Results 251 to 260 of about 7,425 (303)

Properties of Mixed Crystal Coprecipitation Substances of Ammonium Nitrate and Potassium Perchlorate Prepared by the Evaporative Solvent Method. [PDF]

ACS Omega
Zi R, Han Z, Yu Y, Wang C, Zhang X, Guo X, Chen J, Zhang X, Yang J.   +8 more
europepmc   +1 more source

Optimal Bi₀.₈Ba₀.₂FeO₃ doping in Bi₀.₅(Na₀.₇₇K₀.₂₀Li₀.₀₃)₀.₅TiO₃ multiferroic ceramics synthesized by the solid-state combustion technique. [PDF]

Sci Rep
Thawong P, Prasertpalichat S, Suriwong T, Pinitsoontorn S, Jantaratana P, Chootin S, Sriondee M, Charoonsuk T, Vittayakorn N, Rittidech A, Bongkarn T.   +10 more
europepmc   +1 more source

Crystallization-Based Modification of Ammonium Perchlorate Heat Release. [PDF]

Cryst Growth Des
Smith-Papin N, Do C, Phister M, Giri G, Kalman J.   +4 more
europepmc   +1 more source

Experimental study of lubricating wear phenomena in Ag-Mg alloy systems. [PDF]

Sci Rep
Venkatasudhahar M, Muthukumar S, Kumar NM, Kumar PM, Al Awadh M, Rajendran P, Lee IE.   +6 more
europepmc   +1 more source

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Dynamic Mechanical Characterization of Composite Solid Propellant for Propellant Grain Structural Integrity Assessment

Macromolecular Symposia, 2019
The objective of this work was to characterize mechanical properties of composite solid propellant in order to conduct the structural integrity assessment of propellant grain. Data required for analyses regarding loads experienced during rocket motor transportation and flight were obtained.
Gustavo Henrique Murari, Fabio Luiz Calciolari, Luis Eduardo Nunes de Almeida   +2 more
exaly   +2 more sources

Thermoviscoelastic Analysis of Axisymmetric Solid Propellant Grains

Journal of Spacecraft and Rockets, 1975
Theme T paper presents a technique developed for the analysis of stress concentration in axisymmetric viscoelastic solids with a moving inner boundary. Using White's procedure of viscoelastic analysis, the technique is then used to analyze a case-bonded grain, in which a number of axisymmetric slots are spaced at intervals along the longitudinal ...
G. SANKARAN, M. JANA
openaire   +1 more source

Transient thermal stresses in solid propellant grains

1st Annual Meeting, 1964
This paper describes how finite-difference procedures are used to solve axisymmetric thermal stress problems with the aid of an electronic digital computer. In this solution, elasticity theory is employed in a stress-function formulation that includes the effects of continuously varying temperatures in both the axial and radial directions.
A. M. MESSNER, D. R. SCHLIESSMANN
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The Design of Cylindrical Propellant Grains

Journal of Jet Propulsion, 1956
T h e m a t h e m a t i c s of t h e des ign of a cyl indr ical p r o p e l l a n t g ra in is d iscussed in genera l . Only t h e di rect r ix of t h e cyl indr ical b u r n i n g surface ( the in t e r sec t ion of t h e cyl inder w i t h a p l a n e n o r m a l t o i t s l a t e ra l surface) need be s t ud i ed .
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The Morphological Continuum in Solid Propellant Grain Design

1970
Grain configurations for solid propellant rockets are classified by relative web thickness and mean vector direction of burning surface into a topological continuum. This ranges from the thin web dendrite (web equal to 1/6 of charge radius and entirely in the cross-section plane) thru the wagon-wheel- and star-perforated grains (1/4 to 1/2 web range ...
J.S. BILLHEIMER, F.R. WAGNER
openaire   +1 more source