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Keywords: boundary layers
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2019, 141(3): 031101.
Paper No: FE-18-1149
Published Online: September 10, 2018
.... , Sainsot , P. , and Zahouani , H. , 2009 , “ Real Versus Synthesized Fractal Surfaces: Contact Mechanics and Transport Properties ,” Tribol. Int. , 42 ( 2 ), pp. 250 – 259 . 10.1016/j.triboint.2008.06.005 Boundary layers Cavity flows Experimental techniques Films Micro-scale flows...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011107.
Paper No: FE-17-1565
Published Online: August 16, 2018
... 07 2018 Boundary layers Computational fluid dynamics Duct Fluid transients Microfluidics Mixing Non-Newtonian flows Reacting flows Channel Pipe flows The formation of solid like polymeric gel in a flowing liquid is an interesting physical phenomenon. A chemical reaction...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021202.
Paper No: FE-18-1104
Published Online: July 10, 2018
..., to large β -limit, for which the governing boundary layer equation reduces to an approximate one in which the convective inertial effects are negligible. An important finding of this study is that the governing boundary layer equation conceives an analytic solution for the specific relation β = 2a...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011205.
Paper No: FE-17-1612
Published Online: June 29, 2018
... to other popularly available EVMs. In this paper, we present a more complex 3D application of the model. The test case is turbulent boundary layer flow with thickness δ over a hill of height 2δ mounted in an enclosed channel. The flow Reynolds number based on the hill height (Re H ) is 1.3 × 10 5...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011103.
Paper No: FE-18-1056
Published Online: June 27, 2018
... , R.-S. , 2018 , “ Toward Cost-Effective Boundary Layer Transition Simulation With LES ,” ASME J. Fluids Eng. (accepted). [23] Spentzos , A. , Barakos , G. , Badcock , K. , Richards , B. , Wernert , P. , Schreck , S. , and Raffel , M. , 2005 , “ Investigation...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111201.
Paper No: FE-17-1757
Published Online: May 18, 2018
...Solkeun Jee; Jongwook Joo; Ray-Sing Lin An efficient large-eddy simulation (LES) approach is investigated for laminar-to-turbulent transition in boundary layers. This approach incorporates the boundary-layer stability theory. Primary instability and subharmonic perturbations determined...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091201.
Paper No: FE-17-1632
Published Online: April 19, 2018
.../S0022112060000049 [14] Michalke , A. , 1964 , “ On the Inviscid Instability of the Hyperbolictangent Velocity Profile ,” J. Fluid Mech. , 19 ( 4 ), pp. 543 – 556 . 10.1017/S0022112064000908 [15] Freymuth , P. , 1966 , “ On Transition in a Separated Laminar Boundary Layer ,” J. Fluid Mech...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081102.
Paper No: FE-17-1404
Published Online: March 29, 2018
... corresponds to R e θ = 15,000 . Flow conditioning via a tandem configuration of honeycombs and settling-chambers combined with an 8.5:1 area contraction resulted in an average test-section inlet turbulence level <0.3% and negligible mean shear in the test-section core. The developing boundary layer...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081201.
Paper No: FE-17-1386
Published Online: March 29, 2018
...Pascal Bader; Manuel Pschernig; Wolfgang Sanz; Jakob Woisetschläger; Franz Heitmeir; Walter Meile; Günter Brenn Flow in turbomachines is generally highly turbulent. Nonetheless, boundary layers may exhibit laminar-to-turbulent transition, and relaminarization of the turbulent flow may also occur...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081103.
Paper No: FE-17-1615
Published Online: March 29, 2018
... in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received September 27, 2017; final manuscript received February 13, 2018; published online March 29, 2018. Assoc. Editor: Kwang-Yong Kim. 27 09 2017 13 02 2018 Boundary layers Computational fluid dynamics Turbulence Unsteady...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071401.
Paper No: FE-17-1051
Published Online: March 16, 2018
..., 2018. Assoc. Editor: Daniel Livescu. 23 01 2017 22 11 2017 Boundary layers Duct LES PIV Turbulence Channel Pipe flows Inlet boundary conditions affect the accuracy of large eddy simulations (LES) significantly, and the treatment of inlet conditions for LES...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071204.
Paper No: FE-15-1708
Published Online: March 16, 2018
...Noor Afzal; Abu Seena The maxima of Reynolds shear stress and turbulent burst mean period time are crucial points in the intermediate region (termed as mesolayer) for large Reynolds numbers. The three layers (inner, meso, and outer) in a turbulent boundary layer have been analyzed from open...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061404.
Paper No: FE-17-1212
Published Online: March 13, 2018
... in a Nozzle Region of a Confined Double Annular Burner ,” ASME J. Fluids Eng. , 123 ( 2 ), pp. 228 – 236 . 10.1115/1.1366681 [34] Schultz , M. P. , and Flack , K. A. , 2003 , “ Turbulent Boundary Layers Over Surfaces Soothed by Sanding ,” ASME J. Fluids Eng. , 125 ( 5 ), pp. 863 – 870...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061403.
Paper No: FE-17-1514
Published Online: February 23, 2018
.... , 2014, “ Delayed Detached Eddy Simulation of Airfoil Stall Flows Using High-Order Schemes ,” ASME J. Fluids Eng. , 136 (11), p. 111104. 10.1115/1.4027813 [29] Kader , B. , 1981 , “ Temperature and Concentration Profiles in Fully Turbulent Boundary Layers ,” Int. J. Heat Mass Transfer , 24...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061203.
Paper No: FE-17-1457
Published Online: February 14, 2018
... inlet condition. Boundary layers Duct Newtonian flows Non-Newtonian flows Channel Pipe flows Contributed by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received July 27, 2017; final manuscript received November 12...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. May 2018, 140(5): 051203.
Paper No: FE-17-1432
Published Online: January 9, 2018
...Utkarsh Pathak; Subhajit Roy; Krishnendu Sinha High-speed flows with shock waves impinging on turbulent boundary layers pose severe challenge to current computational methods and models. Specifically, the peak wall heat flux is grossly overpredicted by Reynolds-averaged Navier–Stokes (RANS...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. April 2018, 140(4): 041202.
Paper No: FE-17-1283
Published Online: November 17, 2017
... of disorganization. The unfolding disorganization is seen as a departure from LCO, and it is attenuated by smooth-wall boundary-layer fencing, compared to unfenced smooth and rough surfaces. When the fencing properties of the leading edge tubercles of whale fins are recognized, the ratio of the spacing of the fences...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2018, 140(3): 031206.
Paper No: FE-16-1816
Published Online: October 24, 2017
... pressure gradient in the boundary layer. Because of the sharp turning angle of the sharp-edge model, the boundary layer flow close to the inner wall of the branch experiences a stronger expansion effect together with a sharp increase in the adverse pressure gradient relative to that of the round-edge model...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. December 2017, 139(12): 121204.
Paper No: FE-16-1495
Published Online: September 20, 2017
...James Sucec The integral form of the equation for x momentum is solved for the skin friction coefficient, in external thin boundary layer flow, on surfaces whose technical roughness elements' size is given. This is done by using a “roughness depression function” in the law of the wall and wake...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2018, 140(1): 011104.
Paper No: FE-17-1171
Published Online: September 20, 2017
... September 20, 2017. Assoc. Editor: Hui Hu. 20 03 2017 06 08 2017 For both wind tunnels, the flow velocity was measured using a Pitot probe system situated outside the boundary layer generated by the tunnel wall in the uniform upcoming flow. The total and static pressures were...