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1 to 10 of 38 Results
Elastic Wave Analyzer for Icy Sub-Surfaces (EWAIS) In the Solar System
Apr 19, 2021
Bar-Cohen, Y.; Lee, H. J.; Badescu, M.; Sherrit, S.; Bao, X.; Metz, B. C; Lih, S-S.; Vance, S.; Panning, M. P; Hand, K. P, 2021, "Elastic Wave Analyzer for Icy Sub-Surfaces (EWAIS) In the Solar System", https://hdl.handle.net/2014/54597, Earth and Space Conference, Pasadena, California, April 19-23, 2021, JPL Open Repository
No abstract provided
Elastic wave analyzer for icy sub-surfaces (EWAIS) in the solar system
Apr 21, 2020
Bar-Cohen, Y.; Lee, H. J.; Badescu, M.; Sherrit, S.; Bao, X.; Metz, B. C; Lih, S-S.; Vance, S.; Panning, M. P; Hand, K. P, 2020, "Elastic wave analyzer for icy sub-surfaces (EWAIS) in the solar system", https://hdl.handle.net/2014/52291, Earth & Space 2020 Conference , Seattle, Washington, April 20-23, 2020, JPL Open Repository
The sub-surface structures of water-bearing icy worlds (e.g., Europa, Enceladus, and Titan) and the structures of icy regions on Mars contain critical information about their origin and evolution. These bodies have been identified as high-priority targets in the NRC Planetary Sci...
Deep drilling using the biologically inspired Auto-Gopher
Jun 5, 2016
Bar-Cohen, Y.; Badescu, M.; Lee, H.J.; Sherrit, S.; Bao, X.; Freeman, D.; Zacny, K.; Paulsen, G.L.; Beegle, L., 2016, "Deep drilling using the biologically inspired Auto-Gopher", https://hdl.handle.net/2014/46636, CIMTEC 2016 - 7th Forum on New Materials, Perugia, Italy, June 5-9, 2016, JPL Open Repository
No abstract provided
Extended life PZT stack test fixture
Feb 7, 2009
Badescu, Mircea; Sherrit, S.; Bao, X.; Aldrich, J.; Bar-Cohen, Y.; Jones, C., 2009, "Extended life PZT stack test fixture", https://hdl.handle.net/2014/41632, Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, San Diego, CA, 2008, JPL Open Repository
Piezoelectric stacks are being sought to be used as actuators for precision positioning and deployment of mechanisms in future planetary missions. Beside the requirement for very high operation reliability, these actuators are required for operation at space environments that are...
Solid Micro Horn Array (SMIHA) for acoustic matching
Mar 9, 2008
Sherrit, S.; Bao, X.; Bar-Cohen, Y., 2008, "Solid Micro Horn Array (SMIHA) for acoustic matching", https://hdl.handle.net/2014/44816, 2008 SPIE Conference on Smart Structures and Materials, San Diego, California, March 9-13, 2008, JPL Open Repository
Transduction of electrical signals to mechanical signals and vice-versa in piezoelectric materials is controlled by the material coupling coefficient. In general in a loss-less material the ratio of energy conversion per cycle is proportional to the square of the coupling coeffic...
1KW power transmission using Wireless Acoustic-Electric Feed-through (WAEF)
Mar 3, 2008
Sherrit, S.; Bao, X.; Badescu, M.; Aldrich, J.; Bar-Cohen, Y.; Biederman, W., 2008, "1KW power transmission using Wireless Acoustic-Electric Feed-through (WAEF)", https://hdl.handle.net/2014/41735, ASCE American Society of Civil Engineers, Earth and Space 2008, Long Beach, California, March 03, 2008., JPL Open Repository
A variety of space applications require the delivery of power into sealed structures. Since the structural integrity can be degraded by holes for cabling we present an alternative method of delivering power and information using stress waves to the internal space of a sealed stru...
Novel horn designs for power ultrasonics
Aug 24, 2004
Sherrit, Stewart; Badescu, M.; Bao, X.; Bar-Cohen, Y.; Chang, Z., 2004, "Novel horn designs for power ultrasonics", https://hdl.handle.net/2014/41503, IEEE Symposium on Ultrasounics, Montreal, Canada, August 24-27, 2004., JPL Open Repository
Ultrasonic horns are used in a variety of industrial and medical applications. At JPL a rock-sampling tool based on an ultrasonic horn was developed to drill, abrade and core rock samples including hard basalts. This device is an impact device, which uses ultrasonic vjbratlons th...
Resonance analysis of high temperature piezoelectric materials for actuation and sensing
Mar 15, 2004
Sherrit, S.; Bao, X.; Bar-Cohen, Y.; Chang, Z., 2004, "Resonance analysis of high temperature piezoelectric materials for actuation and sensing", https://hdl.handle.net/2014/7872, ["SPIE's Smart Structures and Materials Conference", 'San Diego, CA, USA'], JPL Open Repository
No abstract provided
Design and analysis of ultrasonic horn for USDC (Ultrasonic/Sonic Driller/Corer)
Mar 15, 2004
Chang, Z.; Sherrit, S.; Bao, X.; Bar-Cohen, Y., 2004, "Design and analysis of ultrasonic horn for USDC (Ultrasonic/Sonic Driller/Corer)", https://hdl.handle.net/2014/7864, ["SPIE's Electroactive Polymer Actuators and Devices (EAPAD) Conference", 'San Diego, CA, USA'], JPL Open Repository
No abstract provided
Characterization of bending EAP beams
Mar 15, 2004
Bao, X.; Bar-Cohen, Y.; Chang, Z.; Sherrit, S., 2004, "Characterization of bending EAP beams", https://hdl.handle.net/2014/7861, ["SPIE's Electroactive Polymer Actuators and Devices (EAPAD) Conference", 'San Diego, CA, USA'], JPL Open Repository
No abstract provided
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