A Comparison of the Calculated and Experimental Off-Design Performance of a Radial Flow Turbine PDF Download
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724982902
Category :
Languages : en
Pages : 34
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Book Description
Off design aerodynamic performance of the solid version of a cooled radial inflow turbine is analyzed. Rotor surface static pressure data and other performance parameters were obtained experimentally. Overall stage performance and turbine blade surface static to inlet total pressure ratios were calculated by using a quasi-three dimensional inviscid code. The off design prediction capability of this code for radial inflow turbines shows accurate static pressure prediction. Solutions show a difference of 3 to 5 points between the experimentally obtained efficiencies and the calculated values. Tirres, Lizet Unspecified Center NASA-CR-189207, E-7175, NAS 1.26:189207, AIAA PAPER 92-3069 NAS3-25266; RTOP 535-05-10...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724982902
Category :
Languages : en
Pages : 34
Get Book Here
Book Description
Off design aerodynamic performance of the solid version of a cooled radial inflow turbine is analyzed. Rotor surface static pressure data and other performance parameters were obtained experimentally. Overall stage performance and turbine blade surface static to inlet total pressure ratios were calculated by using a quasi-three dimensional inviscid code. The off design prediction capability of this code for radial inflow turbines shows accurate static pressure prediction. Solutions show a difference of 3 to 5 points between the experimentally obtained efficiencies and the calculated values. Tirres, Lizet Unspecified Center NASA-CR-189207, E-7175, NAS 1.26:189207, AIAA PAPER 92-3069 NAS3-25266; RTOP 535-05-10...
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 562
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Author: Samuel M. Futral
Publisher:
ISBN:
Category :
Languages : en
Pages : 34
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Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 428
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Author: Peter L. Meitner
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
An off-design performance loss model was developed for variable-stator (pivoted vane), radial turbines through analytical modeling and experimental data analysis. Stator loss is determined by a viscious loss model; and stator vane end-clearance leakage effects are determined by a clearance-flow model. Rotor loss coefficients were obtained by analyzing the experimental data from a turbine rotor previously tested with six stators having throat areas from 20 to 144 percent of design area and were correlated with stator-to-rotor throat area ratio. An incidence loss model was selected to obtain best agreement with experimental results. Predicted turbine performance is compared with experimental results for the design rotor as well as with results for extended and cutback versions of the rotor. Sample calculations were made to show the effects of stator vane end-clearance leakage. (Author).
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 568
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Author: Arthur J. Glassman
Publisher:
ISBN:
Category : Aircraft gas-turbines
Languages : en
Pages : 152
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 290
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Book Description
A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1388
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Author:
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ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1232
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Book Description
