Results 81 to 90 of about 58,088 (289)

ASSESMENT OF DYNAMIC LOAD OF THE GEAR ACCOUNTING INTERSTAGE COUPLING IN RESPECT OF ISOLATED STAGES [PDF]

Scientific Journal of Silesian University of Technology. Series Transport, 2014
In the article presented and discussed were results from investigations performed on dynamic model of two-stage gear. A number of course features of dynamic coefficient value KV in the function of rotational speed of gear input shaft were shown. Compared
Mariusz KUCZAJ, Antoni SKOĆ
doaj  

Challenges in the engineering design, manufacture, and testing of polymer gears

Polymer gears are becoming more and more interesting parts of various machines; they are used in ever-more-demanding operating conditions. Due to their good mechanical properties, lightweight, and low noise during operation, they tend to substitute ...
Huskić, Miroslav,, Tavčar, Jože,, Lund University.   +2 more
core   +1 more source

A Robotic Testing Platform for Pipelined Discovery of Resilient Dielectric Elastomer Actuators

Advanced Science, EarlyView.
This work introduces a robotic testing platform enabling high‐throughput, multi‐parameter lifetime mapping of linear dielectric elastomer actuators (DEAs). By integrating programmable high‐voltage control and automated electromechanical measurements, the system identifies material and operating conditions that double actuator lifetime.
Ang (Leo) Li, Alexander Yin, Alexander White, Sahib Sandhu, Anatol Gogoj, Denise Maria de Andrade, Matthew Francoeur, Victor Jimenez‐Santiago, Van Remenar, Codrin Tugui, Mihai Duduta   +10 more
wiley   +1 more source

Regulating Cells Fate and Function to Facilitate Bone Regeneration via Designing Programmable Bio‐Interactive Materials

Advanced Science, EarlyView.
This article aims to elucidate the biological mechanisms of bone repair and the evolution of material design, highlighting key cellular and molecular processes. It further proposes strategies and prospects for programmable bio‐interactive materials, which enable precisely guided bone tissue regeneration by dynamically regulating cell behavior and the ...
Qingrui Fan, Fuming Cao, Junqiang Mao, Pengbin Yin, Licheng Zhang, Jianjun Wang, Peifu Tang   +6 more
wiley   +1 more source

Application Features of New Structural Steel 20KhN3MA for Large-Sized Case-Hardening Gears

Механика машин, механизмов и материалов, 2018
The paper gives an analysis and an assessment of the applicability of the most well-known grades of steels used for making large-sized case-hardening gears.
Pyotr A. Vityaz, Vladimir I. Moiseenko, Alexander G. Sidorenko, Dmitry G. Tomashevsky, Sergey A. Shishko   +4 more
doaj  

High‐Power Hybrid Nanogenerator With Multi‐Degree‐of‐Freedom Mechanical Coupling for Harvesting Water Wave Energy

Advanced Science, EarlyView.
A high‐power hybrid nanogenerator (HP‐HNG) with multi‐degree‐of‐freedom mechanical coupling is reported, integrating multi‐directional wave energy for output to achieve 1 + 1 > 2 energy harvesting. The HP‐HNG achieves a peak output power of 0.764 W, corresponding to a peak power density of 127.303 W m−3. At a wave frequency of 1 Hz, the HP‐HNG delivers
Shuai Ding, Hua Zhai, Hao Gong, Xiao Long, Yuanzhuo Tian, Zhanyong Hong, Long Zheng, Xucong Wang, Xiangyu Chen, Zhong Lin Wang   +9 more
wiley   +1 more source

Self‐Powered All‐in‐One Wearable Bioelectronics Driven by Pneumatic Energy Buffering of Daily Footsteps

Advanced Science, EarlyView.
A pneumatic energy‐buffering strategy transforms transient and intermittent footsteps into quasi‐continuous electrical energy for a self‐powered wearable biosensing platform. The footwear‐integrated air‐pumping harvester, combined with the rationally designed power‐management system, powers a wearable ankle PPG device with reduced motion artifacts ...
Ji‐Seok Kim, Tae Woog Kang, Hyunjoon Yoo, Jawon Ha, Yunuo Huang, Hee Han, Chi Won Ahn, Woon‐Hong Yeo, Il‐Kwon Oh   +8 more
wiley   +1 more source

Analytical and Experimental Investigation of Windage–Churning Behavior in Spur, Bevel, and Face Gears

Applied Sciences
This paper presents comparable sets of the no-load power loss as a product of windage and churning behaviors of a family of various rotating parts (i.e., disc, spur gear, straight bevel gear, and orthogonal face gear).
Yu Dai, Caihua Yang, He Liu, Xiang Zhu
doaj   +1 more source

MECHANISMS USED FOR DRIVING WINDOWS OF CAR SIDE DOORS [PDF]

Fiabilitate şi Durabilitate, 2015
The paper presents the main types of the mechanisms used for opening and closing of windows on the car doors. It is identified the three types of the mechanisms used as “crane” for the door windows: the mechanism with bars and gears, the mechanism with
Viorica VELIȘCU, Daniela ANTONESCU, Dan MESARICI,   +2 more
doaj  

Additive Manufacturing of High‐Performance Polymers for Extreme Environments

Advanced Science, EarlyView.
Additive manufacturing of high‐performance polymers for extreme environments is critically reviewed through an integrated chemistry‐processing‐structure‐property‐qualification framework. The review compares fused filament fabrication, selective laser sintering, and direct ink writing, linking rheology and thermal history to crystallization, defect ...
Md Tofazzal Hossain, Mohammed Intishar Nur, Md Shajedul Hoque Thakur, Indranil Dey, Md Mesbahul Maruf, Md Jahid Hasan, Suryasarathi Bose, Muhammad M. Rahman   +7 more
wiley   +1 more source