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Investigation Of Ablation Effects On Hypersonic Dynamic Stability Of A 10 Cone
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Book Synopsis Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Cone by : Dave R. Moore
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.
Book Synopsis Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Degrees Cone by : Dave R. Moore
Download or read book Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Degrees Cone written by Dave R. Moore and published by . This book was released on 1967 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 100 Cone by : Dave R. Moore
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:
Book Synopsis Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Deg. Cone by : Dave R. Moore
Download or read book Investigation of Ablation Effects on Hypersonic Dynamic Stability of a 10 Deg. Cone written by Dave R. Moore and published by . This book was released on 1967 with total page 71 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. (Author).
Book Synopsis Free-flight Investigation of Ablation Effects N the Stability of Conical Reentry Configurations by : C. J. Welsh
Download or read book Free-flight Investigation of Ablation Effects N the Stability of Conical Reentry Configurations written by C. J. Welsh and published by . This book was released on 1972 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A 1000-ft aeroballistics range was used to obtain free-flight stability and drag data for slightly blunted 10-deg semiangle cones with and without ablation occurring on the conical skirts. The configurations investigated included ones having fore- and aft-positioned ablation sleeves, as well as one with a skirt material which did not ablate. The investigation was conducted for a Mach number near 14 and a Reynolds number, based on cone length and free-stream conditions, of about 55000.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1974 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hypersonic Dynamic Stability: Summary [by] L. A. Marshall by : General Electric Company
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:
Book Synopsis Hypersonic Dynamic Stability: Conical body experimental program [by] R. B. Hobbs, Jr by : General Electric Company
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:
Book Synopsis Research and Technology Program Digest by : United States. National Aeronautics and Space Administration
Download or read book Research and Technology Program Digest written by United States. National Aeronautics and Space Administration and published by . This book was released on with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1967 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ablation and Viscous Effects on the Force and Moment Characteristics of Slender Cone Models at Mach 10 Under Laminar Flow Conditions by : B. J. Griffith
Download or read book Ablation and Viscous Effects on the Force and Moment Characteristics of Slender Cone Models at Mach 10 Under Laminar Flow Conditions written by B. J. Griffith and published by . This book was released on 1975 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive wind tunnel investigation was conducted at Mach number 10 on 4- and 5-deg half-angle cones in order to study ablation and viscous effects under laminar flow conditions. Attention was focused on (1) the mode of ablation simulation, (2) obtaining consistent pitch plane force measurements in the angle-of-attack range from 0 to 4 deg, (3) the effect of bluntness, and (4) viscous effects over as large a Reynolds number range as possible. The subliming ablator used was camphor, which is compared to blowing through a porous surface using (1) nitrogen, (2) argon, and (3) sulphur hexafluoride (SF6) gases.
Book Synopsis Exploratory Investigations of the Effects of Gas Injection Through a Porous Model on Separation, Transition, Static Stability and Control Effectiveness of a Blunt Entry Body at Mach Number 7.3 by :
Download or read book Exploratory Investigations of the Effects of Gas Injection Through a Porous Model on Separation, Transition, Static Stability and Control Effectiveness of a Blunt Entry Body at Mach Number 7.3 written by and published by . This book was released on 1967 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research and Technology Program Digest Flash Index by :
Download or read book Research and Technology Program Digest Flash Index written by and published by . This book was released on 1967 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1981 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1961 with total page 1274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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