Vortex Element Methods for Fluid Dynamic Analysis of Engineering Systems
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- Author: R. I. Lewis, University of Newcastle upon Tyne
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Panel methods employing surface distributions of source and vortex singularities based on the solution of boundary integral equations have been extensively used for modeling external and internal aerodynamic flows. Part 1 describes the surface vorticity method and illustrates applications of this technique over a wide range of engineering problems in aerodynamics and turbomachines, including lifting aerofoils and cascades, mixed-flow and rotating cascades for fans, pumps or turbines, meridional flows in turbomachines, flow past axisymmetric bodies, ducts and ducted propellers or fans. Part 2 extends surface vorticity modeling to the fairly new CFM field of vortex dynamics or vortex cloud theory. Methods are developed, again from first principles, to deal with shear layers, boundary layers, periodic wakes, bluff-body flows, cascades and aerofoils including the use of stall control spoilers. A number of useful computer programs are included.
22nd Sep 2014 by Pauljwells
A treasure-trove of hard-to-find information on this powerful modelling technique. Although somewhat out of vogue because of the widespread availability of Navier-Stokes solvers, both academic and commercial it nevertheless has some niche applications allowing very rapid analysis of specific situations. Would have been five stars but there are one or two typos in the text and some of the equations.
Review was not posted due to profanity×
- Date Published: January 2011
- format: Adobe eBook Reader
- isbn: 9780511874581
- availability: This ISBN is for an eBook version which is distributed on our behalf by a third party.
Table of Contents
Part I. The Surface Vorticity Boundary Integral Method of Fluid Flow Analysis:
1. The basis of surface singularity modelling
2. Lifting bodies, two-dimensional aerofoils and cascades
3. Mixed-flow and radial cascades
4. Bodies of revolution, ducts and annuli
5. Ducted propellers and fans
6. Three-dimensional and meridional flows in turbo-machines
7. Free vorticity shear layers and inverse methods
Part II. Vortex Dynamics and Vortex Cloud Analysis:
8. Vortex dynamics in inviscid flows
9. Simulation of viscous diffusion in discrete vortex modelling
10. Vortex cloud modelling by the boundary integral method
11. Further development and applications of vortex cloud modelling to lifting bodies and cascades
12. Use of grid systems in vortex dynamics and meridional flows
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