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3D model evolution of a leak based on GPR image interpretations

Ocana-Levario, S.J.; Ayala Cabrera, David; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (IWA Publishing, 2015-12)

This paper presents some aspects of the time propagation of underground water leakage in controlled laboratory conditions using a drilled polyvinyl chloride (PVC) pipe and interpreting ground penetrating radar (GPR) images. ...
A hybrid multicriteria approach to GPR image mining applied to water supply system maintenance

Carpitella, Silvia; Ocaña-Levario, Silvia Janeth; Benítez López, Julio; Certa, A.; Izquierdo Sebastián, Joaquín (Elsevier, 2018)

[EN] Data processing techniques for Ground Penetrating Radar (GPR) image mining provide essential information to optimize maintenance management of Water Supply Systems (WSSs). These techniques aim to elaborate on radargrams ...
A new fluorescent "turn-on" chemodosimeter for the detection of hydrogen sulfide in water and living cells

EL SAYED SHIHATA NASR, SAMEH; Torre, Cristina de la; Santos Figueroa, Luis Enrique; Pérez Payá, Enrique; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Costero, Ana M.; Parra Álvarez, Margarita; Gil Grau, Salvador (Royal Society of Chemistry, 2013-12-28)

[EN] A new fluorescent turn-on probe for the selective detection of hydrogen sulfide in water and living cells based on a 8-hydroxyquinoline fluorophore functionalized with a 2,6-dinitrophenyl ether moiety has been developed.
A new methodology using beam elements for the analysis of steel frames subjected to non-uniform temperatures due to fires

Pallares-Muñoz, Myriam R.; Paya-Zaforteza, Ignacio; Hospitaler Pérez, Antonio (Elsevier, 2021-06)

[EN] Non-uniform heating in structures under fire involves the appearance of 3D-phenomena and typically requires the use of complex models built with finite elements shell or solid. Although different procedures have been ...
An Approach to Sustainable Metrics Definition and Evaluation for Green Manufacturing in Material Removal Processes

Ayabaca-Sarria, Cesar; Vila, C. (MDPI AG, 2020-01-14)

[EN] Material removal technologies should be thoroughly analyzed not only to optimize operations but also to minimize the different waste emissions and obtain cleaner production centers. The study of environmental ...
Analysis of Different Tool Path Strategies for Free Form Machining with Computer Aided Surface Milling Operations

Vila, C.; Ayabaca-Sarria, Cesar; Torres Carot, Rafael; Gutiérrez, S. C.; Meseguer, Maria-Desamparados; Yang, X. (Elsevier, 2019)

[EN] Free form surfaces are commonly used to generate aesthetic parts. These parts can be manufactured directly by material removal techniques or indirectly with molding or forming techniques. In any case, these surfaces ...
Clasificación de usos y cubiertas del suelo y análisis de cambios en los alrededores de la Reserva Ecológica Manglares Churute (Ecuador) mediante una serie de imágenes Sentinel-1

Vélez-Alvarado, D.A.; Álvarez-Mozos, J. (Universitat Politècnica de València, 2020-11-27)

[EN] Management practices adopted in protected natural areas often ignore the relevance of the territory surrounding the actual protected land (buffer area). These areas can be the source of impacts that threaten the ...
Comparative study of Sustainability Metrics for Face Milling AISI 1045 in different Machining Centers

Ayabaca-Sarria, Cesar; Vila, C.; Abellán-Nebot, J.V. (Elsevier, 2019)

[EN] The objective of this study is to compare a set of sustainability metrics between different manufacturing resources applied to high performances machining centers. The research compares distributed scenarios in order ...
Complejidad en la Cadena de Suministro: Clasificación, Fuentes y Medición

Coronado-Hernandez, Jairo; García Sabater, José Pedro (Asociación de Profesionales y Técnicos del CONICIT, 2017)

[ES] En este trabajo se presenta una revisión de la literatura sobre la complejidad en cadenas de suministro. Se realiza una clasificación según el origen en complejidad interna, externa y/o total, y según su tipo, en ...
Diagnóstico de la dimensión social de sostenibilidad en procesos de mecanizado mediante el análisis relacional gris

Ayabaca-Sarria, Cesar; Vila, C. (Area de Innovacion y Desarrollo, S.L. - 3 Ciencias, 2018)

[EN] This work evaluates the performance of industrial sustainability indicators from the perspective of the social dimension in machining operations, using the Deming cycle as an improvement tool: plan, do, check and act. ...
GPR image analysis to locate water leaks from buried pipes by applying variance filters

Ocaña-Levario, Silvia Janeth; Carreño-Alvarado, Elizabeth Pauline; Ayala Cabrera, David; Izquierdo Sebastián, Joaquín (Elsevier, 2018)

[EN] Nowadays, there is growing interest in controlling and reducing the amount of water lost through leakage in water supply systems (WSSs). Leakage is, in fact, one of the biggest problems faced by the managers of these ...
Highly selective fluorescence detection of hydrogen sulfide by using an anthracene-functionalized cyclam-CuII complex

Santos Figueroa, Luis Enrique; De la Torre Paredes, Cristina; El Sayed Shehata Nasr, Sameh; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Costero Nieto, Ana María; Gil Grau, Salvador; Parra, Margarita (Wiley-VCH Verlag, 2014-01)

An anthracene-functionalised cyclam-copper(II) complex for the detection of HS- in aqueous environments has been prepared. This probe displays poor fluorescence but can selectively and sensitively detect HS- anions in water ...
Hydraulic Characterization of Diesel Engine Single-Hole Injectors

Payri Marín, Raúl; Gimeno García, Jaime; Cuisano, J.; Arco, J. (Elsevier, 2016-09-15)

Due to world trend on the emission regulations and greater demand of fuel economy, the research on advanced diesel injector designs is a key factor for the next generation diesel engines. For that reason, it is well ...
Imidazoanthraquinone Derivatives for the Chromofluorogenic Sensing of Basic Anions and Trivalent Metal Cations

Marín Hernández, Cristina; Santos Figueroa, Luis Enrique; Moragues Pons, María Esperanza; Raposo, M. Manuela M.; Batista, Rosa M. F.; Costa, Susana P. G.; Pardo Vicente, María Teresa; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (American Chemical Society, 2014-11-21)

[EN] Four imidazoanthraquinone derivatives (2a−d) were synthesized and characterized and their coordination behavior against selected anions and cations tested. Acetonitrile solutions of probes showed charge-transfer ...
New modeling strategies for analyzing lateral-torsional buckling in class-4 steel structural members at elevated temperatures using beam-type elements

Pallares-Muñoz, Myriam R.; Paya-Zaforteza, Ignacio; Hospitaler Pérez, Antonio (Elsevier, 2021-12)

[EN] Fire is one of the main hazards that can affect steel buildings and bridges and was responsible, e.g., for the collapse of the Plasco building in Tehran, Iran, and the I-65 bridge in Birmingham, Alabama, USA. This ...
Non-fundamental effective apparent powerdefined through an instantaneous power approach

Muñoz Galeano, Nicolás; Alfonso Gil, José Carlos; Orts-Grau, Salvador; Segui-Chilet, Salvador; Gimeno Sales, Francisco José (Elsevier, 2011-12)

This paper proposes a new definition of non-fundamental effective apparent power based on an analysis of instantaneous power flows. This new instantaneous power approach for the calculation of the non-fundamental effective ...
On the catalytic oxidation of ascorbic acid at self-doping polyaniline films

Rivero Torre, Omar; Sanchis, Carlos; Huerta, Francisco; Morallón, Emilia (Royal Society of Chemistry, 2012)

Ascorbic acid molecules in either acid or conjugate base forms have been oxidized on self-doping carboxylated polyaniline thin films. The kinetic model proposed by Bartlett et al. has been successfully applied to the ...
Physico-mechanical characterization of a composite from sugar cane Straw particles and alternative cements

Beraldo, Antonio-Ludovico; Paya Bernabeu, Jorge Juan; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª (Federación de Asociaciones de Ingenieros Industriales de España (FAIIE), 2013-03)

[EN] Nowadays, sugar cane bagasse has applications as an alternative fuel in most of the sugar cane industries. However, other residues like sugar cane straw particles (SCSP), produced by mechanized harvesting, may be ...
Scrutinizing the link between participatory governance and urban environment management. The experience in Arequipa during 2003-2006

Peris Peris, Jordi; Acebillo-Baqué, Míriam; Calabuig Tormo, Carola (PERGAMON-ELSEVIER SCIENCE LTD, 2011)

[EN] This paper conceptualises participatory governance as a process of deepening local democracy through the opening of new spaces for civil society and citizens' participation. It explores the link with the urban environment ...
Sustainability Analysis of AISI 1018 Turning Operations under Surface Integrity Criteria

Vila, C.; Ayabaca-Sarria, Cesar; Díaz-Campoverde, Carlos; Calle, Orlando (MDPI AG, 2019-09-01)

[EN] While the world is moving towards achieving sustainable development goals for responsible production and consumption, there is a need for metrics deployment for lower practical levels. From a manufacturing perspective, ...