Flow Features within the Rotor Passages
Drag reduction within radial turbine rotor passages using riblets
... turbine rotor are very similar to cusp riblets. Figure 1b shows rotor sample machined using ball end cutter milling with different surface finish, where cusp riblets are clear in the magnified ...
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INVESTIGATION OF PASSAGE FLOW FEATURES IN A TRANSONIC COMPRESSOR ROTOR WITH CASING TREATMENTS
... tip-leakage flow and the build-up of blockage within the blade ...incoming flow and the blocked area moves towards the inlet plane of the rotor in- dicating spike-type stall ...optimized ...
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A numerical investigation of moment coefficient and flow structure in a rotor-stator cavity with rotor-mounted bolts
... of rotor-mounted bolts on the moment coefficient and velocity distributions within a rotor-stator cavity under conditions representative of modern gas turbine engine ...the flow structure is ...
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A numerical investigation of moment coefficient and flow structure in a rotor-stator cavity with rotor mounted bolts
... 1 INTRODUCTION AND REVIEW OF PREVIOUS WORK Increasing the efficiency of a gas turbine engine requires either a higher turbine entry temperature of the main gas flow or a reduction of internal losses. Turbine entry ...
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Bathymetry and oceanic flow structure at two deep passages crossing the Lomonosov Ridge
... ern passages. In the southern one, on the one hand, the flow has a coherent vertical structure with unidirectional veloci- ties over a large depth interval, but there is a horizontal di- vision with ...
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Near-stall modal disturbances within a transonic compressor rotor
... non-periodic flow characteristics for a forward swept axial transonic compressor rotor when operating near ...disturbances within a transonic compressor ...embedded within the rotor ...
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Flow Simulation Analysis of Horizontal Wind Turbine Rotor Blade
... discussed the design procedure and outcomes of the sandia 34.1-m VAWT Test Bed platform and the FloWind prototype development platform with a sense toward future offshore designs.Castillo [9] designed a small (VAWT) ...
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Investigation of Unsteady Tip Clearance Flow in Axial Compressor Rotor
... clearance flow pattern in an isolated axial compressor rotor is presented, intending to better understand the flow mechanism behind stall control measures that act on tip clearance ...clearance ...
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Vertical-axis wind turbines in oblique flow: sensitivity to rotor geometry
... generation within cities. The dis- tortion of the onset air flow by buildings within the urban environment might however, under certain con- ditions of wind speed or direction, cause vertical- axis ...
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Comparison of the effects of surface roughness and confinement on rotor–stator cavity flow
... simulate rotor–stator flow and, in particular, the flow within the boundary layer on the rotor ...the rotor–stator ...boundary-layer flow over a freely spinning disc on ...
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Flow Modification over Rotor Blade with Boundary Layer Control Technique
... the rotor blade separately but not at the same ...of rotor blade surface and we got these points from the researches made in ...prevent flow separation and these methods has delayed flow ...
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Circulation control improvements to rotor lift asymmetry due to reverse flow
... Reversed Flow Regions with Increasing Advance Ratios [Wood, 1981], Note: Reversed Flow Occurs Over the Portion of the Blade within the Operating Advance Ratio Circle One method of reducing the ...
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Flow Diagnosis and Optimization Based on Vorticity Dynamics for Transonic Compressor/Fan Rotor
... mass flow rate are ...the rotor optimized with the stationary blade rows included allows for the correct match- ing of the flow ...the rotor-only efficiency gain is ...mass flow by ...
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EMPIRICAL STUDY OF DESIGN FOR ANALYZING ROTOR, STATOR AND BLADES OF THE AXIAL FLOW COMPRESSOR
... Axial flow mechanical device is one in all the foremost vital elements of ...Axial flow mechanical device the work conferred contains of basic flow parameters and dimensions of elements, this makes ...
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Effect of Cooling Flow on the Operation of a Hot Rotor-Gas Foil Bearing System
... CIRCUMFERENTIAL FLOW CONDITIONS FOR THE INNER AND OUTER COOLING STREAMS Upon entering a foil bearing, the cooling gas stream splits into two streams; one flowing axially through the thin film gas region (inner ...
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Numerical Study of the Flow Within a Vanned Volute of a Mixed Flow Turbine
... mixed flow impeller and a ...the rotor inducer at a suitable flow ...the flow structure within a vanned volute of a mixed flow ...fluid flow within the turbine ...
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Modelling Of Gas Turbine Rotor Blade with Internal Cooling Passages
... The rotor inlet temperature should be below the melting point of the turbine blade ...turbine rotor blade with internal cooling ...cooling passages provided on blade tip, which passes through the ...
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Unsteady Flow Variability Driven by Rotor-stator Interaction at Rotor Exit
... unsteady flow variability driven by rotor-stator interaction in a transonic axial compressor is ...between rotor and stator rows are studied in the ...driving rotor wake oscillation, ...
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Development Of Rotor For Axial Flow Compressor
... CHAPTER I INTRODUCTION A turbomachine is a device in which energy transfer occurs between a flowing fluid and a rotating element due to dynamic action, and results in a change in pressure and momentum of the fluid. ...
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FLUID MECHANICS. TUTORIAL No.4 FLOW THROUGH POROUS PASSAGES
... No.4 FLOW THROUGH POROUS PASSAGES In this tutorial you will continue the work on laminar flow and develop Poiseuille's equation to the form known as the Carman - Kozeny ...the flow rate ...
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