The use of curved screens for generating uniform shear at low Reynolds numbers

A semi-empirical approach has been applied to compute the shape of curved wire screens that would generate uniformly sheared flows in a water channel as well as the effect of Reynolds number on the value of the generated shear. Experiments with such screens at mean Reynolds numbers (based on the wire diameter) in the range 8–74 were found to be in fair agreement with the predictions.

[1]  J. W. Elder,et al.  Steady flow through non-uniform gauzes of arbitrary shape , 1959, Journal of Fluid Mechanics.

[2]  Ian P. Castro,et al.  Some problems concerning the production of a linear shear flow using curved wire-gauze screens , 1976, Journal of Fluid Mechanics.

[3]  R. A. Pinker,et al.  Pressure loss Associated with Compressible flow through Square-Mesh wire Gauzes: , 1967 .

[4]  P. R. Owen,et al.  The production of uniform shear flow in a wind tunnel , 1957, Journal of Fluid Mechanics.

[5]  S. Corrsin,et al.  Turbulence: Experimental Methods , 1963 .

[6]  W. J. D. Annand The Resistance to Air Flow of Wire Gauzes , 1953 .

[7]  Y. L. Lau,et al.  Flow of stratified fluid through curved screens , 1968, Journal of Fluid Mechanics.

[8]  Stavros Tavoularis,et al.  Generation and manipulation of uniform shear with the use of screens , 1987 .

[9]  C. W. Atta,et al.  A closed-loop gravity-driven water channel for density-stratified shear flows , 1983, Journal of Fluid Mechanics.

[10]  J. C. Gibbings The pyramid gauze diffuser , 1973 .

[11]  D. R. Kotansky,et al.  The use of honeycomb for shear flow generation. , 1966 .

[12]  J. T. Turner,et al.  The generation of symmetrical duct velocity profiles of high uniform shear , 1964 .

[13]  W. D. Baines,et al.  An Investigation of Flow Through Screens , 1951, Journal of Fluids Engineering.

[14]  J. T. Turner A computational method for the flow through non-uniform gauzes: the general two-dimensional case , 1969, Journal of Fluid Mechanics.

[15]  S. Corrsin,et al.  Velocity-derivative skewness in small Reynolds number, nearly isotropic turbulence , 1978, Journal of Fluid Mechanics.

[16]  S. Tavoularis Measurement in fluid mechanics , 2005 .