Numerical experiments performed with all possible combinations of approximations for the equations of a onedimensional planetary boundary layer model employing a one-equation turbulence closure scheme and a staggered, homogeneous, ยฎnite difference grid show that spikes and jittering in the vertical
A new numerical study of the shock/boundary-layer interaction
โ Scribed by Yiqing Shen; Ruquan Wang; Hongzhi Liao
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 177 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0271-2091
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โฆ Synopsis
This paper describes a new numerical study of the flat plate shock/boundary-layer interaction by using a weighted high-resolution, total variation diminishing (TVD) scheme. The key difference of this study from former studies is that new secondary vortices in the separated region have been found for the first time, with increasing the impinging shock angle or the free-stream Mach number.
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The suitability of the transmission line modelling method for studying field-particle interaction devices is assessed through an example of a simple two-cavity klystron amplifier. Two separate numerical studies are presented, covering both beam bunching in the buncher cavity and field generation in
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The new sequential centrifugal layer chromatography extends the possibilities for preparative separation of furocoumarin isomers. In the present work, isobergapten, pimpinellin, bergapten, isopimpinellin, and sphondin were isolated from a prepurified extract of Heracleum sphondylium roots using two