Zobrazeno 1 - 10
of 69
pro vyhledávání: '"R. Lardat"'
Autor:
R. Lardat, Philippe Pernod, Edwin Hang Tong Teo, Dunlin Tan, Philippe Coquet, Olivier Bou-Matar, Zhi Lin Ngoh, Stefano Giordano, Pierre Guiraud
Publikováno v:
Carbon
Carbon, 2020, 169, pp.382-394. ⟨10.1016/j.carbon.2020.06.045⟩
Carbon, 2020, 169, pp.382-394. ⟨10.1016/j.carbon.2020.06.045⟩
In the past decade, a lot of research has been conducted on the potential of carbon nanostructured materials to emit sound via thermoacoustics through both simulations and experiments. However, experimental validation of simulations for three-dimensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3300af0e16bbb16cd7de4d926ba6f15a
https://doi.org/10.1016/j.carbon.2020.06.045
https://doi.org/10.1016/j.carbon.2020.06.045
Publikováno v:
Journal of Sound and Vibration
Journal of Sound and Vibration, Elsevier, 2019, 455, pp.275-298. ⟨10.1016/j.jsv.2019.05.001⟩
Journal of Sound and Vibration, 2019, 455, pp.275-298. ⟨10.1016/j.jsv.2019.05.001⟩
Journal of Sound and Vibration, Elsevier, 2019, 455, pp.275-298. ⟨10.1016/j.jsv.2019.05.001⟩
Journal of Sound and Vibration, 2019, 455, pp.275-298. ⟨10.1016/j.jsv.2019.05.001⟩
International audience; A general model for thermoacoustic sound generation, based on the classical conservation laws of mass, momentum and energy, is presented and adopted to analyze different thermophone structures. This model is able to describe a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46c5045e62deacb325df121f95cf489d
https://doi.org/10.1016/j.jsv.2019.05.001
https://doi.org/10.1016/j.jsv.2019.05.001
Publikováno v:
Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2021, 129 (11), pp.115103. ⟨10.1063/5.0039458⟩
Journal of Applied Physics, 2021, 129 (11), pp.115103. ⟨10.1063/5.0039458⟩
Journal of Applied Physics, American Institute of Physics, 2021, 129 (11), pp.115103. ⟨10.1063/5.0039458⟩
Journal of Applied Physics, 2021, 129 (11), pp.115103. ⟨10.1063/5.0039458⟩
International audience; A thermoacoustic sound generation model, based on the classical balance equations of the continuum mechanics, is here developed for the cylindrical and the spherical thermoacoustic wave generation. In both geometries, the mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f39257bf86144844a2b0d0c45db18dee
https://hal.archives-ouvertes.fr/hal-03236072/file/main.pdf
https://hal.archives-ouvertes.fr/hal-03236072/file/main.pdf
Publikováno v:
Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2019, 126 (16), pp.165111. ⟨10.1063/1.5121395⟩
Journal of Applied Physics, 2019, 126 (16), pp.165111. ⟨10.1063/1.5121395⟩
Journal of Applied Physics, American Institute of Physics, 2019, 126 (16), pp.165111. ⟨10.1063/1.5121395⟩
Journal of Applied Physics, 2019, 126 (16), pp.165111. ⟨10.1063/1.5121395⟩
International audience; The thermoacoustic sound generation offers a promising wideband alternative to mechanically driven loudspeakers. Over the past decade, the development of nanomaterials with new physico-chemical properties promoted a wide inter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac287d03c437b71fb46a319ca55f3ec5
https://hal.archives-ouvertes.fr/hal-02337957/file/Main.pdf
https://hal.archives-ouvertes.fr/hal-02337957/file/Main.pdf
Autor:
Alexandre Reinhardt, S. Camou, William Daniau, P. Ventura, R. Lardat, W. Steichen, Vincent Laude, Abdelaziz Soufyane, Marc Solal, T. Pastureaud, Sylvain Ballandras
Publikováno v:
Journal of Applied Physics. 96:7731-7741
The demand for high frequency surface acoustic wave devices for modern telecommunication applications imposes the development of devices able to answer the manufacturer requirements. The use of high velocity substrates for which a piezoelectric layer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e65f8f32bce4615778a702f6560b55df
https://doi.org/10.1063/1.1758317
https://doi.org/10.1063/1.1758317
Autor:
R. Lardat, Vincent Laude, Sylvain Ballandras, M. Wilm, W. Steichen, Abdelaziz Soufyane, Paul-Francis Edoa
Publikováno v:
Journal of Applied Physics. 93:702-711
The need for optimized acoustic transducers for the development of high-quality imaging probes requires efficient simulation tools providing reliable descriptions of the behavior of real devices. The purpose of this work is the implementation of a fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::685c0448e4d149e786cf58a93d5df380
https://doi.org/10.1063/1.1524711
https://doi.org/10.1063/1.1524711
Autor:
N. Champavert, Th. Pastureaud, R. Armati, Alexandre Reinhardt, William Daniau, M. Wilm, R. Lardat, Vincent Laude, Sylvain Ballandras, W. Steichen, Gilles Martin
Publikováno v:
Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2009, 105 (1), pp.014911. ⟨10.1063/1.3021307⟩
Journal of Applied Physics, 2009, 105 (1), pp.014911. ⟨10.1063/1.3021307⟩
Journal of Applied Physics, American Institute of Physics, 2009, 105 (1), pp.014911. ⟨10.1063/1.3021307⟩
Journal of Applied Physics, 2009, 105 (1), pp.014911. ⟨10.1063/1.3021307⟩
International audience; The development of new surface acoustic wave devices exhibiting complicated electrode patterns or layered excitation transducers has been favored by an intense innovative activity in this area. For instance, devices exhibiting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7729b9a0dcc77d3a90e5c792ca3ba521
https://hal.archives-ouvertes.fr/hal-00429462
https://hal.archives-ouvertes.fr/hal-00429462
Publikováno v:
IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 55(3)
In this work, the singular behavior of charges at corners and edges on the metallized areas in SAW transducers are investigated. In particular, it is demonstrated that a tensor product of the commonly used Tchebychev bases overestimates the singulari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::979ca2b16bdf8844c5e831d3accb0611
https://pubmed.ncbi.nlm.nih.gov/18407858
https://pubmed.ncbi.nlm.nih.gov/18407858
Publikováno v:
2007 IEEE Ultrasonics Symposium Proceedings.
We present a boundary element model for calculating the mechanical displacements and surface charge distribution for SAW IDTs assuming perfect flat conductors with null mass. For this, we take into account the full 3D piezoelectric surface Green's dy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::613e93612c7ebbd62f65b22bda148278
https://doi.org/10.1109/ultsym.2007.182
https://doi.org/10.1109/ultsym.2007.182
Autor:
William Daniau, Jean-Michel Friedt, R. Lardat, A. Laens, Jean Briot, S. Ballandras, Bernard Aspar, V. Laude, Marc Solal, W. Steichen, T. Pastureaud, Beatrice Biasse
Publikováno v:
IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 54(4)
The need for high-frequency, wide-band filters has instigated many developments based on combining thin piezoelectric films and high acoustic velocity materials (sapphire, diamond-like carbon, silicon, etc.) to ease the manufacture of devices operati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3686efaf017150d72ee93bab0fc23c80
https://pubmed.ncbi.nlm.nih.gov/17441597
https://pubmed.ncbi.nlm.nih.gov/17441597