, Pour les deux conditions (1000 rpm, ? = 1.6, ? = 375 mm) et (2000 rpm, ? = 1.6, ? = 300 mm), la réduction propre du débit de fuite peut atteindre l'annulation de l'´ ecoulement de retour E ? ? 100%, voire, Modélisation numérique Débit de fuite : La figure 4.25 montre l'´ evolution du gain en débit de fuite. Des réductions considérables sont obtenues, vol.4
,
Fluid dynamics and heat transfer of turbomachinery, 1995. ,
Machines centrifuges et helico centrifuges, Cours, 2008. ,
Bruit des ventilateurs. partie 1. Techniques de l'ingénieur. Génie mécanique, pp.4177-4178, 2002. ,
Ventilateurs. compresseurs. notions fondamentales. dimensionnement. Techniques de l'ingénieur. Génie mécanique, pp.4500-4501, 1999. ,
Ideas and methods of turbomachinery aerodynamics : a historical view, Journal of propulsion and power, vol.20, issue.1, pp.15-26, 2004. ,
The secondary flow in a cascade of airfoils in a nonuniform stream, Journal of the Aeronautical Sciences, vol.18, issue.4, pp.271-277, 1951. ,
Turbomachines : calcul desécoulementsdesécoulements incompressibles modélisation, 2008. ,
Rotating blade flow instability as a source of noise in axial turbomachines, Journal of Sound and Vibration, vol.203, issue.5, pp.833-853, 1997. ,
Zonal large-eddy simulation of a fan tip-clearance flow, with evidence of vortex wandering, Journal of Turbomachinery, vol.137, issue.6, p.61001, 2015. ,
URL : https://hal.archives-ouvertes.fr/hal-01296933
Investigation of the tip leakage flow at turbine rotor blades with squealer cavity, Experiments in fluids, vol.54, issue.2, p.1462, 2013. ,
Aeroacoustic predictions of a low-subsonic axial fan, Proceedings ISROMAC Conference, vol.2012, 2012. ,
Flow control : Passive, active, and reactive flow management, 2000. ,
Influence de la vibration radiale et de la rotation d'un cylindre circulaire sur l'´ evolution du sillage proche, 2006. ,
Control of tip-vortex noise of axial flow fans by rotating shrouds, Journal of sound and vibration, vol.58, issue.2, pp.201-214, 1978. ,
Effects of tipgap width on the flow field in an axial fan, International Journal of Heat and Fluid Flow, vol.61, pp.466-481, 2016. ,
Effects of tip-gap size on the tip-leakage flow in a turbomachinery cascade, Physics of Fluids, vol.18, issue.10, p.105102, 2006. ,
The effects of tip clearance on the noise of low pressure axial and mixed flow fans, Journal of Sound and Vibration, vol.105, issue.2, pp.291-308, 1986. ,
Prediction of sound power of the low pressure axial and diagonal flow fans, Fan noise symposium, 1992. ,
Behavior of tip leakage flow behind an axial compressor rotor, Journal of Engineering for Gas Turbines and Power, vol.108, issue.1, pp.7-14, 1986. ,
Experimental study of tip clearance losses and noise in axial turbomachines and their reduction, Journal of Turbomachinery, vol.119, issue.3, pp.460-471, 1997. ,
Experimental identification of rotating instability of an axial fan with shrouded rotor, Proceedings of the Institution of Mechanical Engineers, Part A : Journal of Power and Energy, vol.229, issue.5, pp.520-528, 2015. ,
Aerodynamic and aero-acoustic improvement of electric motor cooling equipment, Proceedings of the Institution of Mechanical Engineers, Part A : Journal of Power and Energy, vol.228, issue.3, pp.300-316, 2014. ,
Housing with recirculation control for use with banded axial-flow fans, US Patent, vol.5, p.186, 1996. ,
Optimal design of an automotive fan using the turbâopty meta-model, Computers & Fluids, vol.80, pp.207-213, 2013. ,
URL : https://hal.archives-ouvertes.fr/hal-00931518
The control of shroud leakage flows to reduce aerodynamic losses in a low aspect ratio, shrouded axial flow turbine, ASME Turbo Expo, pp.1-03, 2000. ,
Turbomachine with double-faced rotor-shroud seal structure, US Patent, vol.6, p.624, 2003. ,
Integral tip seal in a fan-shroud structure, US Patent, vol.6, p.990, 2005. ,
Modeling shrouded stator cavity flows in axial-flow compressors, ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition, pp.1-03, 1999. ,
A statistical model for the effect of casing treatment recesses on compressor rotor performance. Experimental thermal and fluid science, vol.31, pp.1165-1176, 2007. ,
Loss mechanisms in labyrinth seals of shrouded axial turbines, 2003. ,
Shape optimization of a labyrinth seal applying the simulated annealing method, International Journal of Rotating Machinery, vol.10, issue.5, pp.365-371, 2004. ,
Experimental study of blade thickness effects on the overall and local performances of a controlled vortex designed axial-flow fan, Experimental Thermal and Fluid Science, vol.35, issue.4, pp.684-693, 2011. ,
Métrologie instationnaire embarquée pour la modélisation du bruitàbruit`bruità large bande dans les turbomachines, 2010. ,
Axial flow fan tip leakage flow control using tip platform extensions, Journal of Fluids Engineering, vol.132, issue.5, p.51109, 2010. ,
Development of improved blade tip endplate concepts for low-noise operation in industrial fans, Proceedings of the Institution of Mechanical Engineers, Part A : Journal of Power and Energy, vol.221, issue.5, pp.669-681, 2007. ,
Shaping of tip end-plate to control leakage vortex swirl in axial flow fans, Journal of Turbomachinery, vol.132, issue.3, p.31005, 2010. ,
Aerodynamic tip sealing for rotor blades, US Patent, vol.5, p.158, 1995. ,
An innovative passive tip-leakage control method for axial turbines : Basic concept and performance potential, Journal of Thermal Science, vol.16, issue.3, pp.215-222, 2007. ,
Experimental investigation of aerodynamic interaction between tip leakage flow and spontaneous tip injection flow using 2d-piv, Experimental Thermal and Fluid Science, vol.54, pp.127-135, 2014. ,
Experimental investigation of the interaction of two flows on the axial fan hollow blades by flow visualization and hot-wire anemometry, Experimental Thermal and Fluid Science, vol.33, issue.5, pp.929-937, 2009. ,
Modification of axial fan flow by trailing edge self-induced blowing, Journal of Fluids Engineering, vol.131, issue.11, pp.111-104, 2009. ,
Numerical and experimental investigation of axial fan with trailing edge self-induced blowing, Forschung im Ingenieurwesen, vol.73, issue.3, p.129, 2009. ,
Investigation on the effect of trailing edge ejection on a turbine cascade, Applied Mathematical Modelling, vol.37, issue.9, pp.6254-6265, 2013. ,
Analysis of a jet-controlled high-lift hydrofoil with a flap. Ocean engineering, vol.30, pp.2117-2136, 2003. ,
Active stabilization of rotating stall and surge in a transonic single stage axial compressor, ASME 1997 international gas turbine and aeroengine congress and exhibition, pp.4-15, 1997. ,
Active flow control to improve the aerodynamic and acoustic performance of axial turbomachines, 1st Flow Control Conference, p.2948, 2002. ,
Active control to improve the aerodynamic performance and reduce the tip clearance noise of axial turbomachines with steady air injection into the tip clearance gap, Active Flow Control, pp.293-306, 2007. ,
An aerodynamic shroud for automotive cooling fans, Journal of fluids engineering, vol.123, issue.2, pp.287-292, 2001. ,
The application of an aerodynamic shroud for axial ventilation fans, Journal of fluids engineering, vol.129, issue.6, pp.764-772, 2007. ,
Experimental and numerical investigations of tip injection on tip clearance flow in an axial turbine cascade, Experimental Thermal and Fluid Science, vol.35, issue.6, pp.1214-1222, 2011. ,
Methode generale de determination d'un etage de turbomachine axiale de compression (fluide incompressible), 1981. ,
Méthode de dimensionnement et d'analyse des machines de compression hélico-centrifuges en régime incompressible, 1992. ,
Conception et qualification de ventilateurs de refroidissement par rotomoulage, 2013. ,
Modélisation et simulation du rotomoulage réactif du polyuréthane, 2015. ,
Conception de qualification de ventilateurs de refroidissement par rotomoulage, 2009. ,
Procédé innovant dans la conception de ventilateurs de refroidissement moteur automobile : Amélioration et qualification du process de rotomoulage, 2009. ,
5801. industrial fans-performance testing using standardized airways, 2011. ,
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full, pp.5167-5169, 2003. ,
,
, Deublin Company. www.deublin.com
Guide des sciences et technologies industrielles. Nathan, 2013. ,
Boundary-layer theory, Boundary-layer theory, 1979. ,
, Ansys Fluent, 2015.
Ten years of industrial experience with the sst turbulence model. Turbulence, heat and mass transfer, vol.4, pp.625-632, 2003. ,
Air comprimé dans l'industrie, 1997. ,