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Conversor LLC auto-oscilante com retificação síncrona para carregamento de baterias chumbo-ácidas
(Universidade Federal de Santa Maria, 2022-08-29)
This work presents the analysis, development and implementation of a lead-acid battery
charger through an LLC resonant converter with variable output power capability and
an active MOSFET synchronous rectifier. The ...
Esterçamento automático e controle de velocidade de veículos agrícolas com simulações em tempo real
(Universidade Federal de Santa Maria, 2020-09-18)
In this work, an automatic steering and velocity control is designed for an agricultural tractor
to improve agricultural efficiency due to the following reasons: to avoid missing or overlap
between two adjacent tracks ...
Modelagem e implementação de ferramenta para projeto preliminar de motor hipersônico aspirado
(Universidade Federal de Santa Maria, 2020-10-02)
In this work, a tool for preliminary hypersonic airbreathing design, scramjet technology, is
modeled and implemented. It was considered planar and axisymmetric geometries and the
model was sectioned into inlet, combustor ...
Projeto preliminar de um tubo de Ludwieg como um aparato experimental para um laboratório de escoamentos compressíveis na UFSM
(Universidade Federal de Santa Maria, 2020-10-06)
Pulsed wind tunnels are tools used to reproduce the necessary conditions to perform research
and development which depend of high Mach number flows. The replication of these
flow conditions is crucial for the validation ...
Estimação da trajetória ótima de um lançador movido a foguete de propelente sólido
(Universidade Federal de Santa Maria, 2021-08-13)
In this work the optimal trajectory of orbital insertion of a Rocket-Powered Launcher is calculated,
considering the discontinuities caused by the stage shifts, via the optimal control
theory. First the translational ...
Formulação de um elemento finito de viga tridimensional para dinâmica de corpos flexíveis
(Universidade Federal de Santa Maria, 2020-09-24)
In the last decades, many efforts have been done to build models to simulate multiphysics
analisys. For instance, in aeronautical projects, computational models coupling flight dynamics,
structural mechanics, aerodynamics ...
Impermeabilização – construindo o conhecimento
(Universidade Federal de Santa Maria, 2022-05-27)
The present work has the objective of presenting a waterproofing system from a project point
of view in its execution, considering the image from a water point of view and pointing out as
part of the construction of its ...
Banco de ensaios de um gerador elétrico para um veículo aéreo não tripulado (VANT)
(Universidade Federal de Santa Maria, 2022-08-19)
Remotely piloted aircraft (RPAs), also know as unmanned aerial vehicles (UAVs), have
emerged as a versatile and low-cost alternative for carrying out certain activities, mainly in
the field agriculture, either in mapping ...
Efeitos no consumo de combustível e emissão de poluentes pelo uso de altitude variável durante o voo de cruzeiro
(Universidade Federal de Santa Maria, 2020-09-18)
The growth in air traffic, especially on low-cost flight, combined with the increase in oil prices
and the growing concern with environmental impacts, increase the aeronautical sector
research for ways to reduce fuel ...
Estudo de método dos painéis 2D em Python para cálculo de coeficientes aerodinâmicos
(Universidade Federal de Santa Maria, 2022-08-17)
In this work, it is proposed to obtain a program in Python that uses the panel method to
calculate aerodynamic coefficients in 2D profiles. For this, a constant distribution of dipoles
and an inviscid, potential and ...