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Keywords: aerodynamics
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2024, 146(10): 101204.
Paper No: FE-23-1603
Published Online: April 15, 2024
...Evren Geydirici; Kuzey C. Derman; Sertac Cadirci The design and optimization of propellers for unmanned aerial vehicles (UAVs) are essential for optimal performance and high efficiency. This study presents a numerical investigation of the aerodynamic performance of coaxial octocopters using...
Journal Articles
Publisher: ASME
Article Type: Review Articles
J. Fluids Eng. September 2024, 146(9): 090801.
Paper No: FE-23-1438
Published Online: April 12, 2024
..., the dimensionless parameters such as lift-coefficient ( C L ) and drag-coefficient ( C D ) are used to study their aerodynamic characteristics, and they can be expressed by Eqs. (7) and (8) , respectively, c being the blade chord. The reason behind the generation of lift and drag is the pressure distribution...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2024, 146(3): 031205.
Paper No: FE-23-1128
Published Online: January 12, 2024
...Y. E. William; S. Kanagalingam; M. H. Mohamed The underlying physics ever behind the aerodynamics of an airfoil in ground effect (GE) are still not fully resolved. In this work, the aerodynamics for an airfoil in GE is investigated computationally for both transitional and turbulent flow regimes...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2024, 146(3): 031301.
Paper No: FE-23-1303
Published Online: January 8, 2024
..., NY . [13] Chapman , D. , 1979 , “ Computational Aerodynamics Development and Outlook ,” AIAA J. , 17 ( 12 ), pp. 1293 – 1313 . 10.2514/3.61311 [14] Choi , H. , and Moin , P. , 2012 , “ Grid-Point Requirements for Large Eddy Simulation: Chapman's Estimates...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121402.
Published Online: December 23, 2011
... aerodynamics computational fluid dynamics flow control flow simulation iterative methods ventilation vents (mechanical components) wind wind tunnels The ultimate goal of this research is to add unsteady multidimensional wind display to a VE and improve the sense of immersion for a VE user...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121103.
Published Online: December 20, 2011
... of the Aerodynamic Derivatives of a Vehicle in Cross Wind Gusts ,” SAE International Congress and Exposition, Detroit, MI, SAE Paper No. 730232. 6 Garry , K. P. , and Cooper , K. R. , 1996 , “ Comparison of Quasi Static and Dynamic Wind-Tunnel Measurements on Simplified Tractor-Trailer Models ,” J...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2011, 133(12): 121102.
Published Online: December 19, 2011
...Mehmet N. Tomac; Kevin Yugulis; James W. Gregory; James Loftus; Tony Ferrito This work develops an understanding of the flow mechanisms that induce vibrations on automotive side view mirrors. The unsteady nature of the flow over side view mirrors causes unsteady aerodynamic load distributions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111104.
Published Online: November 8, 2011
..., and flow compressibility on the onset of stall. This approach also presents an analysis method that can be used to predict the stall of airfoils with alternative nose geometry. 16 01 2011 09 09 2011 09 09 2011 08 11 2011 08 11 2011 aerodynamics boundary layer turbulence...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111105.
Published Online: November 8, 2011
... drop pore density dimensional analysis aerodynamics alumina ceramics flow simulation flow through porous media foams porosity silicon compounds viscosity 28 02 2011 20 09 2011 20 09 2011 08 11 2011 08 11 2011 2011 American Society of Mechanical...
Journal Articles
Publisher: ASME
Article Type: Technology Review
J. Fluids Eng. November 2011, 133(11): 114001.
Published Online: October 19, 2011
...Martin O. L. Hansen; Helge Aagaard Madsen The paper describes the development and description of the aerodynamic models used to estimate the aerodynamic loads on wind turbine constructions. This includes a status of the capabilities of computation fluid dynamics and the need for reliable airfoil...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. November 2011, 133(11): 111001.
Published Online: October 13, 2011
... of the wheel housing has an influence on flows on both the inside and the outside of the wheelhouse. 01 03 2011 30 08 2011 13 10 2011 13 10 2011 aerodynamics flow simulation Navier-Stokes equations numerical analysis rotational flow turbulence vortices wheels...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. October 2011, 133(10): 101101.
Published Online: October 4, 2011
... optimization process is conducted with three design variables defining stagger angles at the hub, mid-span, and tip, and the second is conducted with five design variables defining hub-to-tip ratio, hub cap installation distance, hub cap ratio, and the stagger angles at the mid-span and tip. Two aerodynamic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2011, 133(8): 081101.
Published Online: August 16, 2011
... section wall configurations were investigated, namely, geometrically straight walls (GSW), aerodynamically straight walls (ASW), and streamlined walls (SLW). The results show that solid blockage effects are evident in cylinder surface pressure distributions for the GSW and ASW configurations, manifested...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. July 2011, 133(7): 071302.
Published Online: July 22, 2011
...Shun C. Yen; Yu F. Fei This study investigates the effects of Reynolds number, angle of attack, and winglet dihedral (δ) on the smoke-streak flow patterns, surface oil-flow configurations, and aerodynamic performance of the wingleted wings. The airfoil is NACA 0012 and the winglet dihedral varies...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. July 2011, 133(7): 074501.
Published Online: July 5, 2011
... aerodynamics compressible flow flow simulation microchannel flow Poiseuille flow slip flow subsonic flow Table 1 Comparison of experimental data from Harley et al. [( 1 22 )] Case JH6 JH6 Width (μm) 96.6 96.6 Depth ( μ m) 0.51 0.51 D h ( μ m) 1.01 1.01 Length (mm...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 2011, 133(6): 061102.
Published Online: June 15, 2011
...Graham Doig; Tracie J. Barber; Andrew J. Neely For inverted wings in close ground proximity, such as race car configurations, the aerodynamic ground effect can produce local velocities significantly greater than the freestream and the effects of compressibility may occur sooner than would...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2011, 133(4): 041103.
Published Online: May 16, 2011
... to the supply ports that could not be reproduced experimentally at an equivalent cost, the geometry most likely to alleviate the back-flow anomaly has been identified. 05 07 2010 03 02 2011 03 02 2011 16 05 2011 16 05 2011 aerodynamics computational fluid dynamics flow...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031103.
Published Online: March 16, 2011
... and modeling approaches used for these applications and to develop physical understanding of the aerodynamics of gear windage loss. Several spur gear geometries are considered, for which experimental data are available. Various canonical shrouding configurations and free spinning (no shroud) cases are studied...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. February 2011, 133(2): 021102.
Published Online: February 4, 2011
..., or serrations that have previously been used to reduce airfoil drag will also be considered. 06 06 2010 19 12 2010 04 02 2011 04 02 2011 aerodynamics aerospace components automotive components blades drag reduction fans Industrial fans are widely used for cooling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2010, 132(12): 121102.
Published Online: December 3, 2010
... distortion as compared with counter-rotating inflow distortion. aerodynamics blades compressors fans flow measurement rotational flow turbomachinery wavelet transforms flow instability rotating stall static inflow distortion dynamic inflow distortion stall inception Stable...