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Keywords: Acoustics
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011102.
Paper No: FE-18-1019
Published Online: June 27, 2018
... on the aeroacoustic source of multiple shallow cavities is investigated. The standing wave method (SWM) is used to measure the source, where multiple microphones reconstruct the acoustic standing wave upstream and downstream of the cavities. The effect of the ratio between the separation distance to cavity length...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091203.
Paper No: FE-17-1718
Published Online: April 19, 2018
...-acoustic sources generated by one-, two-, and three-cavity configurations have been experimentally investigated by means of the standing wave method (SWM) for a wide range of Strouhal numbers and acoustic excitation levels. The source strength is found to increase in a nonlinear manner with increasing...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. April 2018, 140(4): 041105.
Paper No: FE-17-1354
Published Online: December 4, 2017
... of the shear layers on and the proximity of the vortices to the slat and the main wing are expected to be strong acoustic dipoles in both cases. 1 Corresponding author. Contributed by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021201.
Paper No: FE-16-1504
Published Online: November 3, 2017
... of the serrated trailing edge. Furthermore, the present study demonstrates the feasibility of performing an acoustic optimization with a hybrid approach that predicts the noise analytically and extracts the aerodynamic input data from a steady-state RANS flow solution. 1 Corresponding author. Contributed...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2018, 140(3): 031105.
Paper No: FE-17-1153
Published Online: October 27, 2017
...Seung Joong Kim; Hyung Jin Sung Large eddy simulations are carried out to predict the flow noise produced in the solenoid valve of an antilock braking system (ABS) using Lighthill’s acoustic analogy and the Ffowcs Williams and Hawkings (FW–H) surface integral method. The fluid inside the valve...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021103.
Paper No: FE-16-1475
Published Online: October 19, 2017
... by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received July 22, 2016; final manuscript received August 15, 2017; published online October 19, 2017. Assoc. Editor: Olivier Coutier-Delgosha. 22 07 2016 15 08 2017 Acoustics...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2017, 139(11): 111204.
Paper No: FE-17-1211
Published Online: August 11, 2017
... OF F LUIDS E NGINEERING . Manuscript received April 6, 2017; final manuscript received June 14, 2017; published online August 11, 2017. Assoc. Editor: Riccardo Mereu. 06 04 2017 14 06 2017 Acoustics Computational fluid dynamics LES Turbulence modeling Over the recent...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2017, 139(10): 101202.
Paper No: FE-16-1658
Published Online: July 10, 2017
... ,” Verhandlungen des III Internationalen Mathematiker-Kongresses, Heidelberg, Germany, pp. 484 – 491 . [5] Kampinga , R. , 2010 , “ Viscothermal Acoustics Using Finite Elements—Analysis Tools for Engineers ,” Ph.D. thesis , University of Twente, Enschede, The Netherlands. http://doc.utwente.nl/71858/1...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2017, 139(9): 091301.
Paper No: FE-16-1300
Published Online: June 20, 2017
... character. Computations appear to capture the complete spectrum of cavity closure conditions. A detailed comparison of computational simulation and physical experiment at similar conditions is also included as a means to validate the computational results. Acoustics Cavitation Computational fluid...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2017, 139(6): 061303.
Paper No: FE-16-1204
Published Online: April 5, 2017
... for the hydrofoil size variation experiment. Wall effects and flow field interaction are prevented with the aid of computational fluid dynamics. Images taken with a high‐speed camera are used to count N 0 by visual inspection. The noise signals at all conditions are measured and an acoustic bubble counting...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. April 2017, 139(4): 041301.
Paper No: FE-16-1107
Published Online: January 20, 2017
...Xin Liu; Lingjiu Zhou; Xavier Escaler; Zhengwei Wang; Yongyao Luo; Oscar De La Torre A fluid–structure interaction (FSI) system has been solved using the coupled acoustic structural finite element method (FEM) to simplify the cavitating flow conditions around a hydrofoil. The modes of vibration...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2017, 139(1): 011304.
Paper No: FE-15-1906
Published Online: October 18, 2016
... acoustic energy dissipation model is derived from the oscillatory solutions of one-dimensional (1D) nondimensionalized mass and momentum equations to facilitate the interpretation of the results. Tests were performed on a 1500 m long, 50 mm internal diameter pipeline in which pressure disturbances were...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2016, 138(11): 111302.
Paper No: FE-15-1531
Published Online: July 15, 2016
..., modulation, and gas flow rate on the acoustics and spray character within an industrial scale system were investigated computationally using axisymmetric (AS) and three-dimensional (3D) models. Metrics included stream pressure pulsations, spray lift-off, spray angle, and primary droplet length scale, along...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2016, 138(11): 111303.
Paper No: FE-15-1540
Published Online: July 15, 2016
...Wayne Strasser; Francine Battaglia Acoustics and ligament formation within a self-generating and self-sustaining pulsating three-stream injector are analyzed and discussed due to the importance of breakup and atomization of jets for agricultural, chemical, and energy-production industries...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. August 2016, 138(8): 084501.
Paper No: FE-15-1677
Published Online: May 18, 2016
...V. Sivadas; K. Balaji; M. Sampathkumar; M. M. Hassan; K. M. Karthik; Koneru Saidileep The investigation focuses on optimizing the length of wind-pipe that transmits acoustic energy from the compression driver to the cavity of twin-fluid atomizers. To accomplish this objective, the primary variable...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. April 2016, 138(4): 041309.
Paper No: FE-14-1668
Published Online: December 8, 2015
...David R. Escudero; Theodore J. Heindel Understanding the jetting phenomena near the gas distributor plate in a fluidized bed is important to gas–solid mixing, heat and mass transfer, and erosion to any bed internals, which can all affect the performance of the bed. Moreover, acoustic vibration...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2015, 137(10): 101201.
Paper No: FE-14-1235
Published Online: October 1, 2015
... hemispheres by perturbation method. We have obtained analytical solutions for the velocity field, the shear rate, and the flow pattern of steady streaming created by the nonlinear interaction of the oscillatory flow. Acoustics Flows in biological systems Newtonian flows Vortices Protein...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. March 2016, 138(3): 031102.
Paper No: FE-15-1080
Published Online: October 1, 2015
... . Manuscript received February 1, 2015; final manuscript received August 22, 2015; published online October 1, 2015. Assoc. Editor: Moran Wang. 01 02 2015 22 08 2015 Acoustics Aerodynamics Computational fluid dynamics Fluid-structure interaction Unsteady flows A high-speed...