Results 81 to 90 of about 2,308 (275)

Small Radioisotope Power System Testing at NASA Glenn Research Center [PDF]

In April 2009, NASA Glenn Research Center (GRC) formed an integrated product team (IPT) to develop a Small Radioisotope Power System (SRPS) utilizing a single Advanced Stirling Convertor (ASC) with passive balancer. A single ASC produces approximately 80
Bell, Mark, Dugala, Gina, Duven, Dennis, Fraeman, Martin, Frankford, David, Oriti, Salvatore   +5 more
core   +1 more source

Light Switchable Ionic Conductivity of Arylazopyrazole Modified Polysiloxanes

Advanced Materials Technologies, EarlyView.
We present a polysiloxane functionalized with a novel arylazopyrazole dye that undergoes reversible photoisomerization. Upon lithium bis(trifluoromethanesulfonyl)imide addition and UV irradiation, the polymer exhibits a shift in tan(d) toward higher frequencies and enhanced ionic conductivity.
Malte S. Beccard, Thulasinath Raman Venkatesan, Michael Bauer, Valentin Razvan Lupu, Philipp Scheidegger, Francesco Taddei, Frank A. Nüesch, Dorina M. Opris   +7 more
wiley   +1 more source

Triboelectric nanogenerators as wearable power sources and self-powered sensors. [PDF]

Natl Sci Rev, 2023
Pu X, Zhang C, Wang ZL.
europepmc   +1 more source

Lunar Surface Stirling Power Systems Using Isotope Heat Sources [PDF]

For many years, NASA has used the decay of plutonium-238 (Pu-238) (in the form of the General Purpose Heat Source (GPHS)) as a heat source for Radioisotope Thermoelectric Generators (RTGs), which have provided electrical power for many NASA missions ...
Penswick, L. Barry, Schmitz, Paul C., Shaltens, Richard K.   +2 more
core   +1 more source

Wireless Power Transfer Modalities for Implantable Bioelectronics: Electromagnetic, Acoustic, and Magneto‐Dynamic Perspectives

Advanced Materials Technologies, EarlyView.
This review traces the evolution of wireless power transfer (WPT) for implantable medical devices, spanning electromagnetic, magnetoelectric, acoustic, and magneto‐dynamic systems. Quantitative comparisons of power, distance, and device scale highlight trade‐offs across modalities, while emerging hybrid mechanisms reveal strategies to overcome ...
Junyeop Kim, Yoonseok Park
wiley   +1 more source

Recent Advances in Triboelectric Nanogenerators: From Technological Progress to Commercial Applications. [PDF]

ACS Nano, 2023
Choi D, Lee Y, Lin ZH, Cho S, Kim M, Ao CK, Soh S, Sohn C, Jeong CK, Lee J, Lee M, Lee S, Ryu J, Parashar P, Cho Y, Ahn J, Kim ID, Jiang F, Lee PS, Khandelwal G, Kim SJ, Kim HS, Song HC, Kim M, Nah J, Kim W, Menge HG, Park YT, Xu W, Hao J, Park H, Lee JH, Lee DM, Kim SW, Park JY, Zhang H, Zi Y, Guo R, Cheng J, Yang Z, Xie Y, Lee S, Chung J, Oh IK, Kim JS, Cheng T, Gao Q, Cheng G, Gu G, Shim M, Jung J, Yun C, Zhang C, Liu G, Chen Y, Kim S, Chen X, Hu J, Pu X, Guo ZH, Wang X, Chen J, Xiao X, Xie X, Jarin M, Zhang H, Lai YC, He T, Kim H, Park I, Ahn J, Huynh ND, Yang Y, Wang ZL, Baik JM, Choi D.   +75 more
europepmc   +1 more source

Hybrid islanding detection method using PMU‐ANN approach for inverter‐based distributed generation systems

IET Renewable Power Generation
An essential component of guaranteeing the stability and safety of electricity distribution networks is islanding detection. In this work, a novel method for islanding detection which combined both phasor measurement units (PMU) and artificial neural ...
Mohammad Abu Sarhan, Szymon Barczentewicz, Tomasz Lerch   +2 more
doaj   +1 more source

Advanced Stirling Convertor Dual Convertor Controller Testing at NASA Glenn Research Center in the Radioisotope Power Systems System Integration Laboratory [PDF]

NASA Glenn Research Center developed a nonnuclear representation of a Radioisotope Power System (RPS) consisting of a pair of Advanced Stirling Convertors (ASCs), Dual Convertor Controller (DCC) EMs (engineering models) 2 and 3, and associated support ...
Bell, Mark E., Dolce, James L., Dugala, Gina M., Fraeman, Martin, Frankford, David P., Taylor, Linda M.   +5 more
core   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Triboelectric Nanogenerators and Hybridized Systems for Enabling Next-Generation IoT Applications. [PDF]

Research (Wash D C), 2021
Shi Q, Sun Z, Zhang Z, Lee C.
europepmc   +1 more source