Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Daniel Veira Canle"'
Autor:
Daniel Veira Canle, Joni Mäkinen, Richard Blomqvist, Maria Gritsevich, Ari Salmi, Edward Hæggström
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
Abstract The primary goal of this study is to localize a defect (cavity) in a curved geometry. Curved topologies exhibit multiple resonances and the presence of hotspots for acoustic waves. Launching acoustic waves along a specific direction e.g. by
Externí odkaz:
https://doaj.org/article/2f896e47cd3e4ec48d90af7cab4b486c
Publikováno v:
PLoS ONE, Vol 15, Iss 2, p e0227488 (2020)
People suffering from glaucoma often endure high intra-ocular pressure (IOP). Methods for determining IOP either contact the eye or are unpleasant to some patients. There is therefore a need for a rapid and patient friendly non-contacting method to d
Externí odkaz:
https://doaj.org/article/2526f875539247bb8e62eb3e952996a6
Autor:
Daniel Veira Canle, Ari Salmi, Henri Malinen, Antti Kontiola, Jesse Heikkila, Peetu Ihalainen, Edward Haggstrom
Publikováno v:
2019 IEEE International Ultrasonics Symposium (IUS).
Shock waves and vortices are two different ways of transferring acoustic energy to a sample in a contactless manner. This study aims at understanding the power ratio between shock waves and vortices as they exit a wave guide. Diverging tube ends incr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffde7374af319aacf20fed50421bfbda
https://doi.org/10.1109/ultsym.2019.8926306
https://doi.org/10.1109/ultsym.2019.8926306
Autor:
Joni Makinen, Antti Kuronen, Sami Franssila, Edward Hæggström, Tuukka Kekkonen, Heikki J. Nieminen, Daniel Veira Canle, Tuomas Puranen, Tapio Kotiaho, Ari Salmi
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-6 (2019)
Scientific Reports, Vol 9, Iss 1, Pp 1-6 (2019)
Studies in optics and acoustics have employed metamaterial lenses to achieve sub-wavelength localization, e.g. a recently introduced concept called ‘acoustojet’ which in simulations localizes acoustic energy to a spot smaller than λ/2. However p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::466f6e2fd895978bfe56cde65f1a5ba5
https://doi.org/10.1038/s41598-019-41335-6
https://doi.org/10.1038/s41598-019-41335-6
Ultrasonic NDT is a commonly used modality for ensuring structural integrity. When the geometry of the structure in question is complex, challenges arise, especially for structures that curve upon themselves, such as pipes and spheres. One challengin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65062ee59c7ce2dc1d218a05748560ac
http://hdl.handle.net/10138/337242
http://hdl.handle.net/10138/337242
Autor:
Peetu Ihalainen, Henri Malinen, Ari Salmi, Edward Haggstrom, Daniel Veira Canle, Jesse Heikkila, Antti Kontiola
High-voltage induced shock waves were created in different shaped spark chambers. The generated shock waves were imaged after they had traveled through a waveguide. Imaging was done by using a stroboscopic schlieren method to determine the speed of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40d6e1a59b3c4a00e7afb838a4834624
http://hdl.handle.net/10138/326117
http://hdl.handle.net/10138/326117
Autor:
Edward Haggstrom, Maria Gritsevich, Daniel Veira Canle, Petri Joonas Lassila, Ari Salmi, Joni Makinen
There is a need for contactless health evaluation of curved propellers ranging from servicing drones to wind power plants. Structures that close upon themselves feature multiple paths for acoustic waves to travel which causes interference and reduces
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::305ee9d4aaa47da2fd4a3546579a0e9f
http://hdl.handle.net/10138/337241
http://hdl.handle.net/10138/337241
Propeller inspection is mandatory for safe operation of aircraft. Damage evaluation on such rotating structures requires dedicated measurement techniques. In this study efforts to create a stroboscopic technique are reported. Lamb waves were excited
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfd2f75a9bc3c8a8ec953398f2cf5b61
http://hdl.handle.net/10138/307966
http://hdl.handle.net/10138/307966
Publikováno v:
2016 IEEE International Ultrasonics Symposium (IUS).
Rotor damage detection is crucial in order to ensure safe operation of aircraft. We present a technique that detects defects in rotating propellers. A pulsed Nd:YAG laser is scanned across an aluminum sample that rotates at 415 rpm to generate ultras
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7278356d578ed1e0eb9c9e5414bdd710
https://doi.org/10.1109/ultsym.2016.7728645
https://doi.org/10.1109/ultsym.2016.7728645
Autor:
Salmi, Ari1 (AUTHOR) ari.salmi@helsinki.fi, Nieminen, Heikki J.1 (AUTHOR), Veira Canle, Daniel1,2 (AUTHOR), Hæggström, Edward1 (AUTHOR), Kontiola, Antti2 (AUTHOR)
Publikováno v:
PLoS ONE. 2/3/2020, Vol. 15 Issue 2, p1-13. 13p.