J. Fluids Eng.: All Topics http://scitation.aip.org/ J. Fluids Eng.: All Topics Experimental Measurement of Laminar Axisymmetric Flow Through Confined Annular Geometries With Sudden Inward Expansion http://link.aip.org/link/doi/10.1115/1.4000482 Afshin Goharzadeh and Peter Rodgers<br/> In this paper, separating and reattaching aqueous laminar flows produced by a sudden inward expansion within confined annular geometries are experimentally studied. The test geometries are based on a previous numerical study. The fluid flow structure at the expansion region is experimentally charact ... [J. Fluids Eng. 131, 124501 (2009)] published Thu Nov 12, 2009. Application of Fractional Scaling Analysis to Loss of Coolant Accidents: Component Level Scaling for Peak Clad Temperature http://link.aip.org/link/doi/10.1115/1.4000370 Ivan Catton, Wolfgang Wulff, Novak Zuber, and Upendra Rohatgi<br/> Fractional scaling analysis (FSA) is demonstrated here at the component level for depressurization of nuclear reactor primary systems undergoing a large-break loss of coolant accident. This paper is the third of a three-part sequence. The first paper by Zuber et al. (2005, Application of Fractional ... [J. Fluids Eng. 131, 121401 (2009)] published Thu Nov 19, 2009. Unsteady Velocity Profiles in Laminar and Turbulent Water Hammer Flows http://link.aip.org/link/doi/10.1115/1.4000557 Alireza Riasi, Ahmad Nourbakhsh, and Mehrdad Raisee<br/> The behavior of unsteady velocity profiles in laminar and turbulent water hammer flows is numerically investigated. In this way, the governing equations for the quasitwo-dimensional equations of transient flow in pipe are solved by using the modified implicit characteristics method. A k-omega turbul ... [J. Fluids Eng. 131, 121202 (2009)] published Thu Nov 19, 2009. Direct Numerical Simulations of the Flow Past a Cylinder Moving With Sinusoidal and Nonsinusoidal Profiles http://link.aip.org/link/doi/10.1115/1.4000406 Osama A. Marzouk<br/> We perform direct numerical simulations of the flow past a circular cylinder undergoing a one-degree-of-freedom transverse oscillation. The displacement follows a sine function raised to an arbitrary integer power ranging from 1 to 8. When the displacement power is above 2, we have multifrequency os ... [J. Fluids Eng. 131, 121201 (2009)] published Thu Nov 12, 2009. Flow Physics of a Race Car Wing With Vortex Generators in Ground Effect http://link.aip.org/link/doi/10.1115/1.4000423 Yuichi Kuya, Kenji Takeda, Xin Zhang, Scott Beeton, and Ted Pandaleon<br/> This paper experimentally investigates the use of vortex generators for separation control on an inverted wing in ground effect using off-surface flow measurements and surface flow visualization. A typical racing car wing geometry is tested in a rolling road wind tunnel over a wide range of incidenc ... [J. Fluids Eng. 131, 121103 (2009)] published Thu Nov 19, 2009. Flow Separation Control on a Race Car Wing With Vortex Generators in Ground Effect http://link.aip.org/link/doi/10.1115/1.4000420 Yuichi Kuya, Kenji Takeda, Xin Zhang, Scott Beeton, and Ted Pandaleon<br/> Flow separation control using vortex generators on an inverted wing in ground effect is experimentally investigated, and its performance is characterized in terms of forces and pressure distributions over a range of incidence and ride height. Counter-rotating and co-rotating rectangular-vane type vo ... [J. Fluids Eng. 131, 121102 (2009)] published Thu Nov 19, 2009. An Experimental and Analytical Investigation of Rectangular Synthetic Jets http://link.aip.org/link/doi/10.1115/1.4000422 Gopi Krishnan and Kamran Mohseni<br/> In this paper the flow field of a rectangular synthetic jet driven by a piezoelectric membrane issuing into a quiescent environment is studied. The similarities exhibited by synthetic and continuous turbulent jets lead to the hypothesis that a rectangular synthetic jet within a limited region downst ... [J. Fluids Eng. 131, 121101 (2009)] published Tue Nov 10, 2009.