Zobrazeno 1 - 10
of 31
pro vyhledávání: '"D. Keith Hollingsworth"'
Publikováno v:
Nuclear Technology. 207:860-865
Improved methods for storing liquid hydrogen in larger quantities and over longer periods of time in space are becoming progressively more critical as sights are once again set on Mars. Current sto...
Autor:
Jacob Keese, Ben Campbell, Mitchell Schroll, D. Keith Hollingsworth, Robert Frederick, L. Dale Thomas, William Walters
Publikováno v:
2022 IEEE Aerospace Conference (AERO).
Publikováno v:
ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels.
Confined bubbly flows in millimeter-scale channels produce significant heat transfer enhancement when compared to single-phase flows. Experimental studies support the hypothesis that the enhancement is driven by a convective phenomenon in the liquid
Publikováno v:
Journal of Heat Transfer. 140
Confined bubbly flows in millimeter-scale channels produce significant heat transfer enhancement when compared to single-phase flows. This enhancement has been demonstrated in experimental studies, and some of these studies conclude that the enhancem
Publikováno v:
International Journal of Heat and Mass Transfer. 83:809-819
A three-dimensional numerical study is conducted of a single FC-87 vapor bubble rising in non-uniformly heated FC-87 liquid and interacting with an inclined superheated wall. A complete phase-change model that takes into account the effect of interfa
Publikováno v:
International Journal of Heat and Mass Transfer. 83:200-211
Bubble images were acquired from within the channel for a bubbly gas/liquid flow in large-aspect-ratio minichannel with heat transfer. The purpose of these images is to document measurands that address bubble shape and confinement and to relate these
Publikováno v:
Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing.
A numerical investigation of a single highly confined bubble moving through a millimeter-scale channel in the absence of phase change is presented. The simulation includes thermal boundary conditions designed to match those of completed experiments.
Publikováno v:
Experimental Thermal and Fluid Science. 35:1522-1529
A method is developed to capture the distribution of surface temperature while simultaneously imaging the bubble motions in diabatic flow boiling in a horizontal minichannel. Liquid crystal thermography is used to obtain highly resolved surface tempe
Publikováno v:
International Journal of Heat and Mass Transfer. 54:1930-1940
An apparatus that produces flow and heat transfer in horizontal narrow channels was used to explore the physics of the onset of subcooled nucleate boiling for R-11 and Novec 649. The apparatus uses a downward-facing electrically-heated thin foil as a
Publikováno v:
Experimental Thermal and Fluid Science. 32:529-544
Data resulting from photographic studies of FC-87 vapor bubbles rising under a constant temperature plate are used to describe the growth and motion of the bubbles. Such bubbles are known to cause significant enhancement of heat transfer during their