Results 201 to 210 of about 1,436 (263)

Lawnmower Poetry and the Poetry of Lawnmowers

Critical Quarterly, EarlyView.
Francesca Gardner
wiley   +1 more source

Otolaryngology Residents' Perceptions of Pregnancy and Parental Leave During Training. [PDF]

J Laryngol Otol
Walsh A, Gulati J, Shah V, Snee I, Rapoport S, Scriven K.   +5 more
europepmc   +1 more source

Reading and relating with Frieda Fromm‐Reichmann and Joanne Greenberg

Critical Quarterly, EarlyView.
Joshua Pugh
wiley   +1 more source

Stall Margin Prediction and Improvement for Mixed Flow Compressors

openaire   +1 more source

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Dynamic stall due to unsteady marginal separation

Journal of Fluid Mechanics, 1987
A theoretical investigation into the next stage of dynamic stall, concerning the beginnings of eddy shedding from the boundary layer near an aerofoil's leading edge, is described by means of the unsteady viscous-inviscid interacting marginal separation of the boundary layer.
Elliott, J. W., Smith, F. T.
openaire   +2 more sources

Determination of aircraft stall margins during takeoff

Journal of Aircraft, 1996
Numerical Results In numerical examples a is assumed to be 1 rad. Table 1 shows a comparison study of the total induced drag between the present method and two kinds of lifting-line theories. Two lifting-line theories are unable to predict the near-field induced drag.
Sergey Kofman, Georges A. Becus
openaire   +1 more source

Stall Margin Improvement by Use of Casing Treatments

Volume 6A: Turbomachinery, 2013
The beneficial impact of casing treatments on the stall margin of tip-critical compressors has been proven many times. However, there is still no simple and general method to predict their actual effectiveness. The present work considers the axial velocity deficit that is generally observed at the blade tip. This so called tip-blockage is caused by the
Christian T. Pixberg, Heinz-Peter Schiffer, M. H. Ross, J. D. Cameron, S. C. Morris   +4 more
openaire   +1 more source

Using CFD to Improve Stall Margin

Fluids Engineering, 1999
Abstract Centrifugal compressors for multi-stage industrial applications must have both high efficiency and stable operation over a wide flow range. CFD analyses were used to evaluate the stall margins of candidate impeller designs compared to a baseline semi-inducer design.
James R. Hardin, Charles F. Boal
openaire   +1 more source