Results 101 to 110 of about 12,267,792 (308)

STATIC STIFFNESS MODELING AND SENSITIVITY ANALYSIS OF SHIELD PROPULSION SYSTEM BASED ON VIRTUAL DISPLACEMENT PRINCIPLE

Jixie qiangdu, 2023
Propulsion system is an important part of shield machine, and its stiffness will affect the propelling and steering function. In order to obtain the effective parameterized stiffness model of shield propulsion system, and to accurately describe the ...
XU YouNan, SHI ZiQuan, HE Liu, CHU Hang
doaj  

Bioinspired Propulsion System for a Thunniform Robotic Fish. [PDF]

Biomimetics (Basel), 2022
Mitin I, Korotaev R, Ermolaev A, Mironov V, Lobov SA, Kazantsev VB.   +5 more
europepmc   +1 more source

Quantifying Subsurface Weak in‐Plane Magnetization of Mixed Phase BiFeO3 by Scanning Nitrogen Vacancy Magnetometry

Advanced Functional Materials, EarlyView.
We use scanning nitrogen vacancy magnetometry to directly image the weak in‐plane magnetic moments in mixed phase BiFeO3 at the nanoscale and quantify the local magnetic moments to be 18.8±2.0 μB/nm2 in the rhombohedral‐like phase and 1.5±0.6 μB/nm2 in the well‐known non‐magnetic tetragonal‐like phase.
Lei Wang, Zhewen Xu, Yuwen Xu, Björn Josteinsson, Simon Josephy, Dawei Zhang, Yunlong Sun, Heung‐Sik Park, Jihun Kim, Kanghyun Chu, Kyung Song, Danyang Wang, Chan‐Ho Yang, Andrea Morales, Jan Seidel   +14 more
wiley   +1 more source

Jet Propulsion Laboratory Report SPS-37-35, VOL. IV [PDF]

, 1965
Bimonthly report presenting a review of engineering and scientific work performed, or managed by the Jet Propulsion Laboratory (JPL) for the National Aeronautics and Space Administration during a two-month period. This volume presents material supporting
Jet Propulsion Laboratory (U.S.)
core  

Fabrication and Testing of the Cold Gas Propulsion System Flight Unit for the Adelis-SAMSON Nano-Satellites

Aerospace, 2019
Adelis-SAMSON is a nano-satellite mission aimed at performing geo-location of target signals on Earth using a tight three-satellite formation in space. To maintain formation, each nano-satellite is equipped with a cold gas propulsion system.
Michael Zaberchik, Dan R. Lev, Eviatar Edlerman, Avner Kaidar   +3 more
doaj   +1 more source

In-orbit demonstration of an iodine electric propulsion system. [PDF]

Nature, 2021
Rafalskyi D, Martínez JM, Habl L, Zorzoli Rossi E, Proynov P, Boré A, Baret T, Poyet A, Lafleur T, Dudin S, Aanesland A.   +10 more
europepmc   +1 more source

Electrocapillary Modulated Interfacial Tension Amplifies Liquid Metal Transduction

Advanced Functional Materials, EarlyView.
This study presented an electrocapillary‐enhanced magnetohydrodynamic pumping strategy that harnesses the Lorentz force and interfacial tension modulation of liquid metal droplets to achieve amplified fluidic power. The system enabled low‐voltage, self‐oscillating fluidic transduction with enhanced pressure and flow generation, supporting compact ...
Saba Firouznia, Ciqun Xu, Michael D. Dickey, Jonathan Rossiter   +3 more
wiley   +1 more source

Jet Propulsion Laboratory Report SPS-37-51, V. 3 [PDF]

, 1968
Bimonthly report presenting a review of engineering and scientific work performed, or managed by the Jet Propulsion Laboratory (JPL) for the National Aeronautics and Space Administration during a two-month period (p. iii).
Jet Propulsion Laboratory (U.S.)
core  

Jet Propulsion Laboratory Technical Report 32-1265 [PDF]

, 1969
Report documenting activities carried out under the cognizance of the Surveyor Project, managed by the Jet Propulsion Laboratory for the National Aeronautics and Space Administration.
Jet Propulsion Laboratory (U.S.)
core   +2 more sources

Unusual and persistent easterlies restrained the 2023/24 El Niño development after a triple-dip La Niña

npj Climate and Atmospheric Science
The 2023/24 El Niño, emerging after a rare triple-dip La Niña, garnered global attention due to its potential to evolve into an extreme event, given the largest accumulation of warm water in the equatorial western Pacific since 1980.
Ji-Won Kim, Baijun Tian, Jin-Yi Yu
doaj   +1 more source