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Keywords: bluff body
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Proceedings Papers

Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T04A013, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130681
... Abstract The current work experimentally examines the airflow behaviour around a wedge-shaped bluff body. It focuses on comparisons between the baseline case of the bluff body in an airflow and four cases where a counterflow water spray is added upstream of the bluff body. The cases...
Proceedings Papers

Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A030, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87654
... compared to the other cases. Keywords: flow separation, uniform flow, bluff body NOMENCLATURE AR Aspect ratio (L/h) BR Blockage ratio (h/Hu) FOV Field of view Fr Froude number h Vertical height of the cylinder Hu Water level L Streamwise length of the cylinder Lp Mean reattachment length of primary vortex...
Proceedings Papers

Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A010, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86964
... are presented to quantitatively assess the effects of Reynolds number and aspect ratio. flow separation uniform flow bluff body Proceedings of the ASME 2022 Fluids Engineering Division Summer Meeting FEDSM2022 August 3-5, 2022, Toronto, Ontario, Canada FEDSM2022-86964 EFFECTS OF REYNOLDS NUMBER...
Proceedings Papers

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A030, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87937
... Abstract Although streamlined geometries are well studied in the context of direct exposure to a flow, when they are in the wake of a bluff body the aerodynamic performance is less understood. In these scenarios complexities arise such as interactions with vortices that lead alter...
Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A026, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65448
... of the shear layer shedding frequency measured near the leading edge. flow separation bluff body uniform flow Proceedings of the ASME 2021 Fluids Engineering Division Summer Meeting FEDSM2021 August 10-12, 2021, Virtual, Online FEDSM2021-65448 INTERACTIONS BETWEEN THE SHEAR LAYER EMANATING FROM...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A042, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20257
... elevated regions of the Reynolds stresses, eddy viscosity and correlation coefficient are observed in both cases with the peak values at a vertical location corresponding to the maximum elevation of the mean separating streamline. flow separation wall roughness bluff body THE EFFECTS OF UPSTREAM...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A043, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20258
... fluctuating velocity over the step are mostly induced by vortex shedding motion from the leading edge of the step. flow separation wall roughness bluff body THE EFFECTS OF UPSTREAM WALL ROUGHNESS ON THE SPATIO-TEMPORAL CHARACTERISTICS OF FLOW SEPARATIONS INDUCED BY A FORWARD-FACING STEP Sedem...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A088, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5530
.... The characteristic frequencies of the velocity fluctuation which seems to be due to recirculation bubble pumping and large-scale structure are observed from power spectrum density. bluff body cylinder wake structure flow visualization MSBS EFFECT OF FINENESS RATIO OF 0.5 - 2.0 ON THE WAKE STRUCTURE...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A034, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4685
... Abstract This paper presents an experimental study conducted on turbulent single and two-phase swirling flow in a circular pipe with a bluff body. Laser Doppler Velocimetry (LDV) was used to measure liquid velocity radial profiles. The measurements were performed in a closed water-air loop...
Proceedings Papers

Proc. ASME. FEDSM2005, Volume 1: Symposia, Parts A and B, 447-453, June 19–23, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2005-77046
... of attack of a square cylinder based on a collection of data in the literature. It is further found that C d St is actually the ratio of the dimensionless work done upon the fluid by the cylinder to the dimensionless wavelength. drag coefficient Strouhal number corner bluff body work...