Rotordynamic Forces on Centrifugal Pump Impellers [PDF]
, 1987 The asymmetric flow around an impeller in a volute exerts a force upon the impeller. To study the rotordynamic force on an impeller which is vibrating around its machine axis of rotation, the impeller, mounted on a dynamometer, is made to whirl in a ...
Acosta, A. J. +4 more
core
Flow Induced by Dual-Turbine of Different Diameters in a Gas-Liquid Agitation System: the Agitation and Turbulence Indices [PDF]
, 2006 Flow induced by a dual turbine stirred tank was characterized measuring local velocities with a LDV and drawing the main velocity fields and the maps of turbulence intensities.
Bertrand, Joël +4 more
core +1 more source
Influence of Impeller Speed Patterns on Hemodynamic Characteristics and Hemolysis of the Blood Pump
Applied Sciences, 2019 A continuous-flow output mode of a rotary blood pump reduces the fluctuation range of arterial blood pressure and easily causes complications. For a centrifugal rotary blood pump, sinusoidal and pulsatile speed patterns are designed using the impeller ...
Yiwen Wang +6 more
semanticscholar +1 more source
On the Effect of Cavitation on the Radial Forces and Hydrodynamic Stiffness of a Centrifugal Pump [PDF]
, 1986 The asymmetric flow within a volute exerts a radial force on a centrifugal impeller. The present paper presents experimental measurements of the radial forces on the impeller in the presence of ...
Acosta, A. J. +3 more
core +1 more source
A novel reactor for determination of kinetics for solid catalyzed gas reactions [PDF]
, 1994 A novel perfectly mixed laboratory reactor for determining kinetics of heterogeneously catalyzed gas-phase reactions has been developed. Perfect mixing is achieved by circulating the gas in the reactor using an axial flow impeller in a well streamlined ...
Borman, P.C. +4 more
core +2 more sources
Influence of Impeller Diameter on the Performance of Centrifugal pumps.
IOP Conference Series: Materials Science and Engineering, 2019 The impeller is the most important part of the centrifugal pump because it determines the flow or efficiency of the pump. The design of the impeller and its diameter are very essential when considering pump efficiency.
M. E. Matlakala +4 more
semanticscholar +1 more source
Unsteady Diffuser Vane Pressure and Impeller Wake Measurements in a Centrifugal Pump [PDF]
, 1987 Unsteady surface pressure measurements on a vaned diffuser of a centrifugal pump, and wake measurement of the flow exiting a centrifugal impeller into a vaneless diffuser are presented.
Acosta, A. J. +3 more
core
, 2018 Design and operation of mixing systems using agitated vessels is a difficult task due to the challenge of obtaining accurate information on impeller-induced turbulence.
Ian Torotwa, C. Ji
semanticscholar +1 more source
Influence of Blade Leading-Edge Shape on Cavitation in a Centrifugal Pump Impeller
Energies, 2018 Cavitation is an important issue in pumps and usually starts on the blade leading-edge. For fixed blades with constant rotational speeds and specific flow rates, the incident angle, which is between the flow direction and the blade installing direction ...
R. Tao, R. Xiao, Zhengwei Wang
semanticscholar +1 more source
Modeling Turbulent Flow in Stirred Tanks with CFD: The Influence of the Modeling Approach, Turbulence Model and Numerical Scheme [PDF]
, 2004 Single phase turbulent flow in a tank stirred by a down- and an up-pumping pitched blade turbine has been simulated using CFD. The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy ...
Aubin, Joelle +2 more
core +1 more source