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Articles 1 - 4 of 4
Full-Text Articles in Physics
Classification Of Nuclear Pastas Through Alpha Shapes Model, Daniela Ramirez Chavez
Classification Of Nuclear Pastas Through Alpha Shapes Model, Daniela Ramirez Chavez
Open Access Theses & Dissertations
The nuclear pasta is important because is an astromaterial with incredible strength that may be a source for gravitational waves, which observe from the rotation of neutron stars. The characterization of the pasta is vital because the nuclear phases have transport properties - compressibility, neutrino opacity, thermal conductivity, and electrical conductivity - associated with their shape for which neutron stars may be sensitive. These properties could interpret observations of supernova neutrinos, magnetic field decay, and crust cooling of accreting neutron stars. Here, we study the nuclear pasta using alpha shapes to achieve a phase characterization with the Minkowski functionals (area, …
Mathematical Modeling Of Microemulsification Processes, Numerical Simulations And Applications To Drug Delivery, Ogochukwu Nneka Ifeacho
Mathematical Modeling Of Microemulsification Processes, Numerical Simulations And Applications To Drug Delivery, Ogochukwu Nneka Ifeacho
Open Access Theses & Dissertations
Microemulsion systems are a great pharmaceutical tool for the delivery of formulations containing multiple hydrophilic and hydrophobic ingredients of varying physicochemical properties. These systems are gaining popularity because of its long shelf life, improved drug solubilisation capacity, easy preparation and improvement of bioavailability. Despite the advantages associated with the use of microemulsion systems in pharmaceutical industries, the major challenge impeding their use has been and continues to be the lack of understanding of these systems.
Microemulsions can be mathematically modeled by an initial boundary value problem involving a sixth order nonlinear time dependent equation. In this Thesis, we present a …
Planar Motion Control Of A Cube Satellite Using Cold Gas Thrusters, Christian Lozoya
Planar Motion Control Of A Cube Satellite Using Cold Gas Thrusters, Christian Lozoya
Open Access Theses & Dissertations
This Thesis presents a mathematical model developed for the computational simulation ofCubeSat movement using four thrusters that permit uniaxial translation and rotation. Arbitrary functions are fit to boundary conditions to simulate the force, acceleration, velocity, and displacement of the CubeSat along a plane. The model is used to derive a motion control algorithm assuming constant pressure and mass. A single model describes both translation and rotation. This Thesis also explores the relationship between propellant consumption and the time required to complete a displacement implied by the model.
Complex Gleason Measures And The Nemytsky Operator, Miguel Angel Valles
Complex Gleason Measures And The Nemytsky Operator, Miguel Angel Valles
Open Access Theses & Dissertations
This Thesis is devoted to generalize previous results on Gleason measures
to complex Gleason measures, and to develop a functional calculus
for complex measures in relation to the Nemytsky operator. Furthermore
we present the interpretation of our results in the field of quantum
mechanics, some concrete examples and further extensions of several
theorems.