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Final report for the flow excursion follow-on testing (open access)

Final report for the flow excursion follow-on testing

The purpose of the Mark 22 Flow Excursion Follow-On testing was to investigate the theory that approximately 15% of the flow bypassed the primary flow channels in previous testing, whereas the design called for only a 3% bypass. The results of the follow-on tests clearly confirmed this theory. The testing was performed in two phases. During the first phase, characterization tests performed during the earlier test program were repeated.
Date: August 5, 1992
Creator: Nash, C. A. & Walters, T. W.
System: The UNT Digital Library
Thinning and rupture of a thin liquid film on a heated surface (open access)

Thinning and rupture of a thin liquid film on a heated surface

Results on the dynamics and stability of thin films are summarized on the following topics: forced dryout, film instabilities on a horizontal plane and on inclined planes, instrumentation, coating flows, and droplet spreading. (DLC)
Date: August 5, 1992
Creator: Bankoff, S. G. & Davis, S. H.
System: The UNT Digital Library
Thinning and rupture of a thin liquid film on a heated surface. Annual technical progress report, November 1, 1991--October 31, 1992 (open access)

Thinning and rupture of a thin liquid film on a heated surface. Annual technical progress report, November 1, 1991--October 31, 1992

Results on the dynamics and stability of thin films are summarized on the following topics: forced dryout, film instabilities on a horizontal plane and on inclined planes, instrumentation, coating flows, and droplet spreading. (DLC)
Date: August 5, 1992
Creator: Bankoff, S. G. & Davis, S. H.
System: The UNT Digital Library
Preliminary modeling of moisture movement in the tuff beneath Mortandad Canyon, Los Alamos National Laboratory (open access)

Preliminary modeling of moisture movement in the tuff beneath Mortandad Canyon, Los Alamos National Laboratory

An area of upper/middle Mortandad Canyon on the Los Alamos National Laboratory is modeled in cross-section. UNSAT2, a finite element model (FEM) is used to predict moisture movement. Hydraulic characteristics of the tuff are described by van Genuchten parameters determined from laboratory tests on cores taken from a borehole within the cross-section. Material properties are distributed horizontal planar in space to cover the solution domain with required initial conditions. An estimate of seepage flux from a thin perched alluvial aquifer into the upper surface of the tuff is taken from a lumped parameter model. Moisture redistribution for a ponded boundary condition and a larger flux is investigated. A composite simulation using material properties from two separate coreholes is also evaluated.
Date: August 5, 1992
Creator: Geddis, A.M.
System: The UNT Digital Library
Final report for the flow excursion follow-on testing (open access)

Final report for the flow excursion follow-on testing

The purpose of the Mark 22 Flow Excursion Follow-On testing was to investigate the theory that approximately 15% of the flow bypassed the primary flow channels in previous testing, whereas the design called for only a 3% bypass. The results of the follow-on tests clearly confirmed this theory. The testing was performed in two phases. During the first phase, characterization tests performed during the earlier test program were repeated.
Date: August 5, 1992
Creator: Nash, C. A. & Walters, T. W.
System: The UNT Digital Library