Numerical computation of viscous flow field past circular cylinder

• Autorzy: Layek G.
• Języki publikacji: EN

Abstrakty

EN

Incompressible viscous flow past a circular cylinder has been studied numerically in this work, under laminar conditions. A control-volume based finite-difference scheme in a staggered grid has been used to solve unsteady Navier-Stokes equations in body-fitted orthogonal co-ordinates. The farfield boundary has been mapped into a finite one. The pressure Poisson equation and pressure-velocity correction formulae have been derived. The convergence value achieves the level of 0.5*10-5 after a few iterations. It is noted that secondary eddies appear periodically at higher Reynolds numbers. The results are compared with available experimental data and it is found that important quantities like Strouhal numbers, drag coefficients and separation angles match well with established values.

Słowa kluczowe

EN

staggered grid; secondary eddy; pressure Poison equation; pressure-velocity corrections

PL

wytrzymałość materiałów

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: Applied Mechanics and Engineering
• Rocznik: 1998
• Tom: Vol. 3, no 4
• Strony: 655--677
• Opis fizyczny: Bibliogr. 26 poz., rys., wykr.

Twórcy

autor

Layek G.

• Physics and Applied Mathematics Unit Indian Statistical Institute 203, B. T. Road, Calcutta--700 035, India