Correlation of Wind Tunnel and Flight Test Aerodynamic Data for Five V/STOL Aircraft PDF Download
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Author: David H. Hickey
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 24
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Book Description
The five aircraft tested represent a wide variety of V/STOL concepts. Correlation between the wind-tunnel and flight-test aerodynamic results is generally good when wind-tunnel wall corrections are omitted; in some cases wall corrections are shown to degrade the correlation. The aircraft and wind-tunnel geometry are related to model-tunnel sizing parameters and a VTOL lift parameter, in order to establish tentative sizing criteria for V/STOL wind-tunnel testing with small wall effects. The report is one of the series 515-522 of papers presented at the 27th meeting of the AGARD Flight Mechanics Panel, held 11-12 October 1965 in Rome, Italy. (Author).
Author: David H. Hickey
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 24
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Book Description
The five aircraft tested represent a wide variety of V/STOL concepts. Correlation between the wind-tunnel and flight-test aerodynamic results is generally good when wind-tunnel wall corrections are omitted; in some cases wall corrections are shown to degrade the correlation. The aircraft and wind-tunnel geometry are related to model-tunnel sizing parameters and a VTOL lift parameter, in order to establish tentative sizing criteria for V/STOL wind-tunnel testing with small wall effects. The report is one of the series 515-522 of papers presented at the 27th meeting of the AGARD Flight Mechanics Panel, held 11-12 October 1965 in Rome, Italy. (Author).
Author: Ernest L. Black
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 204
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Author: M. F. Platzer
Publisher:
ISBN:
Category : Short take-off and landing aircraft
Languages : en
Pages : 552
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Author: Max Platzer
Publisher:
ISBN:
Category :
Languages : en
Pages : 548
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Author: Harry H. Heyson
Publisher:
ISBN:
Category : Short take-off and landing aircraft
Languages : en
Pages : 340
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Under sufficiently large wake deflections, the forward portion of the wake is found to flow forward along the floor leading to a vortex pattern which results in Rae's limits (Journal of Aircraft, May-June 1967). Although wind-tunnel data cannot normally be corrected successfully beyond these limits, it may be possible to obtain ground-effect data for conditions more severe than those implied by Rae.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Author:
Publisher:
ISBN:
Category : Short take-off and landing aircraft
Languages : en
Pages : 486
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 64
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Author: G. R. Casteel
Publisher:
ISBN:
Category : Flight control
Languages : en
Pages : 224
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Book Description
The general objective was to collect and analyze aerodynamic stability and control data for the XV-4B, XV-5A, and P-1127 VTOL configurations. Correlation and analysis of existing model data were made to investigate hover and transition characteristics. Particular emphasis was placed on the aerodynamic power effects, sometimes referred to as interference effects. Other areas of investigation were sometimes referred to as interference effects. Other areas of investigation were nondimensional coefficients used to present VTOL data and wind tunnel test techniques. Wind tunnel tests were conducted using an inlet only model and a jet only model to investigate special test and analysis problems for these components. The agreement between different sets of XV-4B model data was, in general, found to be poor. However, the nondimensional coefficients used by Lockheed to reduce to XV-4B model data appear to be valid parameters for this category of VTOL airplane. The jet entrainment flow was shown by experiment to be the primary cause of the XV-4B power effects, and the XV-4B jet path was experimentally and theoretically determined.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1126
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
