Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Ata Meshkinzar"'
Autor:
Ata Meshkinzar, Ahmed M. Al-Jumaily
Publikováno v:
Sensors, Vol 23, Iss 6, p 3042 (2023)
Piezoelectric transducers have numerous applications in a wide range of sensing and actuation applications. Such a variety has resulted in continuous research into the design and development of these transducers, including but not limited to their ge
Externí odkaz:
https://doaj.org/article/f3421090c2a3487380fdce9dd635615a
Publikováno v:
Food Engineering Reviews. 15:215-229
Separation of two fluids or particles from an emulsion is a fundamental process in many applications such as creaming of milk in dairy sector and extraction of various oils (avocado oil, palm oil, etc.) among many others. The aim of this paper is to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8342d2d8de1b5bb1dd0bc9e274d301f1
https://doi.org/10.1007/s12393-023-09336-4
https://doi.org/10.1007/s12393-023-09336-4
Autor:
Ahmed M. Al-Jumaily, Ata Meshkinzar
Publikováno v:
Vibroengineering PROCEDIA. 24:1-5
In this work, thickness variations are introduced around the circumference of a piezoelectric cylindrical shell. The aim is to investigate the vibration characteristics of the shells and the effect of these step-thickness variations on the mode shape
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18a2b2b8509ce82a57762ab00c82f038
https://doi.org/10.21595/vp.2019.20737
https://doi.org/10.21595/vp.2019.20737
Publikováno v:
Journal of Sound and Vibration. 437:110-118
This paper presents a new approach to amplify the acoustic field generated by a uniform thickness piezoelectric cylindrical shell by introducing a stepped thickness variation at predetermined axial locations. The acoustic field and corresponding mode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67ea5cd0312c914475a3e6cdbe2cb53d
https://doi.org/10.1016/j.jsv.2018.08.033
https://doi.org/10.1016/j.jsv.2018.08.033
Publikováno v:
Journal of Materials Science. 54:2170-2180
In recent years, the increasing demand for flexible and wearable devices requires the synthesis of novel stretchable and piezoresistive materials. Piezoresistive polymer composites are popular due to their excellent piezoresistivity and high stretcha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4958828c6651c9c36d6e55c5edd18c6
https://doi.org/10.1007/s10853-018-2954-4
https://doi.org/10.1007/s10853-018-2954-4
Autor:
Ahmed M. Al-Jumaily, Ata Meshkinzar
Publikováno v:
Journal of Sound and Vibration. 511:116346
Circular cylindrical transducers have a wide range of applications in ultrasound generation. Introducing axial or circumferential stepped-thickness variations affects the performance of these transducers. This paper investigates the effect of circumf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7ac78f9491496768b6c53af017cdfe1
https://doi.org/10.1016/j.jsv.2021.116346
https://doi.org/10.1016/j.jsv.2021.116346
Publikováno v:
Thin-Walled Structures. 110:97-105
In this work, the energy absorption and collapse mode of circumferentially grooved thick-walled tubes are scrutinized analytically and experimentally under dynamic loading condition. Circumferential grooves are machined around thick-walled tubes and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf998db11fba8ee165965bad317838b1
https://doi.org/10.1016/j.tws.2016.09.002
https://doi.org/10.1016/j.tws.2016.09.002
Publikováno v:
Journal of biomaterials science. Polymer edition. 30(13)
With the rapid development of wearable devices in recent years, stretchable strain sensors based on electrically conductive composites have attracted a great deal of attention owing to their good stretchability and piezoresistivity. However, due to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29bbf58e4f1bd517ccc77b79bc254fe3
https://pubmed.ncbi.nlm.nih.gov/31154936
https://pubmed.ncbi.nlm.nih.gov/31154936
Publikováno v:
Sensors and Actuators A: Physical. 302:111819
Using stepped-thickness variations, this work aims at amplifying the strength of the focused acoustic field generated inside a hollow piezoelectric cylindrical tube transducer without increasing the driving power. This requires a full understanding o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eee8adb6d581bdb04ab3f50e3f5681f
https://doi.org/10.1016/j.sna.2019.111819
https://doi.org/10.1016/j.sna.2019.111819
Autor:
Ata Meshkinzar, Ahmed M. Al-Jumaily
Publikováno v:
Journal of Aerosol Science. 139:105466
This work investigates the effect of focused acoustic field on a stream of polydisperse micro water droplets generated by a nebulizer. The acoustic field is induced by a customized axially stepped-thickness piezoelectric circular cylindrical transduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1df1a29b39a87761150571d849daa305
https://doi.org/10.1016/j.jaerosci.2019.105466
https://doi.org/10.1016/j.jaerosci.2019.105466