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Accelerating convergence of leapfrogging optimization - Applications to nonlinear process modeling and nonlinear model predictive control
(2014-07)
Conventionally used optimization methods in chemical engineering applications such as linear programming (LP), Levenberg-Marquardt and sequential quadratic programming (SQP) handle nonlinear objective function (OF) surfaces ...
Development of a predictive equation of state for equilibrium and volumetric properties of diverse molecules and their mixtures
(2014-12)
Accurate prediction of the phase equilibrium and volumetric properties of pure fluids and their mixtures is essential for chemical process design and related applications. Although experiments provide accurate data at ...
Characterization of petroleum refinery LP results under conditions of degeneracy
(2010-12)
Scope and Method of Study
Dynamic aspects of sprays for absorption applications
(2015-05)
Spray columns show potential for absorption applications such as CO2 capture because of the low gas phase pressure drop and resistivity to the corrosive action of amine solvents such as Monoethanolamine (MEA) due to the ...
Leapfrogging with improved initialization and its applications: Demonstration of leapfrogging on horizon predictive control of a heat exchanger
(2014-07)
Leapfrogging (LF) is a recently developed optimization technique that initially places players in random spots in the feasible decision variable space [1]. The approach to reach the global optimum is by "Leaping" the player ...
Development of an integrated approach for modeling gas adsorption and coal swelling
(2015-05)
Accurate descriptions of gas adsorption, adsorbent swelling and permeability in coalbed reservoirs are essential for the optimal design of enhanced natural gas recovery and CO2 sequestration processes. In practice, reservoir ...
Design, assembly and characterization of composite structures of barium titanate and nickel
(2010-05)
Scope and Method of Study: Three dimensional, heterogeneous, geometrically complex ceramic-metal composite structures are fabricated by assembly of aqueous colloidal gels of barium titanate and nickel, followed by densification ...
Shape evolution of 3D periodic structure fabricated by direct-write assembly of concentrated colloidal gels
(2010-12)
Scope and Method of Study: 3D periodic structures were fabricated by direct-write assembly of concentrated colloidal gels with self-supporting features. The rheological behavior of the gel was characterized in linear ...
Quantitative structure-property relationship generalized activity coefficient models
(2014-05)
Phase behavior properties of chemical species and their mixtures are essential to design chemical processes involving multiple phases. Thermodynamic models are used in phase equilibria calculations to determine properties, ...
Deterministic models to explain the phenomenon of interfacial mixing in refined products pipelines
(2012-12)
Scope and Method of Study: