نتایج جستجو برای: solid propellant
تعداد نتایج: 190589 فیلتر نتایج به سال:
Ultrasonic technique, is one of the best nondestructive techniques for solid propellants motors evaluation. In this article ultrasonic technique use, has been reported for measuring solid propellant burning rate at different pressure with just one experiment and at the moment, for especial motors. The use of swept frequency method in a proper confine frequency and interrupted frequency method h...
Considering the role of plasticizers in the processability of solid propellants, recently many researches have been carried out on the development and investigation of the role of these plasticizers on the improvement of the propellants’ properties. These compounds are used in the formulation of double base and composite propellants to improve processability during propellant preparation and th...
As the development of small satellites, more commonly referred to as ‘microsats’ with masses in the range of 10-100 kg and ‘nanosats’ featuring masses from 1-10 kg, there emerge several new kinds of space missions, such as the formation flying and constellations of micro satellites, distributed onboard carrier wave radar, high resolution synthetic aperture remote sensing etc. Due to the continu...
* Technical Program Manager † Visiting Scholar ‡ Research Scientist § Associate Professor of Civil and Environmental Engineering, University of Illinois at Urbana Copyright 2001 by Center for Simulation of Advanced Rockets. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. Abstract We describe our numerical method for threedimensional simulations of s...
Titanium (IV) oxide as a burning rate catalyst is commonly used in some of the solid composite propellants. As the particle size of this component decreases, the final properties of the propellant will be changed. In this research, effects of using submicron titanium oxide, up to 0.5 percent by weight, have been investigated on properties of an HTPB/AP/Al propellant. TiO2 powder has relatively ...
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