Banca de DEFESA: Elaine Maria Coim

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : Elaine Maria Coim
DATE: 28/02/2024
TIME: 14:00
LOCAL: Microsoft TEAMS
TITLE:

Didactic platform for studying variable-geometry airfoil profile actuated by shape memory alloys

KEY WORDS:

Shape memory alloys. Airfoil control. Experimental didactic platform. Diffuser design.

PAGES: 83
BIG AREA: Engenharias
AREA: Engenharia Mecânica
SUMMARY:

At the present time, there is an increasing concern about the environment and, consequently, discussions about how alternative energy sources can be better utilized. In this sense, recent studies demonstrate how the geometric characteristics of a diffuser for horizontal axis turbines can interfere in the generation of sustainable energy. Among the parameters that have the greatest impact, the curvature of the surface can optimize the wind or water speed inside the diffuser by up to 65%. Facing a new trend, research on the development of diffusers with deformable structure describes satisfactory results. Among the smart materials studied for the drive of these structures, shape memory alloys stand out. In this context, this work is a proposal of a didactic experimental platform for the study of a variable geometry airfoil prototype, model NACA 0015, driven by shape memory alloys. For this, the didactic experimental platform - BRAVUS was built and can be defined by a set of mechanical elements, electro-electronic elements and elements of integration and data aquisition capable of, from the physical model, elaborate the computational hybrid model, add the object of investigation and collect experimental results that are closer to reality. The objective is to evaluate the performance of the prototype airfoil in geometry variation when driven by SMA activated by electric current. The results attest the operation and feasibility of the developed platform.

COMMITTEE MEMBERS:
Presidente - 404142 - ANTONIO CESAR PINHO BRASIL JUNIOR
Externo ao Programa - 3295206 - RAFAEL CASTILHO FARIA MENDES - UnBExterno à Instituição - Reginaldo Nunes da Silva - UEMA
Interno - 3375759 - TAYGOARA FELAMINGO DE OLIVEIRA