Development of molecular tagging velocimetry for the ZBOT experiment
We present the development of molecular tagging velocimetry (MTV) capability for the NASA Zero Boil-Off Tank (ZBOT) experiment. The challenges of chemical solubility posed by the fluorocarbon working fluid and small range of velocities in the experiment are met using MTV based on the photobleaching of coumarin-153. The feasibility of measurements is demonstrated by one-component velocimetry (1c-MTV) in a setup with geometric characteristics that mimic the actual ZBOT test section.
This work was supported by NASA Grant number NNX16AD52A. We thank the ZIN corporation for help with the experimental setup and information on the ZBOT experiments.
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