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Nonparallel stability of three-dimensional compressible boundary layers. Part 1: Stability analysis
A compressible linear stability theory is presented for nonparallel three-dimensional boundary-layer flows, taking into account the normal velocity component as well as the streamwise and spanwise variations of the basic flow. The method of multiple scales is used to account for the nonparallelism of the basic flow, and equations are derived for the spatial evolution of the disturbance amplitude and wavenumber. The numerical procedure for obtaining the solution of the nonparallel problem is outlined
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Revisiting the role of the grounded theory research methodology in the accounting Information systems
The aim of this paper is to explore the role of grounded theory (GT) as a research method in the accounting information systems. The GT research method can able the GT researcher to generate a rigour theory. This research paper seeks to investigate how researchers can use GT in relation to its epistemological perspective, methodological stance and research methods. GT as a research philosophy provides clear understanding of how to generate and develop rigorous theory. GT offers an interpretative perspective based on its epistemological stance. This interpretative perspective can be a foundation for GT researchers in interpretative accounting information systems researches
Nonparallel stability of two-dimensional nonuniformly heated boundary-layer flows
An analysis is presented for the linear stability of water boundary-layer flows over nonuniformly flat plates. Included in the analysis are disturbances due to velocity, pressure, temperatures, density, and transport properties as well as variations of the liquid properties with temperature. The method of multiple scales is used to account for the nonparallelism of the mean flow. In contrast with previous analyses, the nonsimilarity of the mean flow is taken into account. No analysis agrees, even qualitatively, with the experimental data when similar profiles are used. However, both the parallel and nonparallel results qualitatively agree with the experimental results of Strazisar and Reshotko when nonsimilar profiles are used
Supersymmetry Partial Breaking and Tadpole Anomaly
We consider the extension of the effective
supersymmetric model of ; and study the
explicit relationship between partial breaking of supersymmetry
constraint and D3 brane tadpole anomaly of type IIB string on Calabi-Yau
threefolds in presence of H and H fluxes. We also comment on
supersymmetry breaking in the particular Maxwell
theory; and study its interpretation in connection with the tadpole anomaly
with extra localized flux sources.Comment: LaTex 37 page
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