Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 11 of 11 for “"Ammonium Perchlorate (AP)"”.
-
Investigation on Ammonium Perchlorate Based Electrically Controlled Propellants
… liquid polymer (polyethylene glycol) and ammonium perchlorate (AP) was conducted. Complexation of AP with PEG enabled ion transport when a voltage was applied resulting in ignition. Although the propellant was manufactures by solution casting, the final product contained no solvent as …
-
Catalytic Role of Boron Nitride in the Thermal Decomposition of Ammonium Perchlorate
The decomposition of Ammonium Perchlorate (AP), a strong oxidizer used in solid rocket propellant, is widely studied in an attempt to increase the burn characteristics of propellants. Many materials have been shown to catalyze its decomposition, but little is known about the mechanism by which AP …
-
In Situ Flame Structure Imaging of Composite Propellants using High-Speed Planar Laser-Induced Fluorescence
Ammonium perchlorate (AP) is the most commonly used oxidizer in solid rocket propellants due to its availability, high oxygen balance, and combustion characteristics. Models of AP composite propellants have been made since the 1950s and have become highly advanced in recent years. However, …
-
Piezoresistivity Characterization of Polymer Bonded Energetic Nanocomposites under Cyclic Load Cases for Structural Health Monitoring Applications
… composites were experimentally investigated. Ammonium perchlorate (AP) crystals served as the inert energetic and atomized aluminum as the metallic fuel, both of which were combined to create a representative fuel-oxidizer filler often used for aerospace propulsive applications. MWCNTs were …
-
Design And Implementation Of An Emission Spectroscopy Diagnostic In A High-pressure Strand Burner For The Study Of Solid Propell
The application of emission spectroscopy to monitor combustion products of solid rocket propellant combustion can potentially yield valuable data about reactions occurring within the volatile environment of a strand burner. This information can be applied in the solid rocket propellant industry. …
-
The effects of induced hypothyroidism on the glucocorticoid stress response in Japanese quail (Coturnix japonica)
… on the glucocorticoid stress response in Japanese quail, a potential interaction between the hypothalamic-pituitary thyroid (HPT) and hypothalamic-pituitary adrenal (HPA) axes of control. I used the thyroid inhibitor ammonium perchlorate (AP) for 2 weeks and 5 weeks to induce two states of …
-
Two-Dimensional Modeling of AP/HTPB Utilizing a Vorticity Formulation and One-Dimensional Modeling of AP and ADN
… author pertaining to the propellant oxidizer, ammonium perchlorate (AP). Detailed kinetic mechanisms have been utilized to model the combustion of the monopropellants AP and ADN, and a two-dimensional diffusion flame model has been developed to examine the flame structure above an AP/HTPB …
-
Growth and developmental effects of exposure to ammonium perchlorate during gestation, lactation, and post-lactation in deer mice
… following in utero and lactational exposure to ammonium perchlorate (AP), a thyroid toxicant. Breeding pairs were dosed continuously wUh either 0, 1 nM, 1 liM, or 1 mM concentrations of AP in drinking water, from cohabitation until pups from the third litter were weaned. Pups from the first …
-
Modifying burning rate and agglomeration size in aluminized composite solid propellants using mechanically activated metals
… losses. Tailored composite particles has been applied to tailor aluminum particle ignition and combustion. In this research, mechanical activated aluminum magnesium powders are synthesized, tested in both laser ignition using CO2 and propellant. Prepared powders categorized into particle size …
-
Leveraging Carbon Based Nanoparticle Dispersions for Fracture Toughness Enhancement and Electro-mechanical Sensing in Multifunctional Composites
… or engineered and with the discovery of Graphene nanoplatelets (GNP) in 2010, carbon based nanoparticles were propelled as the most promising class of nanoparticles. High mechanical strength and stiffness, excellent electrical and thermal conductivity, and high strength to weight ratios are …
-
Composite propellant combustion with low aluminum agglomeration
… studied in a unique, wide-distribution, ammonium perchlorate/hydroxyl-terminated polybutadiene (AP/HTPB) propellant formulation that results in low Al agglomeration, even at low pressures (1-30 atm). Variations in formulation—such as fine-AP/binder ratio, Al particle size, Al loading, …