Experimental Studies to Calibrate Unsaturated Flow Models

by R. Boehm, Univ of Nevada, Las Vegas, United States,
M. Krotke, Univ of Nevada, Las Vegas, United States,
S. Thota, Univ of Nevada, Las Vegas, United States,
Xiang Xu, Univ of Nevada, Las Vegas, United States,

Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993


Work is described that has been designed to serve as a laboratory calibration of numerical models for unsaturated flow studies. The experiment size is configured large enough that the assumptions applicable to most numerical models should apply, but the size is small enough that the test section can be characterized well and accurately monitored. A large piece of consolidated and fractured medium is used for the main test element. In addition to careful assessment of flows in and out, the moisture content at various locations along the element is monitored. Both electromagnetic and ultrasonic techniques are used in our experiments for the latter estimates. The general experimental method, control system, and data acquisition approach are described.

Subject Headings: Calibration | Unsaturated flow | Laboratory tests | Numerical analysis | Model accuracy | Control systems | Fluid flow | Groundwater flow

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