Results 31 to 40 of about 590 (236)

Hydrostatic Asymmetric Journal Gas Barings for Seismic ACROSS Transmitters

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
The ACROSS (Accurately Controlled Routinely Operated Signal System) is used to detect subtle changes in the physical state of Earth's structure. The signal is sinusoidal elastic waves generated by the rotation of a rotor with eccentric mass set in ...
Tomohiko ISE, Takao TORII, Nobuyoshi MORITA, Shinichi TOGO, Makoto OKANO   +4 more
doaj   +1 more source

Beyond‐Classical Ferroelectric Metamaterials: 3D‐Printed Planar Lattices With Programmable Electro–Thermo–Mechanical Coupling

Advanced Science, EarlyView.
Planar ferroelectric lattices with rationally‐tailored topology and polarization achieve programmable piezoelectric and pyroelectric properties. Analytical modeling, homogenization, and experiments collectively demonstrate enhanced and tunable longitudinal, transverse, and shear piezoelectric responses, together with substantially improved ...
Jiahao Shi, Kang Ju, Haoyu Chen, Valerie Orsat, Agus P. Sasmito, Ali Ahmadi, Abdolhamid Akbarzadeh   +6 more
wiley   +1 more source

Effects of oil recess structural parameters on comprehensive tribological properties in multi-pad hydrostatic thrust bearing for CNC vertical processing equipment based on low power consumption

Energy Reports, 2021
Hydrostatic thrust bearings have been applied in high speed and heavy load machine tools because they provide superior characteristics such as higher positional accuracy, greater stability, and lower friction.
Xiaodong Yu, Ruiming Zhang, Defan Zhou, Yan Zhao, Minmin Chen, Zelin Han, Shihao Li, Hui Jiang   +7 more
doaj   +1 more source

Habitat‐Specific Design Strategies for Untethered Soft Robots

Advanced Science, EarlyView.
Habitat shapes the design of untethered soft robots. Across land, water, air, and living tissues, environmental constraints govern viable combinations of compliant structures, actuation mechanisms, and energy delivery. This review connects these constraints with robotic performance and identifies design principles for advancing adaptable, durable, and ...
Siyang Li, Zhikun Miao, Tuck‐Whye Wong, Tiefeng Li   +3 more
wiley   +1 more source

Modeling and Analysis of the Eccentric-Load Resistance of Single Rectangular Hydrostatic Oil Pad Units

Lubricants
Hydrostatic bearings are extensively utilized in precision and ultra-precision machinery. Owing to the small oil film clearance of such bearings, they are prone to tilting under eccentric loads, which may ultimately lead to bearing failure.
Mengyang Li, Ye Ding, Jie Wu
doaj   +1 more source

Raman Response of Monolayer Graphene Upon Varying TCNE Adsorption

Advanced Physics Research, EarlyView.
Low TCNE loading induces p‐type doping in monolayer graphene without significantly disturbing local lattice symmetry, due to a structurally favorable molecular arrangement. At higher TCNE concentrations, the D‐band emergence indicates increasing symmetry breaking. TCNE thus enables concentration‐dependent tuning of graphene's electronic properties with
Simon Attenberger, Felix Hoffmann, Wanqiu Wang, Vojislav Krstić   +3 more
wiley   +1 more source

A General Workflow for Tangential Flow Filtration Perfusion Scale‐Up

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Tangential flow filtration (TFF) perfusion using hollow‐fiber modules offers substantial advantages over other mammalian cell retention technologies. Recently, increased awareness of Starling flow has helped to enhance filtration performance to similar, or even higher levels compared to alternative technologies.
Patrick Romann, Ken Lee, Venkatesh Natarajan, Daniel Ley, Claes Nymand Nilsson, David Garcia‐Munzer, Dominik Schieman, Mahbod Hajighasemi, Alex Zaytsev, Jason Friedman, Loic Chappuis, Tobias Habicher, Colin Jaques, Alex Cohen, Matthew Gagnon, Edward Chan, Daniel J. Karst, Philip Giller, Antony Sibilia, Andrew L. Zydney, Thomas K. Villiger   +20 more
wiley   +1 more source

ANALYSIS OF BEARING PERFORMANCE OF HYDRODYNAMIC AND HYDROSTATIC BALL BEARINGS UNDER INTERFACE SLIP BASED ON ORIFICE THROTTLING

Jixie qiangdu, 2022
Due to study the influence of interfacial slip on the bearing capacity of hydrostatic and hydrostatic ball bearings with small orifice throttling, the Reynolds equation of ball bearings considering interfacial slip was established based on the linear ...
ZHOU YiHao, SHEN JingFeng, CHEN YuFei
doaj  

From muscle fibres to muscle gears: how dynamic fascicle orientation and shape change impact skeletal muscle function

Biological Reviews, EarlyView.
ABSTRACT Skeletal muscle architectural design strongly affects force‐generating capacity and excursion range, and its functional importance to animal and human movement is well founded. Traditionally, this ‘structure–function relation’ has been inferred from architecture measurements with muscles at rest (from anatomical dissections or medical imaging ...
Matheus D. Pinto, James M. Wakeling, Javier A. Almonacid, Anthony J. Blazevich   +3 more
wiley   +1 more source

Influence of Ball Bearing Size on the Flight and Damage Characteristics of Blast-Driven Ball Bearings

Applied Sciences, 2022
This paper presents insights into the influence of ball size on the flight characteristics and damage of a ball bearing embedded in a rear detonated cylindrical charge. It includes results from a post-test damage analysis of ball bearings from previously
Genevieve S. Langdon, Ruixuan Qi, Trevor J. Cloete, Steeve Chung Kim Yuen   +3 more
doaj   +1 more source