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Targeting the retrofit of large-scale industrial plant with multi-objective optimization

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A general framework for the integration of complex choice models into mixed integer optimization

Meritxell Pacheco Paneque

The objective of this thesis is to develop a general methodology to incorporate a disaggregate demand representation in supply-oriented optimization problems that allows to capture the interplay between the behavior of individuals and the decisions to be o ...

EPFL2020

We propose a new non-perturbative method for studying UV complete unitary quantum field theories (QFTs) with a mass gap in general number of spacetime dimensions. The method relies on unitarity formulated as positive semi-definiteness of the matrix of inne ...

SPRINGER2020

In this study, total heat transfer rate and pressure drop along a shell and tube heat exchanger (STHX) with 6 porous baffles are numerically investigated. To study the impacts of segmental porous baffles, three values for the permeability (10(-9) m(2), 10( ...

PERGAMON-ELSEVIER SCIENCE LTD2020

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The flexibility of distributed energy resources (DERs) accommodated in active distribution networks (ADNs) can be aggregated and then used to provide ancillary services to the transmission system. In this context, this paper presents a linear optimization ...

IEEE2019

Optimum Frame Design with Reused Stock Elements

Corentin Jean Dominique Fivet, Gennaro Senatore, Jan Friedrich Georg Brütting

This paper presents optimization methods for the synthesis of frame structures from a stock of reused elements. Reusing structural elements over multiple service lives has the potential to reduce the environmental impacts of building structures. This is be ...

2019

The ever-increasing utilization of sensitive loads in the industrial, commercial, and residential areas in distribution networks requires enhanced reliability and quality of supply. This can be achieved, thanks to self-healing features of smart grids that ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

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Plain vanilla K-means clustering is prone to produce unbalanced clusters and suffers from outlier sensitivity. To mitigate both shortcomings, we formulate a joint outlier-detection and clustering problem, which assigns a prescribed number of datapoints to ...

2019

A Heat Load Distribution Method for Retrofitting Heat Exchanger Networks, 28th European Symposium on Computer Aided Process Engineering

François Maréchal, Ivan Daniel Kantor, Alberto Mian, Hür Ebuzer Bütün

Fluctuating energy prices, increasing environmental concerns, and regulations push industries toward more energy efficient plants. Process integration (PI) techniques, proven to be effective in providing solutions with improved energy and material efficien ...

2018

A Heat Load Distribution Method for Retrofitting Heat Exchanger Networks, 28th European Symposium on Computer Aided Process Engineering

François Maréchal, Ivan Daniel Kantor, Alberto Mian, Hür Ebuzer Bütün

Elsevier B.V.2018

A heat integration method with multiple heat exchange interfaces

François Maréchal, Ivan Daniel Kantor, Hür Ebuzer Bütün

In recent decades, energy efficiency has become one of the key issues facing large process industries. Mounting economic, environmental and social pressure motivate energy-intensive industries to improve their efficiency. Identifying retrofit opportunities ...

2018