Large Eddy Simulation of Stable Boundary Layer Turbulent Processes in Complex Terrain

Skyllingstad, Eric D.

Oregon State University

关键词: Katabatic Winds;    Air;    Simulation;    Entrainment;    54 Environmental Sciences;   

DOI  :  10.2172/836286
RP-ID  :  DOE/ER/62840-1
RP-ID  :  FG03-99ER62840
RP-ID  :  836286

美国|英语

来源: UNT Digital Library

【 摘 要 】

Research was performed using a turbulence boundary layer model to study the behavior of cold, dense flows in regions of complex terrain. Results show that flows develop a balance between turbulent entrainment of warm ambient air and dense, cold air created by surface cooling. Flow depth and strength is a function of downslope distance, slope angle and angle changes, and the ambient air temperature.