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Effects Of Normal Acceleration On Transient Burning Rate Augmentation Of An Aluminized Solid Propellant
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Book Synopsis Effects of Normal Acceleration on Transient Burning-rate Augmentation of an Aluminized Solid Propellant by : G. Burton Northam
Download or read book Effects of Normal Acceleration on Transient Burning-rate Augmentation of an Aluminized Solid Propellant written by G. Burton Northam and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Instantaneous burning rate data for a polybutadiene acrylic acid propellant, containing 16 weight percent aluminum, were calculated from the pressure histories of a test motor with 96.77 sq cm of burning area and a 5.08-cm-thick propellant web. Additional acceleration tests were conducted with reduced propellant web thicknesses of 3.81, 2.54, and 1.27 cm. The metallic residue collected from the various web thickness tests was characterized by weight and shape and correlated with the instantaneous burning rate measurements. Rapid depressurization extinction tests were conducted in order that surface pitting characteristics due to localized increased burning rate could be correlated with the residue analysis and the instantaneous burning rate data. The acceleration-induced burning rate augmentation was strongly dependent on propellant distance burned, or burning time, and thus was transient in nature. The results from the extinction tests and the residue analyses indicate that the transient rate augmentation was highly dependent on local enhancement of the combustion zone heat feedback to the surface by the growth of molten residue particles on or just above the burning surface. The size, shape, and number density of molten residue particles, rather than the total residue weight, determined the acceleration-induced burning rate augmentation.
Book Synopsis Effects of Normal Acceleration on Transient Burning-rate Augmentation of an Aluminized Solid Propellant by : G. Burton Northam
Download or read book Effects of Normal Acceleration on Transient Burning-rate Augmentation of an Aluminized Solid Propellant written by G. Burton Northam and published by . This book was released on 1972 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of the Acceleration Vector on Transient Burning-rate Augmentation of an Aluminized Solid Propellant by : G. Burton Northam
Download or read book Effects of the Acceleration Vector on Transient Burning-rate Augmentation of an Aluminized Solid Propellant written by G. Burton Northam and published by . This book was released on 1970 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Propellant Composition Variables on Accleration-induced Burning-rate Augmentation of Solid Propellants by : G. Burton Northam
Download or read book Effects of Propellant Composition Variables on Accleration-induced Burning-rate Augmentation of Solid Propellants written by G. Burton Northam and published by . This book was released on 1972 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Orientation of the Acceleration Vector on Burning-rate Augmentation by : G. Burton Northam
Download or read book Effects of Orientation of the Acceleration Vector on Burning-rate Augmentation written by G. Burton Northam and published by . This book was released on 1972 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The functional dependence of acceleration-induced burning-rate augmentation on the magnitude and orientation of the acceleration vector was determined for an aluminized composite propellant by using a slab motor mounted at various angles on a centrifuge. The rate augmentation was strongly dependent on the orientation of the acceleration vector with respect to the burning propellant surface.
Book Synopsis Acceleration-induced Transient Burning-rate Augmentation of an Aluminized Solid Rocket Propellant by : George Burton Northam
Download or read book Acceleration-induced Transient Burning-rate Augmentation of an Aluminized Solid Rocket Propellant written by George Burton Northam and published by . This book was released on 1969 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1972 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Steady-state Acceleration on Combustion Characteristics of an Aluminized Composite Solid Propellant by : G. Burton Northam
Download or read book Effects of Steady-state Acceleration on Combustion Characteristics of an Aluminized Composite Solid Propellant written by G. Burton Northam and published by . This book was released on 1968 with total page 50 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 1973 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation of the Effect of Aluminum Size and Loading on the Burning Rate of Solid Propellants Under Acceleration by : G. Burton Northam
Download or read book Experimental Investigation of the Effect of Aluminum Size and Loading on the Burning Rate of Solid Propellants Under Acceleration written by G. Burton Northam and published by . This book was released on 1969 with total page 36 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 1972 with total page 1932 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Israel Journal of Technology written by and published by . This book was released on 1985 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Propellant Composition Variables on Acceleration-induced Burning-rate Augmentation of Solid Propellants by : G. Burton Northam
Download or read book Effects of Propellant Composition Variables on Acceleration-induced Burning-rate Augmentation of Solid Propellants written by G. Burton Northam and published by . This book was released on 1972 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work was conducted to define further the effects of propellant composition variables on the acceleration-induced burning rate augmentation of solid propellants. The rate augmentation at a given acceleration was found to be a nonlinear inverse function of the reference burning rate and not controlled by binder or catalyst type at a given reference rate. A nonaluminized propellant and a low rate double-base propellant exhibited strong transient rate augmentation due to surface pitting resulting from the retention of hot particles on the propellant surface.
Download or read book World Aluminum Abstracts written by and published by . This book was released on 1972 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Effect of Acceleration on the Burning Rate of Composite Propellants by :
Download or read book An Investigation of the Effect of Acceleration on the Burning Rate of Composite Propellants written by and published by . This book was released on 1966 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The average burning rates of composite solid rocket propellant were measured in acceleration fields up to 2000 times the standard acceleration of gravity. The acceleration vector was perpendicular to and into the burning surface. Propellant strands were burned in a combustion bomb mounted on a centrifuge, and surge tanks were employed to ensure essentially constant pressure burning at 500, 1000, and 1500 psia. The burning rates of both aluminized and non-aluminized composite propellants were found to depend on acceleration. The effect of acceleration on burning rate was found to depend on the burning rate of the propellant without acceleration, aluminum mass loading, and aluminum mass median particle size. The relative burning rate increase was found to be greater for slow burning propellant than for faster burning propellants. The experimental results are compared to the analytical models proposed by Crowe for aluminized propellants and by Glick for non-aluminized propellants. The results indicate that these models do not adequately predict the observed relative burning rate increase with acceleration, and hence, that more complex modeling will be required to explain the observed acceleration effect. (Author).
