Results 61 to 70 of about 148,565 (303)
Apparatus and method for control of a solid fueled rocket vehicle Patent [PDF]
, 1964 Solid propellant rocket vehicle thrust control method and ...
Gin, W., Piasecki, L. R., Robillard, G.
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A Structural Integrity Perspective for the Assessment of Ageing in Composite Solid Propellants
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Composite solid propellants (CSPs) are critical materials in the defence and aerospace industries, known for their complex mechanical behaviour and susceptibility to ageing. This study explores the application of Principal Component Analysis (PCA) to discriminate the ageing degradation of CSPs based on structural integrity parameters.
Mario Martínez +3 more
wiley +1 more source
Process for the leaching of AP from propellant [PDF]
, 1980 A method for the recovery of ammonium perchlorate from waste solid rocket propellant is described wherein shredded particles of the propellant are leached with an aqueous leach solution containing a low concentration of surface active agent while ...
Mcintosh, M. J., Shaw, G. C.
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Mechanical properties of HTPB composite propellants in the initial period of service life [PDF]
Scientific Technical Review, 2014 Uniaxial tensile tests of different composite solid rocket propellant compositions, based on hydroxyl-terminated polybutadiene (HTPB), have shown that mechanical properties extensively change after curing, up to 100% of their initial values, during the ...
Gligorijević Nikola +6 more
doaj
Ageing studies on AP/HTPB based composites solid propellants
Energetic Materials Frontiers, 2021 Components of solid rocket motor that are susceptible to ageing are propellant, insulator, inhibitor, interfaces, igniter system, and seals. Seals, insulator, ignition systems are replaceable but the motor would be recast when the deterioration in ...
Hamza Naseem +3 more
doaj +1 more source
Adaptive Electromagnetic Manipulation via Smart Metasurface with Ultrasonic Spatial Sensing
Small Structures, EarlyView.The authors present a smart metasurface platform capable of sensing multiple spatial parameters and manipulating electromagnetic waves adaptively based on external object status. Many interesting functions can be achieved, including automatic beam collimation, adaptive beam broadening, and object recognition and cloaking.
Lin Bai +3 more
wiley +1 more source
Solid propellant rocket motor and method of making same [PDF]
, 1977 A method is described for making a solid propellant rocket motor having a specific concavity formed within the fuel charge. A mandrel with an aperature wider than that of the casing is inserted within the motor casing and a solidifiable propellant cast ...
Lewis, D. J., Thibodaux, J. G., Jr.
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Quantitative Evaluation of Rocket Propellants
American Journal of Physics, 1952 A method for the quantitative evaluation of chemicals as rocket propellants is described. The procedure utilizes the fact that adiabatic expansion through a nozzle may be considered to be isentropic. Treatments are presented for the two limiting conditions of expansion, corresponding to flow without chemical change and to flow which is characterized ...
openaire +3 more sources
Global Policy, EarlyView.ABSTRACT The European Union's proposed Space Law aims to establish a unified approach for sustainable space activities across the EU. While the EU's satellite constellations contribute to sustainability efforts, they can also have negative environmental impacts.
Elena Cirkovic, Vitali Braun
wiley +1 more source
Supercharged topping rocket propellant feed system [PDF]
, 1979 A rocket propellant feed system utilizing a bleed turbopump to supercharge a topping turbopump is presented. The bleed turbopump is of a low pressure type to meet the cavitation requirements imposed by the propellant storage tanks.
Ginsburg, A. +2 more
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