THE FLUID LAB AT APPLIED MATHEMATICS
Our present laboratory consists of a 6" recirculating water tunnel capable of observing a wide variety of fluid phenomena including vortex streets, boundary layers, flow separation, surface waves, internal waves, jets, and turbulent mixing. Flow rates for the 6"x6" visualization test section range from millimeters per second to .75 meters per second. For flow visualization we utilize gravity feed dye stream injectors, and primitive hydrogen bubble.
For flow measurements, we utilize a hot-film anemometer, along with vhs capturing and digital video/still imaging. We additionally have developed a stratified (salt) mixing facility for the study of variable density flows of relevance to atmospheric mixing. Visual observables and measurements are performed with our Spectra physics 6 watt Argon laser, thermal/conductivity probe, accurate precision density floats, and our new high speed (500 frame per second) digital video camera.
Our future directions in building this laboratory include the development of several smaller scale devices for observing an interesting class of flow phenomena occurring at low Reynolds numbers, and the development of particle imaging velocimetry.
A thank you to strong UNC support and additional funding support from the National Science Foundation.
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