[HTML][HTML] The challenge of distinguishing mechanical, electrical and piezoelectric losses
M Wild, M Bring, E Halvorsen, L Hoff… - The Journal of the …, 2018 - pubs.aip.org
Understanding the energy loss in piezoelectric materials is of significant importance for
manufacturers of acoustic transducers. The contributions to the power dissipation due to …
manufacturers of acoustic transducers. The contributions to the power dissipation due to …
Power density of piezoelectric transformers improved using a contact heat transfer structure
Based on contact heat transfer, a novel method to increase power density of piezoelectric
transformers is proposed. A heat transfer structure is realized by directly attaching a …
transformers is proposed. A heat transfer structure is realized by directly attaching a …
Design and fabrication of highly thermally conductive 1-1-3 piezoelectric composites
Z Liu, Z Zhang, L Qin - Heliyon, 2024 - cell.com
3 piezoelectric composites have been widely used in transmitting transducers, medical
devices, navigation, aerospace, etc. However, due to poor thermal conduction of inside …
devices, navigation, aerospace, etc. However, due to poor thermal conduction of inside …
Heat generation in 1–3 piezoceramic—polymer composites
R Ramesh, RK Kumar, TKV Kumar - Journal of Electroceramics, 2013 - Springer
This paper describes the mechanism of heat generation in lossy 1–3 piezoceramic-polymer
composite active layer of ultrasonic transducers excited at different voltages at resonance …
composite active layer of ultrasonic transducers excited at different voltages at resonance …
Minimizing heat generation in a piezoelectric Langevin transducer
P Vasiljev, D Mazeika… - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
High power Langevin piezoelectric transducers have large dielectric and piezoelectric
losses. Most of these losses are converted into accumulating internal heat that increases the …
losses. Most of these losses are converted into accumulating internal heat that increases the …
Study of a piezoelectric transformer-based DC/DC converter with a cooling system and current-doubler rectifier
The objective of this study was to increase the output current and power in a piezoelectric
transformer (PT)-based DC/DC converter by using a cooling system. It is known that the …
transformer (PT)-based DC/DC converter by using a cooling system. It is known that the …
Long term thermal drift study on SPM scanners
Scanning Probe Microscopy (SPM) imaging process is inherently slow, and commonly
suffers from instrumental drift. According to experience, drift is a time dependent …
suffers from instrumental drift. According to experience, drift is a time dependent …
石墨纸对带散热装置压电变压器磨损改善研究.
张萌, 邵维维, 苗源民, 李培洋… - Piezoelectrics & …, 2017 - search.ebscohost.com
(1. 中国科学院苏州生物医学工程技术研究所, 江苏苏州215163; 2. 中国科学院大学,
北京100049) 摘要: 压电变压器的散热问题限制了其在高功率场合的应用 …
北京100049) 摘要: 压电变压器的散热问题限制了其在高功率场合的应用 …
[PDF][PDF] Power enhancement of piezoelectric transformer by adding thermal dissipation layers
Considering the case of large current (> 1A), the piezoelectric transformer (PT) easily
becomes unstable or even crack with temperature rise because of the excessive internal …
becomes unstable or even crack with temperature rise because of the excessive internal …
Power Enhancement of Piezoelectric Technology based Power Devices by Using Heat Transfer Technology
YH Su - 2014 - theses.hal.science
The objective of this study was to increase the output current and power in a piezoelectric
transformer (PT) based DC/DC converter by adding a cooling system. It is known that the …
transformer (PT) based DC/DC converter by adding a cooling system. It is known that the …