Results 191 to 200 of about 96,934 (256)
A fully magnetically levitated left ventricular assist device — final report [PDF]
, 2019 Ewald, G.A., Itoh, A.
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Reoperation and the centrifugal pump?
European Journal of Cardio-Thoracic Surgery, 1992Postperfusion syndrome is still a problem in long cardiac operations using extracorporeal circulation (ECC). To evaluate whether or not centrifugal blood pumping during open heart surgery is beneficial, a randomized, prospective study was undertaken of 50 consecutive patients undergoing elective coronary artery bypass grafting.
H. Jakob +6 more
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A Straight Path Centrifugal Blood Pump Concept in the Capiox Centrifugal Pump
Artificial Organs, 1993Abstract: This article describes comparative studies of a newly developed “straight path” centrifugal pump (Capiox centrifugal pump) targeted for open‐heart surgery and circulatory support. A unique straight path design of the rotor was very effective in reducing the pump's rotational speed and prime volume.
Chisato Nojiri +8 more
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Journal AWWA, 1923 The construction and design of a turbo-centrifugal pumping unit are known unquestionably to everyone interested in this paper. It is not my intention, therefore, to give any detailed description of such a design. The purpose of this paper is to discuss certain features of a turbocentrifugal pumping unit, which will allow the engineer to judge better ...
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Optimization of centrifugal pumps [PDF]
Hydrotechnical Construction, 1982 1. The inclination of impeller vanes should be increased to a final value of 80–130° near the outlet on a length corresponding to 15–50% of the total vane length. 2. To optimize the flow regimes it is expedient to install in the zone of the increased vane inclination 1–5 additional short vanes with a length amounting to 0.6–1.2 of the ...
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World Pumps, 1997
The successful running of centrifugal pumps in parallel means monitoring the flow individually, and having the facility for individual unit shutdown at a preset low flow point. In the first article of a new series, Stan Shiels explains why, and illustrates how to avoid the danger of premature or frequent pump failures in this configuration.
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The successful running of centrifugal pumps in parallel means monitoring the flow individually, and having the facility for individual unit shutdown at a preset low flow point. In the first article of a new series, Stan Shiels explains why, and illustrates how to avoid the danger of premature or frequent pump failures in this configuration.
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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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Review of Scientific Instruments, 1970
A miniature centrifugal pump designed to circulate helium in a flow loop is described. It is designed to operate in the liquid helium temperature range under ambient pressures up to 100 atm (107 N/m2), producing a maximum flow rate of 50 cm3/sec and a maximum pressure rise of 3400 N/m2. The operating characteristics obtained from preliminary tests with
H. Sixsmith, Patricia Giarratano
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A miniature centrifugal pump designed to circulate helium in a flow loop is described. It is designed to operate in the liquid helium temperature range under ambient pressures up to 100 atm (107 N/m2), producing a maximum flow rate of 50 cm3/sec and a maximum pressure rise of 3400 N/m2. The operating characteristics obtained from preliminary tests with
H. Sixsmith, Patricia Giarratano
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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 ...
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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 +2 more sources