Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16

Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16 PDF Author: J. S. Hahn
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ISBN:
Category : Ablation (Aerothermodynamics)
Languages : en
Pages : 262

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Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16

Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16 PDF Author: J. S. Hahn
Publisher:
ISBN:
Category : Ablation (Aerothermodynamics)
Languages : en
Pages : 262

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Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16

Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16 PDF Author:
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ISBN:
Category :
Languages : en
Pages : 0

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Results are presented from static-force tests and pressure distribution tests of conical bodies with various nose shapes which were chosen to simulate the estimated shapes obtained after significant ablation of the nose had taken place. The basic cone half-angle is 6.3 deg, and the nominal bluntness ratio is 0.25. Nose shapes tested consisted of symmetrical biconics with nose angles of 30, 40, and 50 deg and asymmetrical noses derived from the 50-deg biconic. Results were also obtained for a 50-deg symmetric biconic nose on 4.0- and 9.0-deg cones. The effect of changing the nose-to-cone shoulder radius was investigated on several configurations. Most of the data were obtained at Mach 8, and a limited amount of data was taken at Mach 16. The nominal Reynolds number was 3,100,000 based on the sharp cone length of the 6.3-deg pressure model. For the force tests, the angle-of-attack range was from -5 to 11 deg, and for the pressure tests, the angles of attack included the configuration trim angle and up to 4 deg on either side of the trim angle in increments of generally 1 deg. At Mach 8, data are given for the ablated nose shapes with the vehicle rolled -30, -60, and -90 deg. (Author).

Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16

Force and Pressure Tests on Cones with Simulated Ablated Noses at Mach Numbers 8 and 16 PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Book Description
Results are presented from static-force tests and pressure distribution tests of conical bodies with various nose shapes which were chosen to simulate the estimated shapes obtained after significant ablation of the nose had taken place. The basic cone half-angle is 6.3 deg, and the nominal bluntness ratio is 0.25. Nose shapes tested consisted of symmetrical biconics with nose angles of 30, 40, and 50 deg and asymmetrical noses derived from the 50-deg biconic. Results were also obtained for a 50-deg symmetric biconic nose on 4.0- and 9.0-deg cones. The effect of changing the nose-to-cone shoulder radius was investigated on several configurations. Most of the data were obtained at Mach 8, and a limited amount of data was taken at Mach 16. The nominal Reynolds number was 3,100,000 based on the sharp cone length of the 6.3-deg pressure model. For the force tests, the angle-of-attack range was from -5 to 11 deg, and for the pressure tests, the angles of attack included the configuration trim angle and up to 4 deg on either side of the trim angle in increments of generally 1 deg. At Mach 8, data are given for the ablated nose shapes with the vehicle rolled -30, -60, and -90 deg. (Author).

Technical Abstract Bulletin

Technical Abstract Bulletin PDF Author:
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ISBN:
Category : Science
Languages : en
Pages : 912

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Government Reports Announcements & Index

Government Reports Announcements & Index PDF Author:
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Category : Science
Languages : en
Pages : 818

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Notices of Changes in Classification, Distribution and Availability

Notices of Changes in Classification, Distribution and Availability PDF Author:
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Category : Science
Languages : en
Pages : 468

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Government Reports Annual Index PDF Author:
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Category : Government reports announcements & index
Languages : en
Pages : 1604

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Category : Aeronautics
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A Collection of Technical Papers PDF Author:
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Category : Aerothermodynamics
Languages : en
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Category : Aeronautics
Languages : en
Pages : 994

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