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Keywords: optimization
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Proceedings Papers

Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A003, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86728
... Abstract The objective of this study is suppressing the diffuser rotating stall (DRS) for wide range from larger flow rate to shut off without reducing the maximum efficiency. Another objective is to confirm the effectiveness of the optimized diffuser vane slit by experiments and to clarify...
Proceedings Papers

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A006, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86873
... Abstract A device generating high-speed microjets from a liquid-filled microtube with laser-induced bubbles gets attention due to possibility of various engineering applications. In this study, we optimized the placement and bubble size of the laser-induced bubbles to maximize the efficiency...
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
... the aerodynamics. Such unsteady nature changes optimal streamlining in a bluff body wake. For this reason, this study will explore variations of an elliptical body at several points in the wake of a D-tube shaped object. The goal is to outline a general characterization of such a case to facilitate in designing...
Proceedings Papers

Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A038, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65787
... Proceedings of the ASME 2021 Fluids Engineering Division Summer Meeting FEDSM2021 August 10-12, 2021, Virtual, Online FEDSM2021-65787 SECONDARY FLOW LOSS REDUCTION METHOD BY USE OF ENDWALL CONTOURING IN GAS TURBINE CASCADE USING OPTIMIZATION METHOD Kazuki Yamamoto Ryota Uehara Shohei Mizuguchi...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A027, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20144
...DESIGN OPTIMIZATION OF SPLITTER BLADE IMPELLER IN A CENTRIFUGAL PUMP Shunya Takao Osaka Institute of Technology Osaka, Japan Kentarou Hayashi Osaka Institute of Technology Osaka, Japan ABSTRACT In order to improve suction performance, centrifugal pumps with an inducer are used for rocket pumps...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A038, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20219
...OPTIMIZATION OF THE AERODYNAMIC AND AEROACOUSTIC CHARACTERISTICS OF A SMALL CENTRIFUGAL FAN BY MEANS OF INVERSE DESIGN AND EVOLUTIONARY ALGORITHMS Chris Eisenmenger1 Stefan Frank1, Paul Uwe Thamsen2, 1HTW Berlin - University of Applied Sciences, Faculty 2: School of Engineering - Technology...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A028, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20147
... performance of the airfoil. In this study, the configuration of a pure suction jet actuator is optimized over an oscillating NACA0012 airfoil at the Reynolds number of 1.35 × 10 5 to control the dynamic stall behavior. The airfoil was pitched around the quarter-chord location with a sinusoidal motion...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A029, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20149
... blowing jet were optimized to improve the aerodynamic performance of an oscillating NACA0012 airfoil. The airfoil underwent a sinusoidal motion about its quarter-chord between −5 and 25 degrees at the Reynolds number of 1.35 × 10 5 . Unsteady Navier-Stokes equations were solved with k-ω SST turbulence...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A032, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20433
... Abstract This work presents the methodology and results of the optimization of the internals (Inlet distributor, oil and water collectors) of a 20,000 BPD (0.037 m 3 /s) gun-barrel tank starting from an existing design. Computational fluid dynamics (CFD) was applied to simulate and evaluate...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A056, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20196
... Abstract The effect of placing a stationary airfoil downstream of a pitching airfoil in a tandem configuration was investigated using computational fluid dynamics. A finite-volume URANS solver was employed to simulate the flow field. An optimization study was performed at the low Reynolds...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A059, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20391
... time is calculated via the data-driven framework. dry powder inhaler machine learning MFiX CFD optimization PARAMETRIC OPTIMIZATION OF A DRY POWDER INHALER ABSTRACT In the present study, particles in cell method, a Eulerian-Lagrangian approach is used to simulate the flow in an inhaler...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A004, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4784
... Abstract The goal of this study is to create an optimized Blalock-Taussig shunt used to temporarily repair pulmonary vascular blockages allowing a child time to grow so a more permanent surgical repair of the heart and vasculature can be performed. Blalock-Taussig or BT shunts are a surgical...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A076, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5182
...OPTIMIZATION OF A CYCLONE USING MULTIPHASE FLOW COMPUTATIONAL FLUID DYNAMICS Justin Weber1*, William Fullmer2, Aytekin Gel3 and Jordan Musser1 1US Department of Energy, National Energy Technology Laboratory, Morgantown, WV 2National Energy Technology Laboratory, Leidos, Morgantown, WV 3ALPEMI...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A022, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4993
.... In order to reducing the cavitation occupation in steam trap valves, this paper mainly deals with an optimization study. With Computational Fluid Dynamics codes, numerical model of a typical steam trap valve is established with Mixture model. The inner pressure field, flow field and steam volume fraction...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A013, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4611
... Abstract Optimization is uprising technology in the engineering field, which enhance the performance of mechanical components. Likewise, upcoming turbomachinery designs need to be more efficient, cost-effective and easy manufacturing. Many optimization techniques have implemented...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A023, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5146
... Abstract This paper describes the numerical optimization of an axial fan focused on the blade and guide vane (GV). For numerical analysis, three-dimensional (3D) steady-state Reynolds-averaged Navier-Stokes (RANS) equations with the shear stress transport (SST) turbulence model are discretized...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A034, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5371
... Abstract The purpose of this paper is to present optimization method of an inducer blade shape to improve its suction performance and clarify the relationship between pump performance and design parameters. In order to conduct the optimization process a response surface based optimization...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A076, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5367
... a so-called endwall fence experimentally to reduce the secondary loss in a gas turbine cascade. However, it is very difficult to handle many design parameters simultaneously in experiment. The objective of this research work is to optimize the shape of the 3D-fence with considering many design...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A077, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5368
... is investigated using the transient thermography method. CFD analysis is also conducted to investigate the phenomena occurring at the endwall and calculate the film cooling effectiveness. gas turbine blade film cooling effectiveness endwall optimization CFD IMPROVEMENT OF FILM COOLING EFFECTIVENESS...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A017, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4949
... parametric study lent a good physical insight into the drying process. An optimization study has been conducted for superheated steam as the drying medium using the Univariate Search method to minimize the length of the kiln with an upper limit on the inlet gas temperature as the constraint. rotary...