Zobrazeno 1 - 10
of 33
pro vyhledávání: '"James Roscow"'
Publikováno v:
Advanced Sensor Research, Vol 3, Iss 7, Pp n/a-n/a (2024)
Abstract Hydraulic fluid power systems are essential for a range of engineering applications such as transportation, heavy industry, and robotics. The scale of the industry is such that hydraulic pumps are estimated to account for 15% of all the ener
Externí odkaz:
https://doaj.org/article/4a811d63ea414ebebeeceab2a0b5b4f0
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 5, Pp n/a-n/a (2024)
As a promising energy‐harvesting technique, an increasing number of researchers seek to exploit the piezoelectric effect to power electronic devices by harvesting the energy associated with water flow. In this emerging field, a variety of research
Externí odkaz:
https://doaj.org/article/a1ef92f0a928463f8b704a7147bb5982
Publikováno v:
Advances in Mechanical Engineering, Vol 16 (2024)
An outdoor experimental study investigated the cooling of photovoltaic (PV) panels using nano-fluids containing metallic (calcium carbonate, CaCO 3 ) and non-metallic (ferro-magnetite, Fe 3 O 4 ) particles. The study compared the solar power output a
Externí odkaz:
https://doaj.org/article/cd0b3750687946c990d0f86589cf8374
Autor:
Thomas E. Hooper, Hamideh Khanbareh, James Roscow, Andrew J. Bell, Anton Goetzee-Barral, Andrew Mathieson
Publikováno v:
Hooper, T E, Roscow, J, Mathieson, A, Khanbareh, H, Goetzee-Barral, A J & Bell, A J 2021, ' High voltage coefficient piezoelectric materials and their applications ', Journal of the European Ceramic Society, vol. 41, no. 13, pp. 6115-6129 . https://doi.org/10.1016/j.jeurceramsoc.2021.06.022
The piezoelectric dij coefficient is often regarded in materials science as the most important figure of merit of piezoelectric performance. For many applications, the piezoelectric gij coefficient which correlates to voltage output and sensitivity o
Publikováno v:
Roscow, J, Li, Y & Hall, D 2022, ' Residual stress and domain switching in freeze cast porous barium titanate ', Journal of the European Ceramic Society, vol. 42, no. 4, pp. 1434-1444 . https://doi.org/10.1016/j.jeurceramsoc.2021.11.046
Roscow, J I, Li, Y & Hall, D 2021, ' Residual stress and domain switching in freeze cast porous barium titanate ', Journal of the European Ceramic Society . https://doi.org/10.1016/j.jeurceramsoc.2021.11.046
Roscow, J I, Li, Y & Hall, D 2021, ' Residual stress and domain switching in freeze cast porous barium titanate ', Journal of the European Ceramic Society . https://doi.org/10.1016/j.jeurceramsoc.2021.11.046
Links between residual stress and domain switching in porous barium titanate ceramics were investigated using synchrotron X-ray diffraction as a function of an applied electric field. Barium titanate with highly aligned pores (with pore fraction = 0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0dd10588ccc191e6d8c4866d5627e18
https://purehost.bath.ac.uk/ws/files/227285646/Accepted_manuscript_1_.pdf
https://purehost.bath.ac.uk/ws/files/227285646/Accepted_manuscript_1_.pdf
Autor:
Dou Zhang, Christopher R. Bowen, Eleanor Roake, Baiyun Huang, Kechao Zhou, James Roscow, Yinxiang Bao, Yan Zhang, M. A. Hopkins
Publikováno v:
Bao, Y, Huang, B, Zhou, K, Roscow, J, Roake, E, Hopkins, M, Zhang, D, Zhang, Y & Bowen, C 2021, ' Hierarchically structured lead-free barium strontium titanate for low-grade thermal energy harvesting ', Ceramics International, vol. 47, no. 13, pp. 18761-18772 . https://doi.org/10.1016/j.ceramint.2021.03.211
Low-grade heat conversion is one of the most promising strategies to realise carbon-neutral electricity production. Here we present a study on a hierarchically structured porous pyroelectric barium strontium titanate (BST) ceramic with a low Curie te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f9b4b7ced6ee9c458387156a1967d68
https://purehost.bath.ac.uk/ws/files/219377648/Manuscript_revised.docx
https://purehost.bath.ac.uk/ws/files/219377648/Manuscript_revised.docx
Autor:
Christopher R. Bowen, James Roscow, Michael I. Friswell, Hamed Haddad Khodaparast, Germán Martínez-Ayuso
Publikováno v:
Martínez-Ayuso, G, Friswell, M I, Haddad Khodaparast, H, Roscow, J I & Bowen, C R 2019, ' Electric field distribution in porous piezoelectric materials during polarization ', Acta Materialia, vol. 173, pp. 332-341 . https://doi.org/10.1016/j.actamat.2019.04.021
High piezoelectric coupling coefficients enable the harvesting of more energy or increase the sensitivity of sensors which work using the principle of piezoelectricity. These coefficients depend on the material properties, but the manufacturing proce
Publikováno v:
Zhang, Y, Xie, M, Roscow, J & Bowen, C 2019, ' Dielectric and piezoelectric properties of porous lead-free 0.5Ba(Ca 0.8 Zr 0.2 )O 3-0.5(Ba 0.7 Ca 0.3 )TiO 3 ceramics ', Materials Research Bulletin, vol. 112, pp. 426-431 . https://doi.org/10.1016/j.materresbull.2018.08.031
Porous barium calcium zirconate titanate 0.5Ba(Ca0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3 (BCZT) lead-free ferroelectric ceramics were fabricated via a burnt polymer spheres (BURPS) technique by introducing corn starch as the pore-forming agent. The effect of
Autor:
Sundaram Chandrasekaran, Eui Jung Kim, Jin Suk Chung, Seung Hyun Hur, Dinh Khoi Dang, Christopher R. Bowen, Libo Deng, Yan Zhang, James Roscow, Raja Devesh Kumar Misra
Publikováno v:
Chandrasekaran, S, Bowen, C, Roscow, J, Zhang, Y, Dang, D K, Kim, E J, Misra, R D K, Deng, L, Chung, J S & Hur, S H 2019, ' Micro-scale to nano-scale generators for energy harvesting : Self powered piezoelectric, triboelectric and hybrid devices ', Physics Reports, vol. 792, pp. 1-33 . https://doi.org/10.1016/j.physrep.2018.11.001
This comprehensive review focuses on recent advances in energy harvesting of micro-scale and nano-scale generators based on piezoelectric and triboelectric effects. The development of flexible and hybrid devices for a variety of energy harvesting app
Publikováno v:
iScience, Vol 24, Iss 1, Pp 101987-(2021)
iScience
iScience
Summary Wearable electronics are becoming increasingly important for medical applications as they have revolutionized the way physiological parameters are monitored. Ferroelectric materials show spontaneous polarization below the Curie temperature, w