Calculate the volumetric flow rate from a chosen flow velocity through a pipe or duct of a certain diameter, Q=¼vπø²
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Conclusions: Quantitative functional intravascular information such as blood velocity and flow rate may be calculated from 4D CT angiography.University of Toronto (Canada).Barfett, Joseph.University of Toronto (Canada).
INTRODUCTION In chromatography, flow rates should be standardized for columns of different dimensions by expressing the flow rate as linear flow velocity (cm/h). This is defined as the volumetric flow rate (cm(3)/h) per unit cross-sectional area (cm(2)) of a given column. However, flow ...
Furthermore, the values of the intraparticle electroosmotic volumetric flow-rate, Q intrap, and velocity, 〈 v intrap, x〉, as well as the magnitude of the pore diffusion coefficient, D p, of the solute increase as the value of the pore connectivity, n T, of the intraparticle pores ...
that part of the cardiac cycle between the time of aortic valve closure and mitral opening, during which the ventricular muscle decreases its tension without lengthening so that ventricular volume remains unaltered; the heart is never precisely isovolumetric (vs. isovolumic) except during long diast...
In a process and an apparatus for producing a constant mass flow rate or volumetric flow rate gas/solid particle free jet (7), in which the solid particles having a size of in particular less than 50 mu m are completely and uniformly dispersed, a compressed solid particle mass stream (8)...
Typically, the flow of blood through a VSD is turbulent, and a systolic murmur is created. Systolic turbulence is also created if the aortic valve does not open widely enough. Blood ejected from the ventricle accelerates to a high velocity as it squeezes through the restricted aortic opening,...
2b, each cell driven by a voltage Vac changes the energy flow current I in the electrical domain to the volumetric velocity of the vibrated membrane U in the mechanical domain, the efficiency of which is characterized by the electromechanical transduction ratio η. Fig. 2: Schematic of the ...
Even more complex is the accurate determination of the drag force which will depend not only on the surface to volume ratio of the submerged objects, but also on the presence of constrictions which will make the gas velocity vary in the different sections of the system. If the buoyancy corre...