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Keywords: Waves
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011201.
Paper No: FE-17-1619
Published Online: June 27, 2018
.... The general formulation presented here may be simplified to derive Morkovin's formulation by the perfect gas assumption. The magnitudes of downstream disturbances field resulting from different types of upstream disturbances field (entropy wave and fast/slow acoustic waves) with the shock are expressed...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101203.
Paper No: FE-17-1786
Published Online: May 2, 2018
...Tong-Chuan Che; Huan-Feng Duan; Pedro J. Lee; Silvia Meniconi; Bin Pan; Bruno Brunone The study of transient pressure waves in both low- and high-frequency domains has become a new research area to provide potentially high-resolution pipe fault detection methods. In previous research works, radial...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081301.
Paper No: FE-17-1522
Published Online: March 29, 2018
... force imbalance at the sharp corner, and large amplitude waves (LAW) at the interface, which contributes to liquid instability at the corner. Experimental results for liquid Re f number that varies from 100 to 300 and mean film thickness from 130 to 290 μ m show that both film inertia and LAW effects...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061202.
Paper No: FE-17-1448
Published Online: February 6, 2018
...Sang Bong Lee Two-dimensional (2D) numerical simulations of multiphase flows past a circular cylinder close to free surface waves were performed to investigate an interaction of vortex formation around a cylinder with periodic waves by utilizing waves2Foam. The lock-on responses of lift coefficient...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2018, 140(4): 041204.
Paper No: FE-16-1765
Published Online: December 4, 2017
... the kinematic characteristics in resonance conditions, the second one covers a wave response analysis in a wide range of enforced motion frequencies, and the last one examines the dynamic properties of the fluid motion in detail. The simulations are carried on for at least 50 periods in the wave response...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2018, 140(3): 031203.
Paper No: FE-17-1121
Published Online: October 19, 2017
... dynamics (CFD). The advance of a vessel in presence of a density interface (pycnocline) results in the generation of an internal wave that in the most adverse conditions can increase the total resistance coefficient by almost an order of magnitude. This paper analyses the effects of stratification on total...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2017, 139(10): 101202.
Paper No: FE-16-1658
Published Online: July 10, 2017
... impulses to the brain leading to hearing perception. The work presents the wave propagation in rigid ducts filled with air or water including viscous-thermal boundary layer damping. In extension, a mechanical box model of the human cochlea represented by a rectangular duct limited by the tapered basilar...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2017, 139(1): 011304.
Paper No: FE-15-1906
Published Online: October 18, 2016
...Jaqueline Costa Martins; Paulo Seleghim, Jr. The propagation and attenuation of pressure waves in highly dispersed gas–liquid flows are investigated in this work, and an indirect measurement method is proposed to assess the attenuation coefficient in short pipelines. Additionally, a mechanistic...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2016, 138(11): 111103.
Paper No: FE-15-1833
Published Online: July 15, 2016
...Adam Oler; Ning Zhang; Steven R. Brandt; Qin Chen Numerical simulations of storm-surge–wave actions on coastal highways and levees are very important research topics for coastal engineering. In a large-scale region hydrodynamic model, highways and levees are often complicated in geometry and much...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2016, 138(9): 091302.
Paper No: FE-15-1176
Published Online: May 30, 2016
... and magnitudes, particularly at the stratified wavy two-phase flow regime. The proposed model was developed from the local instantaneous two-fluid model, and adopting guided acoustic theory and dynamic properties of one-dimensional (1D) waves to consider the collisional force due to the interaction between...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2016, 138(6): 061202.
Paper No: FE-15-1409
Published Online: February 17, 2016
...A. Nikiforov This paper determines natural and resonant frequencies of radial–circular oscillations (waves) on the nonviscous, incompressible fluid partially and evenly filling similar compartments in a rotor that has the cylindrical chamber, solid radial baffles, and constant angular velocity...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2016, 138(5): 051102.
Paper No: FE-14-1354
Published Online: January 4, 2016
... fluid dynamics Free surface flows LES Turbulence Unsteady flows Vortices Wakes waves One of the simplest forms of a bluff body that has been extensively studied in various configurations is that of a cube. Although the geometry is relatively simple, it has been used to idealize many other...
Journal Articles
Publisher: ASME
Article Type: Review Articles
J. Fluids Eng. September 2015, 137(9): 090801.
Paper No: FE-14-1448
Published Online: September 1, 2015
... of highly dissipative fluid. It was possible to create a periodicity window, yielding within it a global pattern, roll-type structures, very stable, and with a subharmonic temporal behavior. In addition, Cabeza et al. [ 140 ] observed the generation of strongly localized solitary waves, which propagate over...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. December 2009, 131(12): 121402.
Published Online: November 30, 2009
... that are numerically stable as understood by an eigenvalue analysis. Finally, the predictive accuracy of the optimized schemes are evaluated using four canonical test problems that involve resolving linear convection, nonlinear Burger wave, turbulence along a flat plate, and circular cylinder wall pressure...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2009, 131(8): 081102.
Published Online: July 8, 2009
... the identification of a pressure wave propagation phenomenon and indicates the location of the corresponding pressure fluctuation excitation source in the elbow; hydroacoustic waves propagate from this source both upstream and downstream the draft tube. Evolution of pressure fluctuations amplitude spectra...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2009, 131(4): 041203.
Published Online: March 9, 2009
... coefficients were significantly larger than those for steady flow and were sensitive to the flow oscillation frequency. Significant phase lags were observed between the volume-averaged velocity and the pressure waves. The phase difference between pressure and velocity waves, which is important for pulse tube...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2007, 129(3): 293–301.
Published Online: August 9, 2006
... was employed. In order to reconstruct the two-phase interface, the volume of fluid (VOF) geometric reconstruction scheme was adopted. Simulation results indicated that disturbance waves were generated first on the two-phase interface and that their evolution eventually resulted in the liquid entrainment...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2006, 128(5): 968–975.
Published Online: March 9, 2006
... unstable traveling wave mode for different flow index numbers. Comparison with Newtonian liquids show that for small rotation rates shear thinning liquids are most stable to disturbances. In contrast for higher rotation rates we find shear thickening liquids are more stable than shear thinning liquids...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. September 2006, 128(5): 1106–1114.
Published Online: January 15, 2006
... are: length of main pipe, L = 1600 m ; mean discharge, Q 0 = 0.1 m 3 ∕ s ; mean pressure head, H 0 = 50 m ;internal diameter of the main pipe as well as of the branch pipe, D 0 = 0.3046 m ; wave velocity in the main and branch pipes, a = 1200 m...