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Flexible fully organic indirect detector for megaelectronvolts proton beams

npj Flexible Electronics 2023年第1期7卷 513-523页

作者： Sabrina Calvi Laura Basiricò Sara M.Carturan Ilaria Fratelli Antonio Valletta Alberto Aloisio Stefania De Rosa Felix Pino Marcello Campajola Andrea Ciavatti Luca Tortora Matteo Rapisarda Sandra Moretto Matteo Verdi Stefano Bertoldo Olivia Cesarini paolo di meo Massimo Chiari Francesco Tommasino Ettore Sarnelli Luigi Mariucci paolo Branchini Alberto Quaranta Beatrice Fraboni INFN Sezione di RomaTreVia Della Vasca Navale 8400146 RomaItaly CNR-Institute for Microelectronics and Microsystems(IMM)Via Del Fosso Del Cavaliere 10000133 RomeItaly Department of Physics and Astronomy University of BolognaViale C.Berti Pichat 6/240127 BolognaItaly INFN Sezione di BolognaViale C.Berti Pichat 6/240127 BolognaItaly Department of Physics and Astronomy University of PadovaVia Marzolo 8PadovaItaly INFN-Laboratori Nazionali di Legnaro Viale dell’Università2LegnaroItaly University of Naples Federico II Department of PhysicsComplesso Univ.di Monte S.AngeloEdificio GVia Cintia80126 NapoliItaly INFN-Sezione di Napoli-Complesso Univ.di Monte S.Angelo Edificio GVia Cintia80126 NapoliItaly CNR-SPIN Via Campi Flegrei3480078 PozzuoliNAItaly Task Force di Bioelettronica University of Naples Federico IINapoliItaly Department of Sciences Roma Tre UniversityVia della Vasca Navale 8400146 RomaItaly INFN Sezione di PadovaVia Marzolo 8PadovaItaly INFN Sezione di FirenzeVia G.Sansone 150019 Sesto FiorentinoFlorenceItaly Department of Physics University of TrentoVia Sommarive 1438123 TrentoPovoItaly INFN-TIFPA Via Sommarive 1438123 TrentoPovoItaly Department of Industrial Engineering University of TrentoVia Sommarive 938123 TrentoPovoItaly

A flexible,fully organic detector for proton beams is presented *** detector operates in the indirect mode and is composed of a polysiloxane-based scintillating layer coupled to an organic phototransistor,that is assessed for flexibility and low-voltage operation(V=−1 V),with a limit of detection of 0.026 Gy min^(−1).We present a kinetic model able to precisely reproduce the dynamic response of the device under irradiation and to provide further insight into the physical processes controlling *** detector is designed to target real-time and in-situ dose monitoring during proton therapy and demonstrates mechanical flexibility and low power operation,assessing its potential employment as a personal dosimeter with high comfort and low risk for the *** results show how such a proton detector represents a promising tool for real-time particle detection over a large area and irregular surfaces,suitable for many applications,from experimental scientific research to innovative theranostics.

关键词： fully limit insight

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Thermal Radiation Modelling in Tunnel Fires

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Advances in Applied Mathematics and Mechanics 2011年第3期3卷 327-353页

作者： paolo Ciambelli Maria Grazia meo Paola Russo Salvatore Vaccaro Department of Industrial Engineering University of Salernovia Ponte don Melillo 84084 Fisciano(SA)Italy

Modelling based on Computational Fluid Dynamics(CFD)is by now effectively used in fire research and hazard *** on the scenario,radiative heat transfer can play a very important role in enclosure combustion events such as tunnel *** this work,the importance of radiation and the effect of the use of different approaches to account for it were ***,small-scale tunnel fire simulations were performed and the results compared with experimental data,then realistic full-scale scenarios were *** results show up the capability of CFD modelling to reproduce with good approximation tunnel *** proved to be noteworthy mainly when the scale of the fire is relatively *** the various approaches employed to simulate radiation,the use of the discrete Transfer model gave the most accurate results,mainly when the absorption-emission characteristics of the combustion products were taken into ***,the suitability of the use of CFD in quantitative Fire Hazard Analysis is discussed.

关键词： CFD radiation modelling fire hazard analysis tunnel fires

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