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Mostrando ítems 1-5 de 5

Evaluation of the acid pretreatment of agroindustrial waste assisted by high-intensity ultrasound for further bioethanol production

Carregari Polachini, Tiago (Universitat Politècnica de València, 2019-10-21)

[ES] El pre-tratamiento de los residuos de la agroindustria es una de las etapas más complejas del proceso de conversión de biomasa en bioetanol. Esta etapa consiste basicamente en aplicar tratamientos físicos o químicos ...
Experimental realization of broadband tunable resonators based on anisotropic metafluids

Spiousas, Ignacio; Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics, 2011-06-13)

This letter demonstrates the mechanical tuning of modes confined in two-dimensional acoustic cavities based on anisotropic metafluids. The employed metafluids have been designed with effective parameters such that the ...
Implementation and evaluation of a diffusion equation model based on finite difference schemes for sound field prediction in rooms

Navarro Ruiz, Juan Miguel; Escolano Carrasco, José; López Monfort, José Javier (Elsevier, 2012-06)

In this paper, the use of finite difference schemes for the acoustic diffusion equation model is introduced. Their features and limitations are analysed to select the adequate scheme based on both the stability conditions ...
Modelizando el campo acústico generado por superficies vibrantes

Andrés, Diana; Camarena Femenia, Francisco; Jiménez, Noé (Universitat Politècnica de València, 2022-07-29)

[EN] When a surface vibrates compressing the medium on its front, it generates acoustic waves. This is the case of loudspeakers, which generate acoustic waves at audible frequencies by means of a moving surface. In this ...
Time-Domain Simulation of Ultrasound Propagation in a Tissue-Like Medium Based on the Resolution of the Nonlinear Acoustic Constitutive Relations

Jimenez, Noe; Camarena Femenia, Francisco; Redondo, Javier; Sánchez Morcillo, Víctor José; Hou, Yi; Konofagou, Elisa E. (Hirzel Verlag (S. Hirzel Verlag)European Acoustics Association (EAA), 2016-09)

A time-domain numerical code based on the constitutive relations of nonlinear acoustics for simulating ultrasound propagation is presented. To model frequency power law attenuation, such as observed in biological media, ...

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Listar por palabra clave "Acoustic fields"

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