MUT1D: User-Friendly One-Dimensional Thermal Model

by W. Alan Braley, DOT&PF Statewide Research, Fairbanks, United States,
John P. Zarling, DOT&PF Statewide Research, Fairbanks, United States,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract: MUT1D is a microcomputer-based heat conduction model which uses implicit finite difference techniques to determine the thermal regime and track the movement of the phase change front in one dimensional layered material systems. Problems are described using a variety of surface boundary conditions ranging from specified surface temperature to a surface energy balance comprised of short- and long-wave radiation, wind speed, cloud cover, and air temperatures. The heat flux at the lower boundary may also be specified. Problem description is expedited by the input and modification screens which are integrated into the program. Testing of the model indicated that it solves one-dimensional heat diffusion problems including phase change with acceptable accuracy for many design and predictive purposes.

Subject Headings: Thermal analysis | Mathematical models | Diffusion (thermal) | Wind power | Air temperature | Model tests | Model accuracy | Diffusion (porous media)

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