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Drag coefficients in hydraulic channel

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Resumo:Experimental information is extremely useful in solving problems involving flow over bodies, as well as for determination of design parameters in aerodynamics and hydrodynamics, the drag coefficient being one of the most relevant as it allows to quantify the drag forces, that is, the total resistance of a body being dragged by a fluid. In this context, water tunnels have become indispensable research tools as they allow simulations involving all the complexity of a real flow in a fast and economical way, and together with experimental techniques of dimensional analysis, allow to standardize the coefficients in technical norms and with wide acceptance for different flow regimes and models of different geometric shapes, among which we can highlight the plates, bars, discs, cylinders, and hydrodynamic bodies. experimental tests were carried out to perform several measurements of hydrodynamic drag allowing a comparative study based on empirical drag coefficients in the literature for smooth cylinders.
Autores principais:Echi, Samed
Assunto:External flows Drag coefficient Water tunnel Cylindrical bodies and surface roughness
Ano:2022
País:Portugal
Tipo de documento:dissertação de mestrado
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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