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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
..., 2018; final manuscript received July 20, 2018; published online September 10, 2018. Assoc. Editor: Matevz Dular. 05 03 2018 20 07 2018 Boundary layers Cavity flows Experimental techniques Films Micro-scale flows Seals are critical components in numerous mechanical...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011107.
Paper No: FE-17-1565
Published Online: August 16, 2018
... numbers associated with typical gel fiber experiments, this depleted region will be within some boundary layer with length inversely related to the Péclet number. With this species flux approximation, ∂ M 3 / ∂ z in Eq. (24) is simplified to (25) ∂ M 3 ∂ z...
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
... OF F LUIDS E NGINEERING . Manuscript received January 26, 2018; final manuscript received May 10, 2018; published online June 27, 2018. Assoc. Editor: Philipp Epple. 26 01 2018 10 05 2018 Aerodynamics Boundary layers Computational fluid dynamics Drag Fluid transients RANS...
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
... 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
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. 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. 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
... LUIDS E NGINEERING . Manuscript received April 6, 2017; final manuscript received January 5, 2018; published online March 13, 2018. Assoc. Editor: Elias Balaras. 06 04 2017 05 01 2018 Boundary layers Experimental techniques Flows in biological systems Laser diagnostics...
Journal Articles
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
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061203.
Paper No: FE-17-1457
Published Online: February 14, 2018
... 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 characteristics of internal flow...
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
... OF F LUIDS E NGINEERING . Manuscript received December 12, 2016; final manuscript received September 14, 2017; published online October 24, 2017. Assoc. Editor: Samuel Paolucci. 12 12 2016 14 09 2017 Aerodynamics Boundary layers Computational fluid dynamics Industrial flows...
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
... an analogy between the leading-edge-suction and the tip-vortices cores rolling onto the upper surface in the nondelta plan-forms extending the Polhamus' model to nondelta wings [ 29 ]. 20 03 2017 06 08 2017 Aerodynamics Boundary layers Drag Experimental techniques Lift Measurement...