Results 221 to 230 of about 395,081 (276)
Artificial Organs, EarlyView.Quantitative assessment of a newly proposed CFD‐based biophysical model for predicting device‐induced platelet damage by circulatory assist devices was performed. The new model preserved the relative trends observed previously with the power‐law formulation across a range of clinically relevant pump operating conditions, while demonstrating improved ...
Anik Tarafder +3 more
wiley +1 more source
Artificial Organs, EarlyView.Introducer sheaths are commonly used as distal perfusion cannulas during VA‐ECMO; efficacy is uncertain. A simplified hydraulic bench experiment evaluated cannula and connection configurations during clinically relevant blood flow using water and simulated blood media. Distal flow fraction decreased with larger arterial cannulas and was not restored by
Elliott Worku +4 more
wiley +1 more source
Artificial Organs, EarlyView.Among selected patients receiving temporary right ventricular support, pooled survival to discharge was 60.4%, and separately pooled successful weaning was 60.6%. These descriptive estimates from 106 heterogeneous observational studies, predominantly involving concurrent left‐sided or biventricular support, cannot establish treatment benefit or ...
Hussein Elghazaly +5 more
wiley +1 more source
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World Pumps, 1997
Abstract Every time a motor trips, it seems to happen suddenly, because nobody predicted it. When the motor driving a centrifugal pump trips, the effect is sudden in more ways than one: flow stops completely; the process is often interrupted, at least temporarily; and a loss of confidence strikes — “will it trip again, or will the spare pump trip ...
openaire +1 more source
Abstract Every time a motor trips, it seems to happen suddenly, because nobody predicted it. When the motor driving a centrifugal pump trips, the effect is sudden in more ways than one: flow stops completely; the process is often interrupted, at least temporarily; and a loss of confidence strikes — “will it trip again, or will the spare pump trip ...
openaire +1 more source
1993
Publisher Summary This chapter discusses losses in efficiency of a centrifugal pump. The efficiency of a centrifugal pump naturally falls below 100% and it is the difference between the 100% figure and the actual efficiency that is referred to as the total loss. The total loss is made up of the following three major losses: power losses, head losses,
openaire +1 more source
Publisher Summary This chapter discusses losses in efficiency of a centrifugal pump. The efficiency of a centrifugal pump naturally falls below 100% and it is the difference between the 100% figure and the actual efficiency that is referred to as the total loss. The total loss is made up of the following three major losses: power losses, head losses,
openaire +1 more source
1993
Publisher Summary This chapter presents the theory of centrifugal pumps. It is usual to design the pump on the assumption that the flow to the inlet or eye of the impeller will be normal to the line of motion of the relevant portion of the inlet vanes and in the plane of the streamline, that is, in the case of pure radial flow impeller, the inlet ...
openaire +1 more source
Publisher Summary This chapter presents the theory of centrifugal pumps. It is usual to design the pump on the assumption that the flow to the inlet or eye of the impeller will be normal to the line of motion of the relevant portion of the inlet vanes and in the plane of the streamline, that is, in the case of pure radial flow impeller, the inlet ...
openaire +1 more source
Operation of Centrifugal Pumps
2010Reliable pump performance can be achieved only if the pump is well integrated into the system. This implies the implementation of adequate controls which ensure that the pump operates in the range between the allowable minimum and maximum flow – in particular if pumps are operated in parallel.
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Investigation on Stall Characteristics of Marine Centrifugal Pump Considering Transition Effect
Ocean Engineering, 2023Bart P.M. van Esch +2 more
exaly