EFFECTS OF FAULTED STRATIGRAPHY ON SATRUATED ZONE FLOW BENEATH YUCCA MOUNTAIN, NEVADA

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We have analyzed evaporation in high-level waste emplacement boreholes in unsaturated rock. Water dripping onto waste containers is assumed to spread and form a thin film on the container surface. Evaporation will occur due to decay heat and the difference in vapor pressure between water in a flat film and water held in rock pores with curved interfaces. They study evaporation in still air in the one-dimensional system shown in Figure 1. {delta} is the liquid film thickness and L + {delta} is the gap width. They assume motionless liquid-gas interfaces, ideal gases, constant total gas pressure, no gravitational effects, ... continued below

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OLDENBUR, ANDREW J.B. COHAN AND CURTIS M. January 29, 1999.

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We have analyzed evaporation in high-level waste emplacement boreholes in unsaturated rock. Water dripping onto waste containers is assumed to spread and form a thin film on the container surface. Evaporation will occur due to decay heat and the difference in vapor pressure between water in a flat film and water held in rock pores with curved interfaces. They study evaporation in still air in the one-dimensional system shown in Figure 1. {delta} is the liquid film thickness and L + {delta} is the gap width. They assume motionless liquid-gas interfaces, ideal gases, constant total gas pressure, no gravitational effects, and local thermodynamic equilibrium between water liquid and vapor. Vapor pressure on the water film is described by Clapeyron equation. Vapor pressure in rock pores is described by Kelvin and Clapeyron equations. They solve the coupled energy conduction in liquid and vapor. Vapor pressure on the water film is described by Clapeyron equation. Vapor pressure in rock pores is described by Kelvin and Clapeyron equations. They solve the coupled energy (conduction in liquid and conduction and convection in gas) and mass (vapor-air binary diffusion) transport equations for quasi steady state to obtain the evaporative flux as a function of time.

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  • Report No.: MOL.19990318.0151
  • Grant Number: DE-AC01-91RW00134
  • Office of Scientific & Technical Information Report Number: 776448
  • Archival Resource Key: ark:/67531/metadc716022

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  • January 29, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 10, 2016, 7:29 p.m.

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OLDENBUR, ANDREW J.B. COHAN AND CURTIS M. EFFECTS OF FAULTED STRATIGRAPHY ON SATRUATED ZONE FLOW BENEATH YUCCA MOUNTAIN, NEVADA, report, January 29, 1999; Las Vegas, Nevada. (digital.library.unt.edu/ark:/67531/metadc716022/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.