Search Results - "Colaco, Marcelo J."

Application of nonlinear multivariable model predictive control to transient operation of a gas turbine and NOX emissions reduction by Pires, Thiago S., Cruz, Manuel E., Colaço, Marcelo J., Alves, Marco A.C.

“…This work aims to apply a multivariable nonlinear model-based predictive control strategy (MPC) to avoid unsafe or inappropriate operation of gas turbines,…”
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Hydrous ethanol–gasoline blends – Combustion and emission investigations on a Flex-Fuel engine by Melo, Tadeu C. Cordeiro de, Machado, Guilherme B., Belchior, Carlos R.P., Colaço, Marcelo J., Barros, José E.M., de Oliveira, Edimilson J., de Oliveira, Daniel G.

“…► Study of the impact of hydrous ethanol blends on Flex-Fuel engine performance. ► FTIR used for unburned ethanol and aldehyde measurements. ► Aldehydes and…”
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Accelerated Bayesian Inference for the Estimation of Spatially Varying Heat Flux in a Heat Conduction Problem by Orlande, Helcio R. B., Dulikravich, George S., Neumayer, Markus, Watzenig, Daniel, Colaço, Marcelo J.

“…This article aims at the acceleration of an inverse heat transfer problem solution within the Bayesian framework. The physical problem involves a spatially…”
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A Backward Reciprocity Function Approach to the Estimation of Spatial and Transient Thermal Contact Conductance in Double-Layered Materials Using Non-Intrusive Measurements by Colaço, Marcelo J., Alves, Carlos J. S.

“…This paper presents a computationally fast methodology for the estimation of spatial and transient unknown thermal contact conductance between sandwiched…”
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A fast non-intrusive method for estimating spatial thermal contact conductance by means of the reciprocity functional approach and the method of fundamental solutions by Colaço, Marcelo J., Alves, Carlos J.S.

“…Thermal contact conductance is very important in many heat transfer applications, such as electronic packaging, nuclear reactors, aerospace and biomedicine,…”
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Response surface method applied to the thermoeconomic optimization of a complex cogeneration system modeled in a process simulator by Pires, Thiago S., Cruz, Manuel E., Colaço, Marcelo J.

“…This work presents the application of a surrogate model – a response surface – to replace the objective function to be minimized in the thermoeconomic…”
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Thermography detection of contact failures in double layered materials using the reciprocity functional approach by Abreu, Luiz A.S., Colaço, Marcelo J., Orlande, Helcio R.B., Alves, Carlos J.S.

“…Composite materials are found in many engineering applications such as aircrafts, pipes, nuclear reactors, electronic components and many others. The…”
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Detection of contact failures with the Markov chain Monte Carlo method by using integral transformed measurements by Abreu, Luiz A.S., Orlande, Helcio R.B., Colaço, Marcelo J., Kaipio, Jari, Kolehmainen, Ville, Pacheco, César C., Cotta, Renato M.

“…This work deals with the solution of an inverse heat conduction problem aiming at the detection of contact failures in layered composites through the…”
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Estimation of a Location- and Time-Dependent High-Magnitude Heat Flux in a Heat Conduction Problem Using the Kalman Filter and the Approximation Error Model by Pacheco, César C., Orlande, Helcio R. B., Colaço, Marcelo J., Dulikravich, George S.

“…This paper aims to estimate a location- and time-dependent high-magnitude heat flux in a heat conduction problem. The heat flux is applied on a small region of…”
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Nonlinear Model Predictive Control applied to Transient Operation of a Gas Turbine by Pires, Thiago S., Cruz, Manuel E., Colaco, Marcelo J., Alves, Marco A. C.

“…This work aims to investigate the application of a comprehensive nonlinear model-based predictive control strategy as a means to avoid unsafe or inappropriate…”
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Bayesian estimate of pre-mixed and diffusive rate of heat release phases in marine diesel engines by Pasqualette, Marcelo A., Estumano, Diego C., Hamilton, Fabiana C., Colaço, Marcelo J., Leiroz, Albino J. K., Orlande, Helcio R. B., Carvalho, Rogério N., Dulikravich, George S.

“…The rate of heat released during the combustion in Diesel engines is important for many reasons, including performance evaluation, pollutant formation, and…”
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Thermal analysis of a diesel engine operating with diesel–biodiesel blends by Colaço, Marcelo J., Teixeira, Cláudio V., Dutra, Luciana M.

“…In this paper we study the transient heat conduction in a piston of a diesel engine, subjected to a periodic boundary condition on the surface in contact with…”
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Transient non-intrusive method for estimating spatial thermal contact conductance by means of the reciprocity functional approach and the method of fundamental solutions by Colaço, Marcelo J., Alves, Carlos J.S., Orlande, Helcio R.B.

“…Thermal contact resistance/conductance is very important in many heat transfer applications, such as electronic packaging, nuclear reactors, aerospace and…”
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Magnetohydrodynamic simulations using radial basis functions by Colaço, Marcelo J., Dulikravich, George S., Orlande, Helcio R.B.

“…To overcome the computational mesh quality difficulties, mesh-free methods have been developed. One of the most popular mesh-free kernel approximation…”
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Carlos José Santos Alves (1966-†2021) by Colaco, Marcelo J.

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Stress Corrosion Cracking Resistant Aluminum Alloys: Optimizing Concentrations of Alloying Elements and Tempering by Bhargava, Suvrat, Dulikravich, George S., Murty, Gollapudi S., Agarwal, Arvind, Colaço, Marcelo J.

“…The objective of this study is to develop a new family of aluminum alloys with superior stress corrosion cracking resistance (SCCR) and mechanical properties…”
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Heat transfer coefficient estimation of an internal combustion engine using particle filters by Hamilton, Fabiana C., Colaço, Marcelo J., Carvalho, Rogério N., Leiroz, Albino J.K.

“…The continuous growth of the worldwide vehicle fleet is leading to many private initiatives and governmental policies for the achievement of lower pollutant…”
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Approximation of the likelihood function in the Bayesian technique for the solution of inverse problems by Orlande, Helcio R.B., Colaço, Marcelo J., Dulikravich, George S.

“…This work deals with the use of radial basis functions for the interpolation of the likelihood function in parameter estimation problems. The focus is on the…”
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Filtered reciprocity functional approach to estimate internal heat transfer coefficients in 2D cylindrical domains using infrared thermography by Mocerino, Andrea, Colaço, Marcelo J., Bozzoli, Fabio, Rainieri, Sara

“…•An original approach to estimate local heat transfer coefficient is proposed.•It presents advantages over classical solution techniques.•It is completely…”
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A response surface method-based hybrid optimizer by Colaço, Marcelo J., Dulikravich, George S., Sahoo, Debasis

“…In this article, we describe a hybrid optimizer based on a highly accurate response surface method, which uses several radial basis functions and polynomials…”
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