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Author : H. O. Lewis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Measurement of Free-flight Dynamic Stability Derivatives of Cones in a Hypersonic Gun Tunnel written by H. O. Lewis and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dave R. Moore
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Cone written by Dave R. Moore and published by . This book was released on 1967 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program has been conducted in the LTV Hypervelocity Wind Tunnel at M = 17 to investigate the effects of ablation product characteristics and thermal lags on re-entry vehicle dynamic stability. The free oscillation method of dynamic stability measurement was used and the ablation processes were simulated by the controlled mass injection through four sections of the porous model skin. The flow rates through the top and bottom quadrants were oscillated at the same frequency and at an amplitude proportional to the model motion. The thermal lag effect was investigated with nitrogen injection into nitrogen tunnel flow at several different mass flow rates and phase angles between the oscillating mass flow and the body motion. The ablation product study was conducted by injecting gases other than nitrogen with specific heat ratio and molecular weight being the test parameters in addition to mass flow rate. The results obtained from these tests indicate significant effect on dynamic stability with both injection phase angle and some characteristics of the injected gas. The effects of model frequency, Reynolds number and mass injection distribution were also investigated and some static pressure measurements were made near the aft of the model. Appendices to the report contain tabulations of the pertinent data and discussions of supporting analytical studies and data analysis.
![Download Hypersonic Dynamic Stability: Summary [by] L. A. Marshall PDF Online Free](https://books.google.com/books/content/images/frontcover/YMxPAAAAYAAJ?fife=w200-h370)
Author : General Electric Company
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.E/5 ( download)
Download or read book Hypersonic Dynamic Stability: Summary [by] L. A. Marshall written by General Electric Company and published by . This book was released on 1967 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kurt R. Enkenhus
Publisher :
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.3/5 (91 download)
Download or read book Free-flight Static Stability Measurements of Cones in Hypersonic Flow written by Kurt R. Enkenhus and published by . This book was released on 1970 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Hypersonic Dynamic Stability: Conical body experimental program [by] R. B. Hobbs, Jr PDF Online Free](https://books.google.com/books/content/images/frontcover/cMxPAAAAYAAJ?fife=w200-h370)
Author : General Electric Company
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.E/5 ( download)
Download or read book Hypersonic Dynamic Stability: Conical body experimental program [by] R. B. Hobbs, Jr written by General Electric Company and published by . This book was released on 1967 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alfred Merle Morrison
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Investigation of the Damping in Pitch Characteristics of a Ten Degree Cone written by Alfred Merle Morrison and published by . This book was released on 1975 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of one-degree-of-freedom dynamic wind tunnel measurements were made for a standard Supersonic Tunnel Association ten degree cone with varying bluntnesses of .25, .1, .0167, and .07. Variations of the stability coefficients with angle-of-attack, bluntness, Reynolds number, and Mach number are obtained including Mach 18 data points for which no previous data existed. An explanation of reported difference between measured dynamic stability as obtained from ballistic range and wind tunnel techniques is offered. The equations of motion, data reduction techniques and experimental methods are also developed.
Author : Peter F. Intrieri
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Free-flight Measurements of the Static and Dynamic Stability and Drag of a 10 Degree Blunted Cone at Mach Numbers 3.5 and 8.5 written by Peter F. Intrieri and published by . This book was released on 1962 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edwin F. Harrison
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (31 download)
Download or read book Static Stability Tests in the Langley 24-inch Hypersonic Arc Tunnel on a Blunted Cone at a Mach Number of 20 written by Edwin F. Harrison and published by . This book was released on 1962 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. A. Marshall
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hypersonic Dynamic Stability written by L. A. Marshall and published by . This book was released on 1967 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report presents a summary of the important results obtained on a combined analytical and experimental program for investigation of the hypersonic dynamic stability of re-entry vehicles. An unsteady flow field solution is described which predicts the static and dynamic stability characteristics for vehicles which are executing small amplitude oscillations about zero angle of attack. Solutions were obtained for sharp and blunted, axisymmetric and two-dimensional shapes in real gas equilibrium flow. The experimental program was conducted in AEDC tunnel 'C' at Mach 10 and in the Ling-Temco-Vought Hot Shot tunnel at Mach 14 and 20 to obtain dynamic stability characteristics of a 10 degree cone. Data are presented to show the effect of bluntness ratio, reduced frequency, center of gravity location, Reynolds number and Mach number. Comparisons are made with various theoretical results and limited correlations are shown which establish significant trends.
Author : R. B. Hobbs (Jr.)
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hypersonic Dynamic Stability written by R. B. Hobbs (Jr.) and published by . This book was released on 1967 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind tunnel tests were conducted at M = 10 and at M = 14 and 20 to obtain experimental data on the hypersonic dynamic stability characteristics of a 10-degree half-angle cone. These data were generated to support dynamic stability studies and to evaluate the effects of many geometric and environmental variables, which influence the oscillatory motion of re-entry vehicles. The state-of-the-art of experimental ground testing in hypersonic dynamic stability is reviewed in detail with respect to simulation and data measuring capabilities. Data correlations were obtained to compare facilities and to evaluate the degree of consistency of results using different techniques in measuring and reducing the data. The confidence level for the data is established by means of these correlations, and conclusive interpretations of the data for application in flight estimates can only be made when the significance of these correlations are fully realized. The data correlations do bring out definite inconsistencies in test results and demonstrate the more obvious shortcomings of ground test simulation in this type of experiment research. Test results indicate that the 10-degree cone configuration is dynamically stable over the entire scope of matrix variables covered in the experimental program. Dynamic instabilities observed in flight remain unconfirmed by these ground test results.
Author : Frederick B. Cyran
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.3/5 (91 download)
Download or read book Evaluation of Critical Sting Length on a 7-deg Cone as Determined by Measurements of Dynamic Stability Derivatives and Base Pressure for Mach Numbers 0.2 Through 1.3 written by Frederick B. Cyran and published by . This book was released on 1981 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind tunnel tests were conducted to provide sting-support interference information for planning and directing wind tunnel tests at subsonic and transonic Mach numbers. Sting-length effects on dynamic stability derivatives, static pitching moment, and base pressure of a blunt, flat-base 7- deg cone were investigated at Mach numbers 0.2 to 1.3 in the Arnold Engineering Development Center (AEDC) Propulsion Wind Tunnel Facility (PWT). Two frequencies of oscillation, nominally 5.3 and 2.9 Hz, were investigated. The boundary-layer state at the model base was turbulent for all Mach numbers greater than 0.2. The interference effects of two types of model-wake splitter plates were also investigated. The results showed that the critical sting length depended on the Mach number, angle of attack, and type of data used as the interference indicator. A critical sting length of three model diameters was determined to be suitable for all test conditions for the ratio of sting-diameter-to-model-base- diameter (0.22) for this test.
Author : Otto Walchner
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (759 download)
Download or read book Hypersonic Wind Tunnel Measurements of Roll Damping Derivatives for Cones written by Otto Walchner and published by . This book was released on 1969 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The roll damping derivatives for a 10 deg cone with various nose bluntness ratios were measured at Mach 12.7 and 14.2 Re = 250,000, in axial flow and at angles of attack up to plus or minus 8 degrees. An air bearing, supporting the model with freedom in roll, was designed specifically for these tests. The bearing performance is described in detail. The measured derivatives compare very favorably with Quinn's laminar roll damping theory for blunted cones in axial flow. A moderate decrease of the magnitude of the derivatives results from blunting the nose. At angles of attack, this blunt nose effect diminishes and the blunt cone derivatives approach the sharp cone values with increasing angle of attack. Experimental difficulties at angles of attack were traced to possible free stream deficiencies and were overcome by increasing the model roll rate. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.0/5 ( download)
Download or read book AIAA Sixth International Aerospace Planes and Hypersonics Technologies Conference: 95-6050 - 95-6099 written by and published by . This book was released on 1995 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arthur Gilmore
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Dynamic Stability Derivatives of Vehicles Flying at Hypersonic Velocity written by Arthur Gilmore and published by . This book was released on 1963 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth W. McAlister
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (31 download)
Download or read book Aerodynamic Characteristics of a Large-angle Blunt Cone with and Without Fence-type Afterbodies written by Kenneth W. McAlister and published by . This book was released on 1971 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dave R. Moore
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.E/5 ( download)
Download or read book Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 100 Cone written by Dave R. Moore and published by . This book was released on 1967 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
