6.2000-411

Cited by 6 publications

(2 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…PPM exposure during same day model changes should be compatible with tunnel volume and its typical air exchange profile. 6. The chemical should have a refractive index of 1.40 or greater.…”

Section: B Opticsmentioning

confidence: 99%

See 1 more Smart Citation

Conceptual Design of a Laser Light Sheet Flow Visualization System for a Pressurized, Low Speed Wind Tunnel

Mejia

Jorgens

2007

2007 22nd International Congress on Instrumentation in Aerospace Simulation Facilities

View full text Add to dashboard Cite

The conceptual design and component validation of a laser light sheet flow visualization system for the QinetiQ 5m wind tunnel was conducted over the last two years by the Testing Methods Group of Boeing Commercial Airplanes. The purpose of this system is to complement wind tunnel force and pressure data by helping visualize off-body aerodynamic phenomena affecting model performance to help diagnose discrepancies between experimental and computational results. Smoke seeding and laser diagnostics are commonplace in many wind tunnels around the world. However, the requirement that this system be robust and user friendly enough to operate quickly and reliably in a high Reynolds number, large scale, low speed wind tunnel environment make this a unique and complex system. Each of the 4 major system components (laser, optics, seeding, and dispensing) were researched in detail and candidate system components were identified. In addition, two wind tunnel tests were conducted in a smaller, open circuit low speed wind tunnel to validate some of the findings and to prototype candidate hardware.

show abstract

“…PPM exposure during same day model changes should be compatible with tunnel volume and its typical air exchange profile. 6. The chemical should have a refractive index of 1.40 or greater.…”

Section: B Opticsmentioning

confidence: 99%

“…There were, however, two promising fluids that emerged from this study: the Rosco Fog Fluid, an ethylene glycol based fluid [6] and Di-Ethyl-Hexyl-Sebacat or "DEHS" [7]. The former is a standard in theatrical productions and is a non-toxic fluid made for use with the manufacturer's fogging hardware to create fog and smoke effects.…”

Section: B Opticsmentioning

confidence: 99%