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Keywords: PIV
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2024, 146(11): 111202.
Paper No: FE-23-1575
Published Online: May 3, 2024
... separation bubble turbulence production PIV The radial clearance between the rotor blade tip and the casing wall of an axial compressor is crucial for its assemblage and operation. The presence of tip clearance leads to the occurrence of the TLF, primarily driven by the pressure deviation between...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2024, 146(2): 021203.
Paper No: FE-23-1381
Published Online: December 11, 2023
... of the turbomachinery, particle image velocimetry (PIV) is used to measure the velocity field in the rotor wake. Interpolating reconstruction of spacing between different measurement planes, the reconstruction results are relative to the theory, in which plane spacing should be less than 20 deg. Using the vorticity...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2022, 144(9): 091401.
Paper No: FE-21-1626
Published Online: March 11, 2022
... projected on the channel frontal plane were obtained with particle image velocimetry (PIV) for the dispersed phase of bubbly flows. Stratified pipe flow pattern results in PSHE channel segregated flow. The thermal analysis of segregated flow patterns occurring in the hot and cold sides of a PSHE reveals...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2019, 141(6): 061102.
Paper No: FE-18-1352
Published Online: December 10, 2018
... and 125 mm, i.e., radius ratio ( α = R i / e ) of 0.39 and 0.80, respectively, with the aim of improving the understanding of flows in annular ducts. Particle image velocimetry (PIV) was applied to obtain instantaneous and averaged velocity measurements of the flow field. A charge-coupled device camera...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2019, 141(5): 051102.
Paper No: FE-16-1844
Published Online: November 8, 2018
...Majid Bizhani; Ergun Kuru An experimental program was conducted to investigate turbulent flow of water over the stationary sand bed deposited in horizontal annuli. A large-scale horizontal flow loop equipped with the state-of-the-art particle image velocimetry (PIV) system has been used...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011206.
Paper No: FE-17-1422
Published Online: August 16, 2018
... 2017 12 07 2018 Electro-hydrodynamic flows PIV Pumps Turbomachines A strong electric field applied between the two electrodes initiates a corona discharge which results in ionization of gas molecules. The gaseous ion flux along the electric field lines induces ionic wind, also...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021201.
Paper No: FE-17-1598
Published Online: July 10, 2018
... , “ The Turbulent Airflow Over Wind Generated Surface Waves ,” Eur. J. Mech.-B/Fluids , (in Press). 10.1016/j.euromechflu.2018.04.003 [13] Zhu , W. , Van Hout , R. , and Katz , J. , 2007 , “ PIV Measurements in the Atmospheric Boundary Layer Within and Above a Mature Corn Canopy—Part II: Quadrant...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011102.
Paper No: FE-18-1019
Published Online: June 27, 2018
... configuration. Particle image velocimetry (PIV) measurements of the constructive interference cases show strong synchronized vorticity shedding in all cavities. Each cavity contribution to the total aeroacoustic source is then examined by means of Howe's analogy, and the percentage contribution of each cavity...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121108.
Paper No: FE-18-1031
Published Online: June 26, 2018
... Mereu. 18 01 2018 04 05 2018 Computational fluid dynamics Jets Laser diagnostics Mixing PIV RANS simulations Turbulence Turbulence modeling The systems and component designs of advanced reactors can be analyzed through the use of computational fluid dynamics (CFD...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111202.
Paper No: FE-18-1007
Published Online: May 18, 2018
.... Fluid Mech. , 31 ( 1 ), pp. 239 – 272 . 10.1146/annurev.fluid.31.1.239 [21] Aleyasin , S. S. , Tachie , M. F. , and Koupriyanov , M. , 2017 , “ PIV Measurements in the Near and Intermediate Field Regions of Jets Issuing From Eight Different Nozzle Geometries ,” Flow, Turbul...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091201.
Paper No: FE-17-1632
Published Online: April 19, 2018
...Adam Ritcey; Joseph R. McDermid; Samir Ziada The maximum impingement plate skin friction and flow field is measured for an acoustically forced planar impinging gas jet using oil film interferometry (OFI) and particle image velocimetry (PIV), respectively. The study is performed at a jet Reynolds...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081107.
Paper No: FE-17-1545
Published Online: April 10, 2018
... the mean flow and the turbulence characteristics. Here, the proper orthogonal decomposition (POD) technique was employed on the velocity measurements obtained using particle image velocimetry (PIV) to quantify the external characteristics of a superheated water jet released into water. This was done...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081106.
Paper No: FE-17-1493
Published Online: April 10, 2018
... field inside the wafer rinsing tank with this original lifter orientation setup was studied and compared through numerical simulation and flow visualization using particle image velocimetry (PIV) method, and a strong agreement was found between them in terms of velocity calculation. A new lifter...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081102.
Paper No: FE-17-1404
Published Online: March 29, 2018
... intensity was <1%, a single-component hot-film-anemometer (HFA; MiniCTA-54T42, Dantec, Skovlunde, Denmark) with a cylindrical hot-film probe (55R15, Dantec) was used. The probe was positioned at x = 60 mm and sampled at 500 Hz. Mean HFA signals were calibrated in situ with simultaneous PIV...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081205.
Paper No: FE-17-1678
Published Online: March 29, 2018
.... These are challenging problems to solve with computational fluid dynamics (CFD) [ 7 ]. Computational fluid dynamics Direct numerical simulation Free surface flows Liquid-solid Multiphase flows Naval hydrodynamics PIV Unsteady flows Waves 21 10 2017 05 02 2018 Contributed...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071203.
Paper No: FE-17-1617
Published Online: March 13, 2018
...Paulius Vilkinis; Nerijus Pedišius; Mantas Valantinavičius Flow over a transitional-type cavity in microchannels is studied using a microparticle image velocimetry system ( μ PIV) and commercially available computational fluid dynamics (CFD) software in laminar, transitional, and turbulent flow...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2018, 140(4): 041105.
Paper No: FE-17-1354
Published Online: December 4, 2017
... is the deployment of high-lift devices, like leading-edge slats. The unsteady turbulent flow over a leading-edge slat is studied herein. In particular, particle image velocimetry (PIV) measurements were performed on a scale-model wing equipped with a leading-edge slat in the H.J. Irving–J.C.C. Picot Wind Tunnel...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2018, 140(4): 041201.
Paper No: FE-17-1377
Published Online: November 16, 2017
... the nozzle to the surface of a cylinder. The particle image velocimetry (PIV) method was used to measure the mean streamwise velocity profiles, which were normalized by the maximum velocity along the centerline of the impinging jet onto the cylinder. After the impingement of the circular jet, a 3D curved...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2018, 140(1): 011104.
Paper No: FE-17-1171
Published Online: September 20, 2017
... control postponed the stall onset by 25 deg and produced a 103% gain in lift without any saturation signs at a control speed ratio of U b /U = 6. Particle image velocimetry (PIV) measurements confirmed the effectiveness of the moving-wall control strategy on the upper surface flow reattachment. Moreover...