Preliminary Results from the Capillary Flow Experiment Aboard ISS: the Moving Contact Line Boundary Condition

Weislogel, Mark; Bunnell, Charles T.; Kurta, C.; Golliher, Eric; Green, Robert C.; Hickman, John M.

doi:10.2514/6.2005-1439

Cited by 7 publications

(2 citation statements)

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“…This style of separator utilized capillary forces to drive the vapor out of a "V" shaped corner. Also, Weislogel et al [37][38][39] completed fundamental micro-gravity research on simple vanes utilizing multiple experiments onboard the International Space Station to correlate with numerical simulations.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Variable Gravity on the Cooling Performance of a 16-Nozzle Spray Array

Elston

Yerkes

Thomas

et al. 2009

47th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition

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It was found that the cooling performance was enhanced in micro-gravity over terrestrial and elevated gravity. In addition, a sudden degradation in performance was found at high mass flow rates in micro-gravity, possibly due to liquid buildup on the surface between the nozzle impact zones. A high degree of subcooling was found to be beneficial, but the dissolved air content had little effect on the heat transfer performance either in micro-gravity or elevated gravity. Also, an improved liquid-vapor separator concept was implemented to enable flow stability during the micro-gravity portions of the flight. Multiple liquid-vapor separator concepts were tested during micro-gravity flights until a final design was settled on. The final separator design went through more rigorous evaluation to compare performance at multiple fill levels, each with a higher percentage of vapor space within the reservoir. It was found that, using the final reservoir design, stable flow operation was achieved in micro-gravity for mass flow ratesṁ = 14, 17.5 and 21 [g/s].iv

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Section: Discussionmentioning

confidence: 99%

“…Improvements through future work would include optimization of the vane structure using analytical and numerical modeling. Weislogel et al [36][37][38][39]…”

Section: Future Workmentioning

confidence: 99%