The Thermal Decomposition of Rdx at Temperatures Below the Melting Point. Ii. Activation Energy PDF Download
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Author: J. J. Batten Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The activation energy has been determined in the temperature range 170-198C. If the sample was spread the activation energy was independent of the definition of the kinetic parameter substituted in the Arrhenius equation and was 63 kcal/mole. In the case of the unspread samples the activation energies of the induction, acceleration, and maximum rates were 49, 43, and 62 kcal/mole respectively. The effect that sample geometry has on the activation energy is attributed to gaseous decomposition products influencing the reaction. (Author).
Author: J. J. Batten Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
The activation energy has been determined in the temperature range 170-198C. If the sample was spread the activation energy was independent of the definition of the kinetic parameter substituted in the Arrhenius equation and was 63 kcal/mole. In the case of the unspread samples the activation energies of the induction, acceleration, and maximum rates were 49, 43, and 62 kcal/mole respectively. The effect that sample geometry has on the activation energy is attributed to gaseous decomposition products influencing the reaction. (Author).
Author: J. J. Batten Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
The kinetics of the decomposition of RDX have been investigated in the presence of formaldehyde over the temperature range 170-197C with the RDX sample spread. This indicated a marked increase in the positive-catalytic effect of the formaldehyde with decreasing reaction temperature; however, the kinetics were not altered by the added formaldehyde. The activation energy was about 44 kcal/mol. (Author).
Author: J. J. Batten Publisher: ISBN: Category : Languages : en Pages : 11
Book Description
Two mechanisms have recently been proposed to explain the behaviour of the initial rate of decomposition of RDX with change in sample geometry. These are (1) that the decomposition proceeds by concurrent gas and liquid phase reactions, and (2) that gaseous decomposition products influence the rate of decomposition of undecomposed RDX in the condensed phase. It is concluded that mechanism (2) is the more probable when the reaction is carried out in the presence of nitrogen.
Author: S.N. Bulusu Publisher: Springer Science & Business Media ISBN: 9400920350 Category : Science Languages : en Pages : 756
Book Description
This book represents a collection of lectures presented at the NATO Advanced study Institute(ASI) on "Chemistry & Physics of the Molecular Processes in Energetic Materials", held at Hotel Torre Normanna, Altavilla Milicia, Sicily, Italy, September 3 to 15, 1989. The institute was attended by seventy participants including twenty lecturers, drawn from thirteen countries. The purpose of the institute was to review the major ad vances made in recent years in the theoretical and experi mental aspects of explosives and propellants. In accordance with the format of the NATO ASI, it was arranged to have a relatively small number of speakers to present in depth, re view type lectures emphasizing the basic research aspects of the subject, over a two week period. Most of the speakers gave two lectures, each in excess of one hour with addition al time for discussions. The scope of the meeting was limit ed to molecular and spectroscopic studies since the hydro dynamic aspects of detonation and various performance crite ria of energetic materials are often covered adequately in other international meetings. An attempt was made to have a coherent presentation of various theoretical, computational and spectroscopic approaches to help a better understanding of energetic materials from a molecular point of view. The progress already made in these areas is such that structure property (e. g.
Author: J. J. Batten Publisher: ISBN: Category : Languages : en Pages : 15
Book Description
It was first demonstrated that the occluded solvents and gases which are often present in RDX are expelled prior to zero reaction time of thermal decomposition. Thus they do not seriously interfere with the use of pressure increase as a measure of the extent of thermal decomposition. The rate of thermal decomposition is sublimed RDX at 195C was then compared with the rate after the following treatments, preliminary grinding of the crystals, preparation of the crystals by different techniques, mixing RDX with various solid additives, Interruption of the reaction by cooling, and pre-irradiation with ultraviolet light. (Author).
Author: Kenneth K. Kuo Publisher: Begell House Publishers ISBN: Category : Combustion Languages : en Pages : 1114
Book Description
This edited book contains state-of-the-art information associated with energetic material combustion. There are twelve topical areas, including: Reaction Kinetics of Energetic Materials (Solid, Liquid, and Gel Propellants); Recycling of Energetic Materials; Combustion Performance of Hybrid and Solid Rocket Motors; Ignition and Combustion of Energetic Materials; Energetic Material Defects and Rocket Engine Flowfields; Metal Combustion; Pyrolysis and Combustion Processes of New Ingredients and Applications; Theoretical Modeling and Numerical Simulation of Combustion Processes of Energetic Materials; Combustion Diagnostic Techniques; Propellant and Rocket Motor Stability; Commercial Applications of Energetic Materials (Airbags, Gas Generators, etc.); and Thermal Insulation and Ablation Processes.
Author: J. J. Batten
Author: J. J. Batten
Author: J. J. Batten
Author: J. J. Batten
Author: S.N. Bulusu
Author: J. J. Batten
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Author: 
Author: Kenneth K. Kuo
Author: 
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