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Browsing by Subject "High pressure"

Now showing items 1-20 of 47

Analytical / Computational Approach to Liquid Spray Heating and Vaporization at Supercritical Pressures

Jorda Juanos, Albert; Sirignano, William (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] Our findings from two areas of background research will define an approach to the study of liquid spray heating and vaporization in gases at supercritical pressure: (i) vaporizing droplets at supercritical pressure ...
Análisis de diferentes instalaciones para la extinción, por parte de los Servicios de Bomberos, de incendios de interior utilizando bombas de alta y baja presión

Alonso Herrerías, Manuel (Universitat Politècnica de València, 2015-12-15)

[ES] En los cuerpos de bomberos existe actualmente una polémica real sobre la valoración del caudal de agua necesario para la extinción de incendios de interior. La definición de dicho caudal así como el modo de trabajo ...
Arsenolite: a quasi-hydrostatic solid pressure transmitting medium

Sans-Tresserras, Juan Ángel; Manjón, F. J.; Popescu, C.; Muñoz, A.; Rodríguez-Hernández, P.; Jordá, J. L.; Rey Garcia, Fernando (IOP Publishing, 2016-11-30)

This study reports the experimental characterization of the hydrostatic properties of arsenolite (As4O6), a molecular solid which is one of the softest minerals in the absence of hydrogen bonding. The high compressibility ...
Band-Gap Energy and Electronic d-d Transitions of NiWO4 Studied under High-Pressure Conditions

Errandonea, Daniel; Rodriguéz, Fernando; Vilaplana Cerda, Rosario Isabel; Vie Giner, David; Garg, Siddhi; Nayak, Bishnupriya; Garg, Nandini; Singh, Jaspreet; Kanchana, Venkatakrishnan; Vaitheeswaran, Ganapathy (American Chemical Society, 2023-07-26)

[EN] We report an extensivestudy of the optical and structural propertiesof NiWO4 combining experiments and density functional theorycalculations. We have obtained accurate information on the pressureeffect on the crystal ...
Caracterización estructural y vibracional del compuesto In2Se3 y sus aplicaciones

Gallego Parra, Samuel (Universitat Politècnica de València, 2017-12-27)

In this project, a structural and vibrational characterization under high-pressure of the In2Se3 compound will be carried out using the techniques of X-ray diffraction and Raman spectroscopy, respectively. It will be ...
Characterization of a medium size Xe/TMA TPC instrumented with microbulk Micromegas, using low-energy gamma-rays

Álvarez, V.; Borges, F.I.G.M.; Cárcel, S.; Castel, J.; Cebrián, S.; Cervera, A.; Conde, C.A.N.; Dafni, T.; Dias, T.H.V.T.; Díaz, J.; Egorov, M.; Esteve Bosch, Raul; Evtoukhovitch, P.; Fernandes, L.M.P.; Ferrario, P.; Ferreira, A.L.; Freitas, E.D.C.; Gehman, V.M.; Gil, A.; Goldschmidt, A.; Gómez, H.; Gómez-Cadenas, J.J.; González-Díaz, D.; Gutiérrez, R.M.; Hauptman, J.; Hernando Morata, J.A.; Herrera, D.C.; Iguaz, F.J.; Irastorza, I.G.; Jinete, M.A.; Labarga, L.; Laing, A.; Liubarsky, I.; Lopes, J.A.M.; Lorca, D.; Losada, M.; Luzón, G.; Marí Romero, Antonio Francisco; Martín-Albo, J.; Martínez, A.; Martínez-Lema, G.; Miller, T.; Moiseenko, A.; Monrabal, F.; Monteiro C.M.B.; Mora Mas, Francisco José; Moutinho, L.M.; Muñoz Vidal, J.; Natal da Luz, H.; Navarro, G.; Nebot-Guinot, D.; Nygren, D.; Oliveira, C.A.B.; Palma, R.; Pérez, J.; Pérez Aparicio, José Luis; Renner, J.; Ripoll, L.; Rodríguez, A.; Rodríguez, J.; Santos, F.P.; dos Santos, J.M.F.; Segui, L.; Serra, L.; Shuman, D.; Simón, A.; Sofka, C.; Sorel, M.; Toledo Alarcón, José Francisco; Tomás, A.; Torrent, J.; Tsamalaidze, Z.; Vázquez, D.; Veloso, J.F.C.A.; Villar, J.A.; Webb, R.C.; White, J.T.; Yahlali, N.; Aznar, F.; Calvet, D.; Druillole, F.; Ferrer-Ribas, E.; García, J.A.; Giomataris, I.; Gracia, J.; Le Coguie, A.; Mols, J.P.; Pons, P.; Ruiz, E. (IOP Publishing, 2014-04)

[EN] NEXT-MM is a general-purpose high pressure (10 bar, ∼25 l active volume) Xenon- based TPC, read out in charge mode with an 0.8 cm×0.8 cm-segmented 700 cm2 plane (1152 ch) of the latest microbulk-Micromegas ...
Combined Experimental and Theoretical Studies: Lattice-Dynamical Studies at High Pressures with the Help of Ab Initio Calculations

Manjón, Francisco-Javier; Sans-Tresserras, Juan Ángel; Rodríguez-Hernández, Placida; Muñoz, Alfonso (MDPI AG, 2021-11)

[EN] Lattice dynamics studies are important for the proper characterization of materials, since these studies provide information on the structure and chemistry of materials via their vibrational properties. These studies ...
Construction and optimization of a system to measure electrostatic effects generated after spraying water at high pressure

Ferriz González, José (Universitat Politècnica de València, 2021-06-11)

[ES] Este trabajo final de grado se realiza en el Physikalisch-Technische Bundesanstalt (Braunschweig, Alemania) dentro del proyecto "Carga durante la pulverización de fluidos - Investigación de los procesos relevantes en ...
Crystal structure of HgGa2Se4 under compression

Gomis Hilario, Oscar; Vilaplana Cerda, Rosario Isabel; Manjón, F.J.; Santamaría Pérez, David; Errandonea, Daniel; Pérez González, Eduardo; López Solano, Javier; Rodríguez Hernández, Plácida; Muñoz, Alfonso; Tiginyanu, Ion Mijail; Ursaki, Veaceslav Vladimir (Elsevier, 2013)

We report on high-pressure x-ray diffraction measurements up to 17.2 GPa in mercury digallium selenide (HgGa2Se4). The equation of state and the axial compressibilities for the low-pressure tetragonal phase have been ...
Efecto de la aplicación de altas presiones y almacenamiento en refrigeración sobre el perfil de compuestos volátiles en jamón ibérico

Martínez Onandi, Nerea (Universitat Politècnica de València, 2013-04-16)

[ES] Se estudió el efecto del tratamiento de altas presiones (600 MPa, 6 min), y del almacenamiento a 4ºC durante 5 meses sobre la fracción volátil del jamón Ibérico con distintos contenidos de grasa y sal mediante ...
Effects of low pressure exhaust gas recirculation on regulated and unregulated gaseous emissions during NEDC in a light-duty diesel engine

Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio (Elsevier, 2011-09)

Regulated and unregulated gaseous emissions with high pressure and low pressure EGR (exhaust gas recirculation) system were tested in a 4-cylinder, light-duty diesel EURO IV engine typically used in European vehicles. Four ...
Elastic and thermodynamic properties of alpha-Bi2O3 at high pressures: Study of mechanical and dynamical stability

Gomis, O.; Manjón, Francisco-Javier; Rodríguez-Hernández, Plácida; MUÑOZ, ALFONSO (Elsevier, 2019-01)

[EN] The elastic and thermodynamic properties of the monoclinic polymorph of bismuth oxide (alpha-Bi2O3); aka mineral bismite, have been theoretically investigated both at room pressure and under hydrostatic compression ...
Espectroscopia Raman del compuesto Bi2O2Se bajo altas presiones

Escrig Villalonga, Marc (Universitat Politècnica de València, 2020-10-16)

[ES] El presente TFM tiene por objetivo la medición y análisis del espectro Raman del compuesto Bi2O2Se, con interesantes propiedades termoeléctricas, en condiciones de alta presión. Por tanto, el trabajo del alumno ...
Estudio de polimorfismo en materiales moleculares capaces de atrapar gases nobles

Ilyin, Dmytro (Universitat Politècnica de València, 2019-11-22)

[ES] En esta memoria se detalla el estudio de la claudetita mediante espectroscopía Raman a altas presiones, que ha sido realizado en el Laboratorio de Optoelectrónica y Semiconductores del departamento de Física Aplicada ...
Evaluation of Natural Rubber Specific Heat Capacity at High Pressures from DSC Experimental Data at Atmospheric Pressure

Ortiz Serna, Mª Pilar; Díaz Calleja, Ricardo; Sanchis Sánchez, María Jesús (John Wiley & Sons, 2012)

[EN] The natural rubber specific heat capacity dependence on pressure was estimated on thermodynamic grounds on the basis of the values empirically determined from differential scanning calorimetry data, (in the temperature ...
Experimental and theoretical study of α–Eu2(MoO4)3 under compression

Guzmán-Afonso, C.; León-Luis, S.F.; Sans-Tresserras, Juan Ángel; González -Silgo, C.; Rodríguez-Hernández, Plácida; Radescu, S.; Muñoz, A.; López-Solano, J.; Errandonea, D.; Manjón, F.J.; Rodríguez-Mendoza, U.R.; Lavín, V. (IOP Publishing, 2015-11-25)

The compression process in the α-phase of europium trimolybdate was revised employing several experimental techniques. X-ray diffraction (using synchrotron and laboratory radiation sources), Raman scattering and ...
Front-end electronics for accurate energy measurement of double beta decays

Gil, A.; Diaz, J.; Gómez-Cadenas, J.J.; Herrero Bosch, Vicente; Rodriguez, J.; Serra, L.; Toledo Alarcón, José Francisco; Esteve Bosch, Raul; Monzó Ferrer, José María; Monrabal, F.; Yahlali, N. (Elsevier, 2012-12-11)

NEXT, a double beta decay experiment that will operate in Canfranc Underground Laboratory (Spain), aims at measuring the neutrinoless double-ß decay of the 136Xe isotope using a TPC filled with enriched Xenon gas at high ...
HgGa2Se4 under high pressure: an optical absorption study

Gomis, O.; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Ruiz-Fuertes, Javier; Pérez-González, E.; López-Solano, J.; Bandiello, E.; Errandonea, Daniel; Segura, Alfredo; Rodríguez-Hernández, Placida; Muñoz, A.; Ursaki, Veacheslav; Tiginyanu, Ivan M. (Wiley, 2015-09)

High-pressure optical absorption measurements have been performed in defect chalcopyrite HgGa2Se4 to investigate the influence of pressure on the bandgap energy and its relation with the pressure-induced order-disorder ...
High pressure phase transitions in NdVO4

Panchal, V.; Errandonea, Daniel; Manjón Herrera, Francisco Javier; Muñoz, Alfonso; Rodríguez Hernández, Plácida; Bettinelli, Marco; Achary, S.N.; Tyagi, A.K. (AIP Publishing, 2015)

Raman-scattering measurements on NdVO4 suggest a pressure-induced zircon to monazite phase transition beyond 5.9 GPa. The monazite phase undergoes a second phase transition to a yet unknown phase at 18.1 GPa. Lattice-dynamics ...
High-pressure lattice-dynamics of NdVO4

Panchal, V.; Errandonea, D.; Manjón, F. J.; Muñoz, A.; Rodríguez-Hernández, P.; Achary, S.N.; Tyagi, A.K. (Elsevier, 2017-01)

High-pressure Raman-scattering measurements and ab initio calculations on NdVO4 have been carried out up to 30 GPa. Our combined experimental and theoretical study confirms that beyond 5.9 GPa NdVO4 undergoes an irreversible ...