National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Numerický a experimentální výzkum transsonického proudění 2-D modelem mezery šroubového kompresoru
Vimmr, J. ; Bublík, O. ; Luxa, Martin ; Dvořák, Rudolf ; Šimurda, David
The main objective of the study presented here is to compare the results obtained from numerical simulations and experimental measurements of the transonic flow through the 2-D model of the male rotor-housing gap in a dry screw compressor for several clearance throat dimensions and pressure ratios.
Numerical investigation of flow phenomena in radial-flow pump at low NPSH value
Sedlář, M. ; Maršík, František ; Šafařík, Pavel ; Zima, Patrik
Cavitating flow in the impeller of a single-stage radial-flow pump at optimal flow rate and different values of NPSH (Net Positive Suction Head) is analyzed numerically using the VOF model of CFX-TASCflow. The size and the shape of the cavitation regions near NPSH3 agree well with the cavitation visualization inside the impeller at similar flow conditions.

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