1 to 10 of 141 Results
Aug 26, 2021
Bar-Cohen, Yoseph, 2021, "Humanlike Robots as Artificial Inspectors: The Science Fiction and Engineering Reality", https://hdl.handle.net/2014/55662, American Society for NDT (ASNT), Southern African Section - Monthly Seminar, Pasadena, California, August 26, 2021, JPL Open Repository
No abstract provided |
Apr 19, 2021
Bao, Xiaoqi; Bar-Cohen, Yoseph; Badescu, Mircea; Lee, Hyeong Jae; Lih, Shyh-Shiuh; Sherrit, Stewart, 2021, "Acoustic Communication in Ice Crust for Ocean Accessing Probes", https://hdl.handle.net/2014/54751, ASCE 2021 Earth and Space Conference 2021, Reston, Virginia, April 19-23, 2021, JPL Open Repository
No abstract provided |
Mar 22, 2021
Sherrit, Stewart; Bao, Xiaoqi; Lee, Hyeong Jae; Badescu, Mircea; Bar-Cohen, Yoseph; Malaska, Mike, 2021, "Acoustic Sensor Network for Planetary Exploration", https://hdl.handle.net/2014/54435, SPIE Smart Structures + Nondestructive Evaluation 2021, Long Beach, California, March 22-26, 2021, JPL Open Repository
This paper investigates the concept of an acoustic sensor network that can monitor a variety of geophysical processes occurring on other planetary bodies. In many cases sound is naturally omnidirectional and travels at known speeds which depend on the composition and density of t... |
Mar 22, 2021
Bar-Cohen, Yoseph; Badescu, Mircea; Lee, Hyeong Jae; Sherrit, Stewart; Bao, Xiaoqi; Shirajian, Nareg, 2021, "Sample Return Containerization and Planetary Protection Using Brazing for Breaking the Chain of Contact to Mars", https://hdl.handle.net/2014/54429, SPIE Smart Structures + Nondestructive Evaluation 2021, Long Beach, California, March 22-26, 2021, JPL Open Repository
Planetary protection of Mars samples returned to Earth in a future NASA mission is a critical part of preventing uncontrolled biological materials being released from the samples. The planetary protection process requires addressing the potential risks and would involve “breaking... |
Mar 22, 2021
Bar-Cohen, Yoseph; Bao, Xiaoqi; Lee, Hyeong Jae; Hockman, Benjamin; Badescu, Mircea; Sherrit, Stewart; Lih, Shyh-Shiuh, 2021, "Acoustic Communication in Deep Ice at Ocean Worlds", https://hdl.handle.net/2014/54427, SPIE Smart Structures + Nondestructive Evaluation 2021, Long Beach, California, March 22-26, 2021, JPL Open Repository
One of NASA priorities is the in-situ exploration of ocean worlds in the solar system where potentially there might be life under the ice shell. This requires reaching the ocean below extremely cold through significant deep ice. Jupiter’s moon, Europa, is such a challenging body,... |
Apr 27, 2020
Lee, Hyeong Jae; Bar-Cohen, Yoseph; Badescu, Mircea; Sherrit, Stewart; Bao, Xiaoqi; Heness, Maikel, 2020, "Elastic wave analyzer for icy sub-surfaces (EWAIS) in water-bearing worlds", https://hdl.handle.net/2014/52324, Smart Structures Symposium, Anaheim, California, April 27-30, 2020, JPL Open Repository
In this paper, we discuss the current status of the development of an elastic wave analyzer for icy sub-surface (EWAIS). We begin with an introductory overview of the necessity to develop an active elastic wave transmitter that will enable reaching distances of kilometer thru ice... |
Apr 27, 2020
Bar-Cohen, Yoseph, 2020, "EAP from 1999 to 2020: highlights from chairing the EAPAD conference for 22 years", https://hdl.handle.net/2014/52333, SPIE Smart Structures and NDE Symposia, EAPAD Conf, Anaheim, California, April 27-30, 2020, JPL Open Repository
The acronym, EAP (Electroactive polymers), and the synonymous term, artificial muscles, are now well recognized among scientists and engineers worldwide. Prior to 1999, development of such materials has been done at few research institutes in the US, Japan, Italy and Australia an... |
Apr 27, 2020
Bar-Cohen, Yoseph, 2020, "EAP from 1999 to 2020: highlights from chairing the EAPAD conference for 22 years", https://hdl.handle.net/2014/52797, Smart Materials and Structures Symp./EAPAD Conf., Pasadena, California, April 27 - May 1, 2020, JPL Open Repository
No abstract provided |
Apr 26, 2020
Sherrit, Stewart; Lee, Hyeong Jae; Bao, Xiaoqi; Badescu, Mircea; Bar-Cohen, Yoseph, 2020, "Composite Piezoelectric Resonator 1D Modeling with Loss", https://hdl.handle.net/2014/52334, SPIE Smart Structures and Nondestructive Evaluation 2020 Symposia, Anaheim, California, April 26-30, 2020, JPL Open Repository
Abstract – Maximizing the benefit of applying piezoelectric materials in composite structures, which are a mix of piezoelectric and elastic elements, requires analytical modeling. In this paper we describe two main classes of resonators and how to model using network equivalent i... |
Apr 13, 2020
Lee, Hyeong Jae; Bar-Cohen, Yoseph; Badescu, Mircea; Sherrit, Stewart; Bao, Xiaoqi; Heness, Maikel, 2020, "Elastic wave analyzer for icy sub-surfaces (EWAIS) of ocean worlds", https://hdl.handle.net/2014/52808, Virtual Conference SPIE Smart Structures and Nondestructive Evaluation 2020 Symposia, Anaheim, California, April 13 - May 1, 2020, JPL Open Repository
No abstract provided |
