In this paper a mathematical analysis of effect of couple stresses on magneto hydrodynamic (MHD) flow past a parallel plate channel of viscous, incompressible and electrically conducting fluid in the presence of porous medium has been studied. An exact solution of the dimensionless governing equations has been obtained by using method of perturbation technique. The effects on velocity, discharg...

Inadequate blade angle adjustment or manufacturing errors will cause inconsistencies in the of an axial-flow pump. In this study, hydrodynamic characteristics pump with inconsistent are investigated by analyzing hydraulic performance and pressure pulsation. The analysis is conducted performing a numerical simulation combined model test. Results show that, relative to case without deviation, dev...

AB S TRACT The technique of wavelet analysis is discussed in the context of line-profile variations in rapidly rotating stars undergoing non-radial pulsation. This technique may be used to determine the harmonic degree l of the pulsation using isolated residual spectra; it is able to handle spectra with relatively low signal-to-noise ratio levels, and is well suited to extracting previously uno...