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Keywords: Numerical Simulation
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Proceedings Papers

Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A042, August 10–12, 2021
Paper No: FEDSM2021-65261
... the temperature distributions and mass fraction in n -dodecane and n -octane flows. Finally, we compared the outlet conversion rates of n -dodecane and n -octane flows. supercritical dodecane flow thermal cracking numerical simulation multi-component flow Proceedings of the ASME 2021 Fluids...
Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A002, August 10–12, 2021
Paper No: FEDSM2021-65716
... extensively studied, but most of them are based on single bubble or bubble flow pattern. In this paper, the transport process of slug flow in a Venturi channel was explored through visualization experiments, and the characteristics of recirculation flow were indicated by numerical simulation method...
Proceedings Papers

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T07A014, August 10–12, 2021
Paper No: FEDSM2021-65572
... micromixer was carried out using the microparticulate image velocimetry (micro-PIV) system. It explains how the geometrical shape of the micromixer accelerates the natural diffusion process to mix the different fluid streams. Finally, a 3D numerical simulation of the passive micromixer was carried out...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A009, July 13–15, 2020
Paper No: FEDSM2020-20230
... is one of the key components in the Super-critical carbon dioxide (SCO2) Brayton cycle process, its performance prediction under variable operating conditions are concerned a lot with consideration of the unique of SCO2 properties. At the same time, the general techniques, including numerical simulation...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A033, July 13–15, 2020
Paper No: FEDSM2020-20081
... velocity and the other one moving at high speed. Flow recirculation in the enclosure is a major problem that leads to a decrease in turbomachine's performance. Two- dimensional Computational Fluid Dynamics (CFD) analysis is used to numerically simulate the rotating flow field inside the centrifugal pump...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A032, July 13–15, 2020
Paper No: FEDSM2020-20433
... ON NUMERICAL SIMULATION TO PRODUCED OIL WITH LOW BSW CONTENT Silvia Araujo Daza1, Urbano Montañez Villamizar.2 Proctek Group Bogotá, Colombia 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 m3/s...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A001, July 13–15, 2020
Paper No: FEDSM2020-20049
...Abstract Abstract This work concerns with numerical simulation of dense gas-particle two-phase flow in a fluidized bed in the framework of two-fluid model, where attention is given to the bubble formation in a single-jet and multi-jet fluidized beds. The kinetic theory is implemented...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A045, July 28–August 1, 2019
Paper No: AJKFluids2019-4724
... upstream of the airfoil. Numerical simulations are carried out with an immersed-boundary method to solve the incompressible, viscous flow at the Reynolds number of 2000. Control parameters that influence the dynamics of flow around the airfoil are systematically investigated, including the oscillating...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A015, July 28–August 1, 2019
Paper No: AJKFluids2019-4912
... characteristic plays an important role in pump structural stress analysis. A numerical simulation method is used to obtain the hydraulic performances of a high-speed centrifugal pump with 9857 r/min at the range of flow rates between 48.1 to 155.0 m 3 /h. The head and efficiency under different operating...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A042, July 28–August 1, 2019
Paper No: AJKFluids2019-5308
...NUMERICAL SIMULATION OF A POURING FLOW FROM A BEVERAGE CAN Yu Nishio , Keiji Niwa , Takanobu Ogawa Department of Systems Design Engineering, Seikei University 3-3-1, Kichijyoji-kitamachi, Musashino-shi, Tokyo 180 8633, Japan. General Medicine, Faculty of Medicine,Masaryk University Kamenice 753...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A027, July 28–August 1, 2019
Paper No: AJKFluids2019-5394
... the zero, which can be used to guide the design of pump blade. 1 Contact author: weiweibit@bit.edu.cn Keywords: torque converter, blade camber, parameter sensitive study, numerical simulation, internal flow, pump efficiency. NOMENCLATURE xg* pump camber peak parameter in x yg* pump camber peak parameter...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A009, July 28–August 1, 2019
Paper No: AJKFluids2019-4607
... position are presented for methane (CH4), diesel (C10H22), and ethanol (C2H50H) fuels, respectively. Keywords: premixed combustion, numerical simulation. INTRODUCTION Recent trends in engine design have pushed the state-of-the-art regarding high power-to-weight ratio engines. The engine configuration...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A053, July 28–August 1, 2019
Paper No: AJKFluids2019-5665
... blade tip and pump casing or between OGV blade root and rotor hub for the impeller rotating in the pump. The flow characteristics inside an axial blood pump with different blade gaps were numerically simulated and analyzed. Hydraulics experiments were conducted to verify the numerical results...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A066, July 28–August 1, 2019
Paper No: AJKFluids2019-4916
... for less-sick heart failure patients. Keywords: axial blood pump, partial-support, numerical simulation. INTRODUCTION Since the rotary blood pump was used to treat heart fail- ure disease in 1977 [1,2], many axial blood pumps such as the 1 Contact author: 57687939@qq.com liuguangmao@fuwaihospital.org...
Topics: Blood, Design, Pumps
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A072, July 28–August 1, 2019
Paper No: AJKFluids2019-5078
.... The local sudden diffusion-expansion around the junctions of volute arc segments nearly disappears with continuous increase of static pressure along the volute wall. Keywords: volute profile, curvature radius, numerical simulation, squirrel cage fan. NOMENCLATURE a, b, c, d: junctions of arc segments...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A012, July 28–August 1, 2019
Paper No: AJKFluids2019-5153
... applications. In order to analyze the characteristics of unsteady cavitating flow induced vibration, the cloud cavitation flow over three dimensional NACA66 hydrofoil is studied by numerical simulation in this paper. The cavitating flow is modeled by large eddy simulation method and Zwart cavitation model...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1A, Symposia: Advances in Fluids Engineering Education; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT03A024, July 7–11, 2013
Paper No: FEDSM2013-16574
... be limited in a proper range to keep the solid flow falling down smoothly. By analysis of various solid viscosities, it is shown that solid flow patterns are not sensitive to solid viscosity within certain range. oxygen blast furnace solid flow viscous flow model numerical simulation NUMERICAL...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1A, Symposia: Advances in Fluids Engineering Education; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT03A007, July 7–11, 2013
Paper No: FEDSM2013-16099
... after improvement. This method can be used to guide and optimize the design for the ventilation in hydropower plant. Numerical simulation measurement Ventilation system Hydropower plant room airflow Proceedings of the ASME 2013 Fluids Engineering Division Summer Meeting FEDSM2013 July 7-11...
Proceedings Papers

Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT10A021, July 7–11, 2013
Paper No: FEDSM2013-16345
..., which consisted of the designed double suction, optimized impeller and designed double volute, was predicted by numerical simulation. Efficiencies in double suction, impeller and double volute were increased by 0.6[%], 0.4[%] and 1.1[%] respectively and the total improvement of pump efficiency was 1.9...
Proceedings Papers

Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 505-514, July 8–12, 2012
Paper No: FEDSM2012-72282
... with experimental data. Important factors which can affect NPSHr prediction are also indentified and discussed. NPSH Cavitation Numerical Simulation CFD 1 Copyright © 2012 by ASME A PRACTICAL APPROACH TO SPEED UP NPSHR PREDICTION OF CENTRIFUGAL PUMPS USING CFD CAVITATION MODEL H. Ding Simerics Inc...