||Structure of Strongly Stratified Flow over Hills: Dividing-Streamline Concept.
Snyder, W. H. ;
Castro, I. P. ;
Lee, J. T. ;
Hunt, J. C. R. ;
Ogawa, Y. ;
||Environmental Sciences Research Lab., Research Triangle Park, NC. Meteorology and Assessment Div. ;Surrey Univ. (England). ;Los Alamos National Lab., NM. ;Cambridge Univ. (England). ;National Inst. for Environmental Studies, Yatabe (Japan).
Fluid flow ;
Steady state ;
Wind direction ;
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The applicability of an integral formula for the dividing-streamline height in strongly stable flow over hills is tested in several laboratory experiments. The dividing-streamline concept is based upon simple energy arguments; fluid parcels originating far upstream of a hill at elevations H sub R above the dividing-streamline height H sub s will have sufficient kinetic energy to rise over the top, whereas those below H sub s must pass around the sides.