Author : Christopher I. Cruz
Publisher :
Page : pages
File Size : 22,82 MB
Release : 1992
Category :
ISBN :
[PDF] Predicted Aerodynamic Characteristics For Hl 20 Lifting Body Using Aerodynamic Preliminary Analysis System Apas eBook
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Control Effectiveness and Tip-fin Dihedral Effects for the HL-20 Lifting-body Configuration at Mach Numbers from 1.6 to 4.5
Author : Christopher I. Cruz
Publisher :
Page : 96 pages
File Size : 30,1 MB
Release : 1995
Category : Aerodynamics
ISBN :
Experimental and Theoretical Study of Aerodynamic Characteristics of Some Lifting Bodies at Angles of Attack from -10 Degrees to 53 Degrees at Mach Numbers from 2.30 to 4.62
Author : M. Leroy Spearman
Publisher :
Page : 32 pages
File Size : 10,24 MB
Release : 1994
Category :
ISBN :
Conceptual Shape Optimization of Entry Vehicles
Author : Dominic Dirkx
Publisher : Springer
Page : 284 pages
File Size : 48,42 MB
Release : 2016-12-09
Category : Technology & Engineering
ISBN : 3319460552
This book covers the parameterization of entry capsules, including Apollo capsules and planetary probes, and winged entry vehicles such as the Space Shuttle and lifting bodies. The aerodynamic modelling is based on a variety of panel methods that take shadowing into account, and it has been validated with flight and wind tunnel data of Apollo and the Space Shuttle. The shape optimization is combined with constrained trajectory analysis, and the multi-objective approach provides the engineer with a Pareto front of optimal shapes. The method detailed in Conceptual Shape Optimization of Entry Vehicles is straightforward, and the output gives the engineer insight in the effect of shape variations on trajectory performance. All applied models and algorithms used are explained in detail, allowing for reconstructing the design tool to the researcher’s requirements. Conceptual Shape Optimization of Entry Vehicles will be of interest to both researchers and graduate students in the field of aerospace engineering, and to practitioners within the aerospace industry.
AIAA/AHS/ASEE Aerospace Design Conference: 93-1001 - 93-1049
Author :
Publisher :
Page : 516 pages
File Size : 45,32 MB
Release : 1993
Category : Aeronautics
ISBN :
International Aerospace Abstracts
Author :
Publisher :
Page : 1218 pages
File Size : 37,95 MB
Release : 1992
Category : Aeronautics
ISBN :
Preliminary Subsonic Aerodynamic Model for Simulation Studies of the Hl-20 Lifting Body
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
Page : 68 pages
File Size : 38,5 MB
Release : 2018-11-06
Category : Science
ISBN : 9781730830952
A nonlinear, six-degree-of-freedom aerodynamic model for an early version of the HL-20 lifting body is described and compared with wind tunnel data upon which it is based. Polynomial functions describing most of the aerodynamic parameters are given and tables of these functions are presented. Techniques used to arrive at these functions are described. Basic aerodynamic coefficients were modeled as functions of angles of attack and sideslip. Vehicle lateral symmetry was assumed. Compressibility (Mach) effects were ignored. Control-surface effectiveness was assumed to vary linearly with angle of deflection and was assumed to be invariant with the angle of sideslip. Dynamic derivatives were obtained from predictive aerodynamic codes. Landing-gear and ground effects were scaled from Space Shuttle data. The model described is provided to support pilot-in-the-loop simulation studies of the HL-20. By providing the data in tabular format, the model is suitable for the data interpolation architecture of many existing engineering simulation facilities. Because of the preliminary nature of the data, however, this model is not recommended for study of the absolute performance of the HL-20. Jackson, E. Bruce and Cruz, Christopher I. Langley Research Center...
Prediction of Static Aerodynamic Characteristics for Slender Bodies Alone and with Lifting Surfaces to Very High Angles of Attack
Author : Leland Howard Jorgensen
Publisher :
Page : 254 pages
File Size : 43,6 MB
Release : 1977
Category : Aerodynamics
ISBN :
Preliminary Subsonic Aerodynamic Model for Simulation Studies of the HL-20 Lifting Body
Author : E. Bruce Jackson
Publisher :
Page : 72 pages
File Size : 16,52 MB
Release : 1992
Category :
ISBN :
Preliminary Subsonic Aerodynamic Model for Simulation Studies of the Hl-20 Lifting Body
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 68 pages
File Size : 39,37 MB
Release : 2018-07-10
Category :
ISBN : 9781722698430
A nonlinear, six-degree-of-freedom aerodynamic model for an early version of the HL-20 lifting body is described and compared with wind tunnel data upon which it is based. Polynomial functions describing most of the aerodynamic parameters are given and tables of these functions are presented. Techniques used to arrive at these functions are described. Basic aerodynamic coefficients were modeled as functions of angles of attack and sideslip. Vehicle lateral symmetry was assumed. Compressibility (Mach) effects were ignored. Control-surface effectiveness was assumed to vary linearly with angle of deflection and was assumed to be invariant with the angle of sideslip. Dynamic derivatives were obtained from predictive aerodynamic codes. Landing-gear and ground effects were scaled from Space Shuttle data. The model described is provided to support pilot-in-the-loop simulation studies of the HL-20. By providing the data in tabular format, the model is suitable for the data interpolation architecture of many existing engineering simulation facilities. Because of the preliminary nature of the data, however, this model is not recommended for study of the absolute performance of the HL-20. Jackson, E. Bruce and Cruz, Christopher I. Langley Research Center...