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Investigation Of Substructure Heating On Cracked Ablative Heat Shields
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Book Synopsis Investigation of Substructure Heating on Cracked Ablative Heat Shields by : Erhard M. Winkler
Download or read book Investigation of Substructure Heating on Cracked Ablative Heat Shields written by Erhard M. Winkler and published by . This book was released on 1969 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program was carried out to study the effect of cracks in an ablative heat shield on the substructure heating. The test conditions involved stagnation pressures of 20 to 30 atmospheres, temperatures of 4000 to 9000R, and Mach numbers of 2.3 and 3. The models, made of teflon, has transverse and longitudinal cracks machined into the surface. They were instrumented for pressure, temperature, heat transfer and skin-friction measurements. The cracks were found to have pronounced effects on the ablative behavior. The heating is moderate under a laminar boundary layer, but can be catastrophic when the boundary layer is turbulent, depending upon the size and direction of the crack. The results for the transverse cracks were compared with an available analytical prediction. Ablation was found to reduce the wall shear stress by 40 percent or more. (Author).
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 1975 with total page 1010 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications by : United States. National Bureau of Standards
Download or read book Publications written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards ... Catalog by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards ... Catalog written by United States. National Bureau of Standards and published by . This book was released on 1972 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)
Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1971 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards, 1971 Catalog by : Betty L. Oberholtzer
Download or read book Publications of the National Bureau of Standards, 1971 Catalog written by Betty L. Oberholtzer and published by . This book was released on 1972 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supersonic Ablation Studies with Teflon by : Erhard M. Winkler
Download or read book Supersonic Ablation Studies with Teflon written by Erhard M. Winkler and published by . This book was released on 1969 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program was carried out to study the effect of cracks in an ablative heat shield on the substructure heating. The test conditions involved stagnation pressures of 20 to 30 atmospheres, temperatures of 4000 to 9000R, and Mach numbers of 2.3 and 3. The models, made of teflon, has transverse and longitudinal cracks machined into the surface. They were instrumented for pressure, temperature, heat transfer and skin-friction measurements. The cracks were found to have pronounced effects on the ablative behavior. The heating is moderate under a laminar boundary layer, but can be catastrophic when the boundary layer is turbulent, depending upon the size and direction of the crack. The results for the transverse cracks were compared with an available analytical prediction. Ablation was found to reduce the wall shear stress by 40 percent or more. (Author).
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 1970 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Substructure Heating on Cracked Ablative Heat Shields by : Eva M. Winkler
Download or read book Investigation of Substructure Heating on Cracked Ablative Heat Shields written by Eva M. Winkler and published by . This book was released on 1969 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental program was carried out to study the effect of cracks in an ablative heat shield on the substructure heating. The test conditions involved stagnation pressures of 20 to 30 atmospheres, temperatures of 4000 to 9000R, and Mach numbers of 2.3 and 3. The models, made of teflon, has transverse and longitudinal cracks machined into the surface. They were instrumented for pressure, temperature, heat transfer and skin-friction measurements. The cracks were found to have pronounced effects on the ablative behavior. The heating is moderate under a laminar boundary layer, but can be catastrophic when the boundary layer is turbulent, depending upon the size and direction of the crack. The results for the transverse cracks were compared with an available analytical prediction. Ablation was found to reduce the wall shear stress by 40 percent or more. (Author).
Book Synopsis Space Simulation by : Joseph C. Richmond
Download or read book Space Simulation written by Joseph C. Richmond and published by . This book was released on 1970 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Bureau of Standards. Technical Information and Publications Division Publisher : ISBN 13 : Total Pages :804 pages Book Rating :4.3/5 (91 download)
Book Synopsis Catalog of National Bureau of Standards Publications, 1966-1976: pt. 1 Citations and abstracts. v. 2. pt. 1. Key word index (A through L). v. 2. pt. 2. Key word index (M through Z) by : United States. National Bureau of Standards. Technical Information and Publications Division
Download or read book Catalog of National Bureau of Standards Publications, 1966-1976: pt. 1 Citations and abstracts. v. 2. pt. 1. Key word index (A through L). v. 2. pt. 2. Key word index (M through Z) written by United States. National Bureau of Standards. Technical Information and Publications Division and published by . This book was released on 1978 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalog of National Bureau of Standards Publications, 1966-1976 by : United States. National Bureau of Standards
Download or read book Catalog of National Bureau of Standards Publications, 1966-1976 written by United States. National Bureau of Standards and published by . This book was released on 1978 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research and Development Reports Index by :
Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1970 with total page 1332 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 1970 with total page 1328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
