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Keywords: boundary layers
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2019, 141(3): 031101.
Paper No: FE-18-1149
Published Online: September 10, 2018
...; the most important being the leak rate, which varies as a function of surface roughness, surface energy, and contact pressure. Boundary layers Cavity flows Experimental techniques Films Micro-scale flows 05 03 2018 20 07 2018 Contributed by the Fluids Engineering Division...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011107.
Paper No: FE-17-1565
Published Online: August 16, 2018
... and were computed on a smaller computational domain of length z  = 2.5, half that used in the results presented in the rest of the paper. The conclusion is that while we under-resolve the Peclet number boundary layer, the qualitative features of the flow are correctly captured. Ultimately, achieving...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091201.
Paper No: FE-17-1632
Published Online: April 19, 2018
... Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received October 2, 2017; final manuscript received February 21, 2018; published online April 19, 2018. Assoc. Editor: Devesh Ranjan. 02 10 2017 21 02 2018 Boundary layers Jets PIV Vortices...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
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
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061403.
Paper No: FE-17-1514
Published Online: February 23, 2018
... Boundary layers Compressible flows Turbulence Turbulence modeling Computational aerodynamics plays a critical role in aircraft and missile aerodynamic design. An accurate prediction of flow-fields even for complex (with respect to geometry) flow simulations with low-computational cost is always...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061203.
Paper No: FE-17-1457
Published Online: February 14, 2018
... inlet condition. 27 07 2017 12 11 2017 Boundary layers Duct Newtonian flows Non-Newtonian flows Channel Pipe flows Steady, laminar flow through pipe and channel has been studied for a long time due to its importance in many practical applications [ 1 ]. The important...
Journal Articles
Publisher: ASME
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
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2018, 140(3): 031206.
Paper No: FE-16-1816
Published Online: October 24, 2017
... of the recirculation zone were denoted by y ps and y pr , respectively. The locations of these points referred to the locations with zero WSS, which was defined by the limit between the forward and reverse flow in the boundary layer, where the velocity gradient normal to the surface was zero. Because the host...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2018, 140(1): 011104.
Paper No: FE-17-1171
Published Online: September 20, 2017
... clearly observed. While the aim of the present paper is to demonstrate the effectiveness of the moving-wall as a flow-control method, it was found more convenient to focus on the flow separated region and leave the boundary layer measurements for a dedicated future work. As the moving-belt boundary layer...