Strongly nonlinear flow over and around a three-dimensional mountain as a function of the horizontal aspect ratio

The influence of the obstacle shape, expressed through the ratio of spanwise to streamwise extension beta, on flow over and around a mesoscale mountain is examined numerically. The initial wind U as well as the buoyancy frequency N are constant; the earth's rotation and surface friction are neg...

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Veröffentlicht in:	Journal of the atmospheric sciences 2000-12, Vol.57 (24), p.3971-3991
Hauptverfasser:	BAUER, Manfred H, MAYR, Georg J, VERGEINER, Ignaz, PICHLER, Helmut
Format:	Artikel
Sprache:	eng
Schlagworte:	Convection, turbulence, diffusion. Boundary layer structure and dynamics Earth, ocean, space Exact sciences and technology External geophysics Meteorology Mountains
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Beschreibung
Zusammenfassung:	The influence of the obstacle shape, expressed through the ratio of spanwise to streamwise extension beta, on flow over and around a mesoscale mountain is examined numerically. The initial wind U as well as the buoyancy frequency N are constant; the earth's rotation and surface friction are neglected.
ISSN:	0022-4928 1520-0469
DOI:	10.1175/1520-0469(2001)058<3971:snfoaa>2.0.co;2