On the challenges for reliable measurements of convection in large aspect ratio Rayleigh-Bénard cells in air and sulfur-hexafluoride
Review articleOpen access
2019/12/01 Full-length article DOI: 10.1016/j.expthermflusci.2019.109841
Journal: Experimental Thermal and Fluid Science
Highlights•Optically accessible facility for high Ra numbers using pressurized air and SF6 is presented.•Measurement error sources for stereoscopic PIV are discussed.•First time velocity measurements at fully turbulent Rayleigh-Bénard convection in air and SF6.•Turbulent superstructures can be clearly identified.
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