Numerical Analysis of Flow past Circular Cylinder with Triangular and Rectangular Wake Splitter
In the present work flow past circular cylinder and
cylinder with rectangular and triangular wake splitter is studied to
improve aerodynamic parameters. The Comparison of drag
coefficient is tabulated for bare cylinder, cylinder with rectangular
and triangular wake splitters. Flow past circular cylinder and cylinder
with triangular and rectangular wake splitter is performed at
Reynoldsnumber 5, 20, 40, 50,80, 100.An incompressible PISO finite
volume code employing a non-staggered grid arrangement is used, a
second order upwind scheme is used for convective terms. The time
discretization is implicit and a Second order Crank-Nicholson scheme
is employed. Length of wake splitter in both configurations is taken
to be equal to diameter of cylinder. Wake length is found to be less
with rectangular wake splitter when compared to bare cylinder and
cylinder with triangular wake splitter. Coefficient of drag is found to
be less for triangular wake splitter when compared to bare cylinder &
cylinder with rectangular wake splitter.
[1] B.S,V,P.Patnaik ,K.N.Seetharamu,P.AaswathaNarayana simulation of
laminar confined flow past ,a circular cylinder with integral wake splitter
involving heat transfer.Int.J.Numer.Method Heat flow Fluid Flow 6
(1996)
[2] S.C.R. Dennis, G. Chang, Numerical solutions for steady flow past a
circular cylinder at Reynolds numbers up to 100, J. FluidMech. 42
(1970) 471.
[3] D. Sucker, H. Brauer, Fluiddynamikbei der angestromtenZilindern,
WÔé¼armeStoffubertragung 8 (1975) 149.
[4] V.Saravanan1, C.K.Umesh1, B.K.Muralidhara1,
K.N.Seetharamu2national conference on approaching scholastic horizon
in mechanics April 2010
[5] A.L.F. Lima E Silva a, A. Silveira-Neto a,*, J.J.R. Damasceno b
Numerical simulation of two-dimensional flows over acircular cylinder
using the immersed boundary method. Int. Computational physics189
(2003) 351-370 .
[6] D. Goldstein, R. Hadler, L. Sirovich, Direct numerical simulation of
turbulent flow over a modelled riblet covered surface,J. Comp. Phys.
302 (1995) 333.
[7] S Tiwari,DChakraborty ,G Biswas,PkPanigrah ,Numerical prediction of
flow and heat transfer in a channel in presence of a built in circular tube
with and without wake splitter international journal of heat and mass
transfer 48(2005) 439-453
[8] M.C. Lai, C.S. Peskin, An immersed boundary method with formal
second-order accuracy and reduced numerical viscosity,J. Comp. Phys.
160 (2000) 705.
[9] Panchal ,Lakdawala , " Numerical investigation of thermal performance
in cross flow around square array of circular cylinder"NUiCONE-2011
[1] B.S,V,P.Patnaik ,K.N.Seetharamu,P.AaswathaNarayana simulation of
laminar confined flow past ,a circular cylinder with integral wake splitter
involving heat transfer.Int.J.Numer.Method Heat flow Fluid Flow 6
(1996)
[2] S.C.R. Dennis, G. Chang, Numerical solutions for steady flow past a
circular cylinder at Reynolds numbers up to 100, J. FluidMech. 42
(1970) 471.
[3] D. Sucker, H. Brauer, Fluiddynamikbei der angestromtenZilindern,
WÔé¼armeStoffubertragung 8 (1975) 149.
[4] V.Saravanan1, C.K.Umesh1, B.K.Muralidhara1,
K.N.Seetharamu2national conference on approaching scholastic horizon
in mechanics April 2010
[5] A.L.F. Lima E Silva a, A. Silveira-Neto a,*, J.J.R. Damasceno b
Numerical simulation of two-dimensional flows over acircular cylinder
using the immersed boundary method. Int. Computational physics189
(2003) 351-370 .
[6] D. Goldstein, R. Hadler, L. Sirovich, Direct numerical simulation of
turbulent flow over a modelled riblet covered surface,J. Comp. Phys.
302 (1995) 333.
[7] S Tiwari,DChakraborty ,G Biswas,PkPanigrah ,Numerical prediction of
flow and heat transfer in a channel in presence of a built in circular tube
with and without wake splitter international journal of heat and mass
transfer 48(2005) 439-453
[8] M.C. Lai, C.S. Peskin, An immersed boundary method with formal
second-order accuracy and reduced numerical viscosity,J. Comp. Phys.
160 (2000) 705.
[9] Panchal ,Lakdawala , " Numerical investigation of thermal performance
in cross flow around square array of circular cylinder"NUiCONE-2011
@article{"International Journal of Mechanical, Industrial and Aerospace Sciences:49316", author = "Pavan Badami and Vivek Shrivastava and Saravanan V. and Nandeesh Hiremath and K. N. Seetharamu", title = "Numerical Analysis of Flow past Circular Cylinder with Triangular and Rectangular Wake Splitter", abstract = "In the present work flow past circular cylinder and
cylinder with rectangular and triangular wake splitter is studied to
improve aerodynamic parameters. The Comparison of drag
coefficient is tabulated for bare cylinder, cylinder with rectangular
and triangular wake splitters. Flow past circular cylinder and cylinder
with triangular and rectangular wake splitter is performed at
Reynoldsnumber 5, 20, 40, 50,80, 100.An incompressible PISO finite
volume code employing a non-staggered grid arrangement is used, a
second order upwind scheme is used for convective terms. The time
discretization is implicit and a Second order Crank-Nicholson scheme
is employed. Length of wake splitter in both configurations is taken
to be equal to diameter of cylinder. Wake length is found to be less
with rectangular wake splitter when compared to bare cylinder and
cylinder with triangular wake splitter. Coefficient of drag is found to
be less for triangular wake splitter when compared to bare cylinder &
cylinder with rectangular wake splitter.", keywords = "Coefficient of drag and pressure, CFDFLUENT,
Triangular and rectangular wake splitter,wake length.", volume = "6", number = "9", pages = "1803-8", }