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Keywords: Aerodynamics
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021105.
Paper No: FE-18-1156
Published Online: August 16, 2018
... Aerodynamics Compressible flows Drag Free shear layers Gas dynamics Supersonic flows Transonic flows Unsteady flows Wakes Base and afterbody flow constitute an important class of separated flows that govern the performance and stability of an aerospace vehicle. Investigations into the base...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111108.
Paper No: FE-18-1194
Published Online: August 6, 2018
... approaches on the flow field around trains, which affects the surface pressure and consequently the aerodynamic forces of the train, was not properly investigated in terms of their influence flow field. The SST and improved delayed detached eddy simulation (IDDES) turbulence models have been tested...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011105.
Paper No: FE-17-1550
Published Online: June 29, 2018
... for Predicting the Stability of Aerodynamically Excited Turbomachinery ,” ASME J. Turbomach. , 129 ( 4 ), pp. 724 – 729 . 10.1115/1.2720870 [6] Pollman , E. , Schwerdtfeger , H. , and Termuehlen , H. , 1978 , “ Flow Exited Vibrations in High-Pressure Turbines (Steam Whirl) ,” ASME J. Eng...
Journal Articles
Publisher: ASME
Article Type: Review Articles
J. Fluids Eng. February 2019, 141(2): 020801.
Paper No: FE-17-1623
Published Online: June 29, 2018
...O. H. Ehirim; K. Knowles; A. J. Saddington The ground-effect diffuser has become a major aerodynamic device on open-wheel racing and sports cars. Accordingly, it is widely considered to be indispensable to their aerodynamic performance, largely due to its significant downforce contribution. However...
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
.... A. , Páscoa , J. C. , and Xisto , C. M. , 2016 , “ Aerodynamic Optimization of Cyclorotors ,” Aircr. Eng. Aerosp. Technol. , 88 ( 2 ), pp. 232 – 245 . 10.1108/AEAT-02-2015-0051 [2] Gagnon , L. , Morandini , M. , Quaranta , G. , Masarati , P. , Xisto , C. M. , and Páscoa...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121202.
Paper No: FE-17-1634
Published Online: June 26, 2018
... and variation in aerodynamic forces. The simulations are carried out for various nondimensional rotation rates, axis ratio (AR) of the cylinder, and shear parameter. In shear flow past rotating elliptic cylinder, the negative vortices are sustained for longer distances in the downstream of the cylinder, and due...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121102.
Paper No: FE-17-1695
Published Online: June 13, 2018
... – ω were better than those of the shear stress transport (SST) transition. Aerodynamics Computational fluid dynamics Experimental techniques Stability Turbulence modeling Transition Low aspect ratios (AR) wing flows are quite important in terms of aerodynamics of micro-air vehicles...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121101.
Paper No: FE-17-1509
Published Online: June 13, 2018
... OURNAL OF F LUIDS E NGINEERING . Manuscript received August 18, 2017; final manuscript received May 2, 2018; published online June 13, 2018. Assoc. Editor: Jun Chen. 18 08 2017 02 05 2018 Aerodynamics Computational fluid dynamics Drag Turbulence Turbulence modeling Wakes...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111105.
Paper No: FE-17-1684
Published Online: June 4, 2018
... 2017 18 04 2018 Aerodynamics Complex flows Computational fluid dynamics Vortices The flow around passenger cars is characterized by various areas where flow separation can be observed. Regions with reversed flow, such as the rear wake or the wheel wake, create high energy losses...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101108.
Paper No: FE-17-1573
Published Online: May 18, 2018
... for public release; distribution is unlimited. 09 09 2017 16 04 2018 Aerodynamics Compressible flows Computational fluid dynamics Drag RANS simulations Shocks Transonic flows Unsteady flows The aircraft industry has been responding to the need for energy-efficient...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091102.
Paper No: FE-17-1625
Published Online: April 19, 2018
...O. H. Ehirim; K. Knowles; A. J. Saddington; M. V. Finnis A ground-effect diffuser is an upward-sloping section of the underbody of a racing car that enhances aerodynamic performance by increasing the downforce, thus improving tire grip. The downforce generated by a diffuser can be increased...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091101.
Paper No: FE-17-1317
Published Online: April 19, 2018
.... , 1999 , Intake Aerodynamics (AIAA education series), 2nd ed. , E. L. Goldsmith , ed., American Institute of Aeronautics and Astronautics , Oxford, UK. [2] Guo , R. W. , and Seddon , J. , 1983 , “ The Swirl in an S-Duct of Typical Air Intake Proportions ,” Aeronaut. Q. , 34 ( 2...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071103.
Paper No: FE-17-1465
Published Online: March 16, 2018
.... 29 07 2017 22 11 2017 Aerodynamics Cavity flows Compressible flows Supersonic flows Unsteady flows Studies on cavity flows are reported since past few decades due to its wide range of applications. Specifically cavity flows are involved in the landing gear undercarriage...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071104.
Paper No: FE-17-1576
Published Online: March 16, 2018
...T. Lee; L. S. Ko The ground effect on the aerodynamic loading and leading-edge vortex (LEV) flow generated by a slender delta wing was investigated experimentally. Both the lift and drag forces were found to increase with reducing ground distance (up to 50% of the wing chord). The lift increment...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071202.
Paper No: FE-17-1555
Published Online: March 13, 2018
...T. Lee; V. Tremblay-Dionne The aerodynamic properties and flowfield of a NACA 0015 airfoil over a wavy ground were investigated experimentally via surface pressure and particle image velocimetry (PIV) measurements. Flat-surface results were also obtained to be served as a comparison. For the wavy...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071201.
Paper No: FE-17-1526
Published Online: March 13, 2018
... ∞ = freestream velocity α i = spatial growth rate γ = resolved-to-total turbulent kinetic energy References [1] Lei , J. , and He , J. , 2015 , “ Adjoint-Based Aerodynamic Shape Optimization for Low Reynolds Number Airfoils ,” ASME J. Fluids Eng. , 138 ( 2 ), p. 021401...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061104.
Paper No: FE-17-1384
Published Online: March 13, 2018
... for the symmetric NACA 0012 airfoil and these are used to validate the LESs. Good agreement between computed and experimentally observed coefficients is found confirming the accuracy of the method. The influence of foil asymmetry on the aerodynamic coefficients is analyzed by subjecting a NACA 4412 airfoil...
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
... by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received August 19, 2017; final manuscript received December 13, 2017; published online February 23, 2018. Assoc. Editor: Daniel Livescu. 19 08 2017 13 12 2017 Aerodynamics...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061402.
Paper No: FE-17-1314
Published Online: February 6, 2018
... turbine is adopted to validate the developed method. By the method, the process of grid generation becomes very simple and the unsteady data transferring between stator and rotor is realized without the process of being averaged or weighted. Based on the analysis of some important aerodynamic parameters...