Instabilités de fonctionnement à débit partiel d'un inducteur fretté : comparaison avec le cas non fretté

Offtinger, C.; Henry, Charles J.; Morel, R.

doi:10.1051/lhb/1997028

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Coupling Of the Intrinsic Instabilities And The System Insta1

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Cited by 3 publications

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“…In this figure, each image corresponds to a value of σ for a flow rate constant. The pictures obtained during the cavitation tests are typical cavitation forms and, in general, they are consistent with those reported by (Offtinger et al, 1996), see Fig. 14. Representative pictures were obtained from different experimental tests on the three studied inducers at partial flow rate, nominal flow rate and over-flow rate.…”

Section: Coupling Of the Intrinsic Instabilities And The System Instasupporting

confidence: 90%

Numerical and Experimental Study of Mass Transfer Through Cavitation in Turbomachinery

Campos–Amezcua¹,

Khelladi²,

Mazur-Czerwiec³

et al. 2011

Mass Transfer - Advanced Aspects

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Section: Coupling Of the Intrinsic Instabilities And The System Instasupporting

confidence: 90%

Numerical and Experimental Study of Mass Transfer Through Cavitation in Turbomachinery

Campos–Amezcua¹,

Khelladi²,

Mazur-Czerwiec³

et al. 2011

Mass Transfer - Advanced Aspects

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Experimental Analysis of an Axial Inducer Influence of the Shape of the Blade Leading Edge on the Performances in Cavitating Regime

Bakir

Kouidri

Noguera

et al. 2003

Journal of Fluids Engineering

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The aim of this paper is to analyze, from experimental results, the influence of the shape of the leading edge and its sharpening on the cavitating behavior of an inducer. The studied inducer is designed according to a methodology developed at LEMFI. Successive cutting and sharpening (four cuts, which modify up to 20 percent of the blade chord at the tip), were made to modify the shape of the leading edge. For the various geometries, the experimental results obtained on the LEMFI test rig are presented as follows. Noncavitating Regime: Overall performances at 1450 rpm. Cavitating Regime: (1) The development of the cavitation versus the cavitation number, (2) the description of the various cavitation pictures, and (3) the pressure fluctuations measured at the wall at 150 mm downstream of the trailing edge for various flow rates and inlet pressures. The CFD simulations carried out under CFX-Blade Gen+ on this range of inducers are presented to explain certain aspects observed.

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Investigation and Control of Backflow Ahead of a Shrouded Inducer

Brissaud

Henry

Morel

et al. 1998

Journal of Fluids Engineering

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Instabilités de fonctionnement à débit partiel d'un inducteur fretté : comparaison avec le cas non fretté

Cited by 3 publications

References 1 publication

Numerical and Experimental Study of Mass Transfer Through Cavitation in Turbomachinery

Numerical and Experimental Study of Mass Transfer Through Cavitation in Turbomachinery

Experimental Analysis of an Axial Inducer Influence of the Shape of the Blade Leading Edge on the Performances in Cavitating Regime

Investigation and Control of Backflow Ahead of a Shrouded Inducer

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