Results 191 to 200 of about 624,361 (251)
Comparative Study of Gas and Liquid Flow in Packed Beds Using Phase‐Contrast MRI
Chemie Ingenieur Technik, EarlyView.This work presents applications of phase‐contrast magnetic resonance imaging (MRI) to investigate fluid flow fields and temperature in packed beds. Comparison of ethane (C2H6) gas flow with that of water flow is done at similar flow conditions. The temperature of water is also measured using MRI.
Maitreyi Sangal +4 more
wiley +1 more source
Hydrogen donor‐assisted visbreaking of Canadian oil sands bitumen
The Canadian Journal of Chemical Engineering, EarlyView.Abstract High‐viscosity Canadian oil sands bitumen requires processing for efficient transportation and refining. Partial upgrading technologies, primarily based on thermal processing, can effectively reduce, or even eliminate, the use of costly diluent, increase bitumen quality and market value, potentially decrease greenhouse gas (GHG) emissions, and
Yi Zhang, Mohamed Ali, Jinwen Chen
wiley +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas +2 more
wiley +1 more source
Review of CFD modelling techniques for single‐phase and multiphase flow in static mixers
The Canadian Journal of Chemical Engineering, EarlyView.This review synthesizes computational fluid dynamics (CFD) approaches for static mixers, linking hydrodynamics to pressure drop, particle/droplet distributions, mixing metrics, and heat‐transfer performance to guide modelling choices and design decisions. Abstract Static mixers enable compact and low‐energy intensification.
Jussan Jaeger +7 more
wiley +1 more source
Cytoskeleton, EarlyView.ABSTRACT Few proteins have inspired as much curiosity as kinesin. Since its discovery 40 years ago, kinesin has become one of the best understood molecular machines in biology, yet it continues to reveal new questions about how cells organize and move their contents.
Ronald D. Vale
wiley +1 more source
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Journal of Nuclear Materials, 1989
Abstract JET plans to install two pump limiter modules which can be used for belt-limiter, inner-wall and X-point discharges and, also, for 1–2 s as the main limiter. A design is presented which is compatible with two diagnostic systems and which allows access for remote-handling operations. The high heat-flux components are inertially cooled during
K. Sonnenberg +7 more
openaire +1 more source
Abstract JET plans to install two pump limiter modules which can be used for belt-limiter, inner-wall and X-point discharges and, also, for 1–2 s as the main limiter. A design is presented which is compatible with two diagnostic systems and which allows access for remote-handling operations. The high heat-flux components are inertially cooled during
K. Sonnenberg +7 more
openaire +1 more source
Journal of Hydraulic Engineering, 2000
A theoretical analysis and an experimental study on the efficiency of water jet pumps, where water is used for both the primary and secondary flows, are presented in this paper. The theoretical efficiency equations for such jet pumps were first derived based on one-dimensional formulation, and the theoretical maximum ideal efficiency of 100% was ...
Winoto, S.H., Li, H., Shah, D.A.
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A theoretical analysis and an experimental study on the efficiency of water jet pumps, where water is used for both the primary and secondary flows, are presented in this paper. The theoretical efficiency equations for such jet pumps were first derived based on one-dimensional formulation, and the theoretical maximum ideal efficiency of 100% was ...
Winoto, S.H., Li, H., Shah, D.A.
openaire +1 more source
Journal of Basic Engineering, 1970
Mixing-throat cavitation in a liquid jet pump results from high jet velocities, low suction (NPSH) pressure, or low discharge pressure. Incipient cavitation at the jet boundary has no effect on jet pump efficiency, but under severe conditions it spreads to the walls.
R. G. Cunningham, A. G. Hansen, T. Y. Na
openaire +1 more source
Mixing-throat cavitation in a liquid jet pump results from high jet velocities, low suction (NPSH) pressure, or low discharge pressure. Incipient cavitation at the jet boundary has no effect on jet pump efficiency, but under severe conditions it spreads to the walls.
R. G. Cunningham, A. G. Hansen, T. Y. Na
openaire +1 more source
Power Technology and Engineering, 2015
It is suggested that determination of the efficiency of a jet pump be formulated as a function of the configuration of the hydraulic system. For three configurations of a system proposed for pumping liquid from one tank to another, the dependence of the efficiency on the coefficient of injection and the relative dimensions of the nozzle is presented in
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It is suggested that determination of the efficiency of a jet pump be formulated as a function of the configuration of the hydraulic system. For three configurations of a system proposed for pumping liquid from one tank to another, the dependence of the efficiency on the coefficient of injection and the relative dimensions of the nozzle is presented in
openaire +1 more source
Journal of the Hydraulics Division, 1964
The water jet pump, when designed with experimentally obtained optimum dimensions, can achieve efficiencies in the range of 35% to 40%. The design depends on the selected nozzles and diffuser, as well as the other parts of the pump, so that the hydraulic losses incurred are kept to a minimum.
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The water jet pump, when designed with experimentally obtained optimum dimensions, can achieve efficiencies in the range of 35% to 40%. The design depends on the selected nozzles and diffuser, as well as the other parts of the pump, so that the hydraulic losses incurred are kept to a minimum.
openaire +1 more source