RSS 1.0Departamento de Engenharia Mecânica
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Recent Submissions
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Effective force area and discharge coefficient for reed type valves: A comprehensive data set from a numerical study
; Gasche, José Luiz
(International Journal of Refrigeration, 2019) [Artigo]
Radial diffusers have been used as valve model to determine effective force area and discharge coefficient of the flow. A comprehensive data set of these parameters is lacking in the literature. Here, we present numerical ... -
Measurement of the speed of leak noise propagation in buried water pipes: Challenges and difficulties
Brennan, Michael John; de Almeida, Fabrício Lobato César ; de Lima, Fábio Kroll ; Castillo, Pedro Christian Ayala ; Paschoalini, Amarildo Tabone (Lecture Notes in Mechanical Engineering, 2018) [Capítulo de livro]
To accurately determine the position of a leak in a buried plastic water pipe using acoustic correlation, a good estimate of the speed of noise propagation (wave speed) is required. The factors that affect this wave speed, ... -
Attitude control of inverted pendulums using reaction wheels: Comparison between using one and two actuators
Trentin, João Francisco Silva; Cenale, Tiago Peghin ; da Silva, Samuel ; Ribeiro, Jean Marcos de Souza (Proceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering, 2019) [Artigo]
The attitude control using reaction wheels as actuators has been one of the most popular ways to stabilize and repel external disturbances in aerospace devices. From the controlled change of the angular momentum rate of ... -
Moving frames for Lie symmetries reduction of nonholonomic systems
; ; Righetto, Edison; da Silva, Samuel (Acta Mechanica, 2019) [Artigo]
Given a Lie group of finite-dimensional transformations acting on a manifold, there is always an action known as a long-acting group action. This action describes the fundamental basis of the Lie theory connecting groups ... -
Fault detection in rotating machinery by using the modal state observer approach
; ; ; Melo, G. P.; (Journal of Sound and Vibration, 2019) [Artigo]
The existence of cracks in rotating shafts can lead to failures, which imply economic losses and security issues. In the last decades, attention has been devoted to this subject leading to the development of vibration-based ... -
Damage detection in an uncertain nonlinear beam based on stochastic Volterra series: An experimental application
Villani, Luis G.G.; da Silva, Samuel ; ; (Mechanical Systems and Signal Processing, 2019) [Artigo]
The damage detection problem becomes a more difficult task when the intrinsically nonlinear behavior of the structures and the natural data variation are considered in the analysis because both phenomena can be confused ... -
Estimation of the bulk and shear moduli of soil surrounding a plastic water pipe using measurements of the predominantly fluid wave in the pipe
Scussel, O.; Brennan, M. J. ; ; Almeida, F. C.L. ; Paschoalini, A. T. (Journal of Applied Geophysics, 2019) [Artigo]
Leak noise correlators are commonly used to detect and locate leaks in buried water pipes. They use the cross-correlation function between leak noise signals measured using hydrophones or accelerometers placed on the pipe ... -
Effects of Nickel Addition on the Microstructure of Laser-Welded UNS S32750 Duplex Stainless Steel
; ; ; Ventrella, Vicente A. (Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 2019) [Artigo]
Welding duplex stainless steels with Nd:YAG pulsed laser welding results in an unbalanced microstructure. The present article reports the effects of nickel addition on the microstructure of UNS S32750 duplex stainless steel ... -
Manufacture of continuous metal matrix composite strip reinforced by particulate materials from the semisolid processing
Filho, Antonio de Pádua Lima; Ueda, Bruno Katsuyoshi Silama ; de Castro, Tales Paschoalino ; de Oliveira, Rodrigo Alessandro Nunes (Solid State Phenomena, 2019) [Trabalho apresentado em evento]
Strip casting is a new method of producing metal matrix composites. Two-roll melt dragged processing (TRMD-ing) and single-roll melt dragged processing (SRMD-ing) methods were used to study the manufacture of 2-mm-thick ... -
Influence of pouring temperature and alloy additions on the quality of a semisolid material dragged during the continuous-casting strip processing of al-si a413
Filho, Antonio de Pádua Lima; Ferreira, Lucas Veronez Goulart ; Neto, Pedro Barbosa de Oliveira ; de Oliveira, Cássio Basile ; Arantes, Carlos Henrique de Oliveira ; de Castro, Tales Paschoalino ; ; (Solid State Phenomena, 2019) [Trabalho apresentado em evento]
Al–Si A413 treated and untreated alloys were cast and poured at approximately 720 ºC, 700 ºC, and 680 ºC in a cooling slope to obtain the semisolid material feeding the ceramic nozzle (150 cm 3 ) at the lower roll (single-roll ... -
A very short introduction to the geometric algebra of hydrodynamics
; Da Silva, Samuel (European Journal of Physics, 2019) [Artigo]
The classical equations used to describe the incompressible flow of an ideal fluid may be obtained on an elegant and compact structure with a single equation using geometric algebra. This article proposes a simple way to ... -
The contributions of Prof. Vicente Lopes Jr to smart structures research
Gonsalez Bueno, Camila G.; Faria, Cássio T. ; Bueno, Douglas D. ; Gonçalves, Paulo J. Paupitz ; da Silva, Samuel (Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2019) [Carta]
The scientific career of Vicente Lopes Jr at UNESP—Ilha Solteira—spanned three decades in which he worked on new applications of smart structures in structural health monitoring and active vibration control. Prof. Lopes ... -
A new way for harmonic probing of hysteretic systems through nonlinear smooth operators
Teloli, Rafael de O.; da Silva, Samuel (Mechanical Systems and Signal Processing, 2019) [Artigo]
This paper proposes a new way to approach hysteresis with the rate-independent property through an analytical response for the non-smooth hysteresis loop using frequency response approximations. The method consists of ... -
Some diverse examples of exploiting the beneficial effects of geometric stiffness nonlinearity
; Brennan, M. J.; (Mechanical Systems and Signal Processing, 2019) [Artigo]
The effects of nonlinearity, particularly stiffness nonlinearity, has been of concern to structural engineers for many years. The main reason for this is because this type of nonlinearity can cause unpredictable dynamics, ... -
Lifetime sensitivity analysis of FPSO operating parameters on energy consumption and overall oil production in a pre-salt oil field
; ; Salviano, Leandro Oliveira; ; (Chemical Engineering Communications, 2019) [Artigo]
Floating production storage and offloading (FPSO) platforms are great energy consumers. Reservoir fluid composition and operating parameters of FPSOs are known to be important parameters for the total energy demand, and ... -
Influence of silver nanoparticle solution on the mechanical properties of resin cements and intrarradicular dentin
; Gallego, Juno; Assuncao, Wirley Goncalves ; Fraga Briso, Andre Luiz ; Santos, Paulo Henrique dos (Plos One, 2019) [Artigo]
This study evaluated the influence of silver nanoparticle on mechanical properties of the components of underlying dentin and resin cement in different regions of intraradicular dentin. Ninety extracted single-rooted human ... -
Properties of self-consolidating concrete produced in Brazil
Campos, Renan S.; Barbosa, Monica P. ; Maciel, Geraldo de F. ; ; ; (V Congreso Iberoamericano De Hormigon Autocompactante Y Hormigones Especiales, 2018) [Trabalho apresentado em evento]
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Effect of recycled coarse aggregates on the properties of self-compacting concrete dosed by particle packing
; Campos, Renan S.; Barbosa, Monica P. ; ; ; ; (V Congreso Iberoamericano De Hormigon Autocompactante Y Hormigones Especiales, 2018) [Trabalho apresentado em evento]
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FPSO fuel consumption and hydrocarbon liquids recovery optimization over the lifetime of a deep-water oil field
; ; Salviano, Leandro Oliveira; ; (Energy, 2019) [Artigo]
A Floating, Production Storage and Offloading (FPSO) plant is a high-energy consumer (from a few to several hundreds of megawatts). Since a number of parameters have effects on the FPSO plant performance, screening analysis ... -
Longitudinal vortex generator applied to heat transfer enhancement of a flat plate solar water heater
Silva, Felipe A. S. da; ; Pantaleao, Aluisio V. ; Salviano, Leandro O. (Applied Thermal Engineering, 2019) [Artigo]
The population growth and industrial development increase the demand for energy and the solar energy conversion is an important alternative to complement the world energy matrix. Flat plate solar collectors are devices ...