Results 101 to 110 of about 23,963 (268)

Effect of Variations in the Ring Thickness on the Dynamic Performance of the Bimetal Gears

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This study used a six‐degrees‐of‐freedom dynamic model to analyze the dynamic response of bimetal spur gears. Aluminum alloy forms the core of the bimetal gears, and a uniform‐thickness steel ring surrounds the teeth. Gear mesh stiffness of bimetal gears and the transmission error have been assessed using a numerical approach based on finite ...
Bikramjit Singh, Pawan Kumar, S. P. Harsha   +2 more
wiley   +1 more source

Flight control systems development and flight test experience with the HiMAT research vehicles [PDF]

Two highly maneuverable aircraft technology (HiMAT) remotely piloted vehicles were flown a total of 26 flights. These subscale vehicles were of advanced aerodynamic configuration with advanced technology concepts such as composite and metallic structures,
Earls, Michael R., Kempel, Robert W.
core   +1 more source

The Analgesic Effect of Extended Reality (XR) on Acute and Postoperative Pain in Children: A Systematic Review and Meta‐Analysis

Pediatric Anesthesia, EarlyView.
ABSTRACT Background Acute and postoperative pain in children is often undertreated, with effects on patient comfort and postoperative recovery. Extended reality (XR) interventions offer non‐pharmacological pain management by distracting patients from discomfort.
Louise Meulenkamp‐Yilmaz, Souraya El Bardai, Manon H. J. Hillegers, Jeroen Legerstee, Bram Dierckx, Lonneke Staals   +5 more
wiley   +1 more source

Exact Solution of Mesh Stiffness and Analysis of Tooth Profile Parameters for Asymmetric Gear Pairs

Jixie chuandong
Asymmetric gears are a new type of involute gears with different pressure angles on each side of a gear tooth. Gear tooth profile parameters have a great influence on the performance of a gear pair, such as its tooth profile shape, motion characteristics,
Yang Yong, Hu Junhua, Shi Zhiqi, Zhou Qinghua, Wu Jian   +4 more
doaj  

ESG Debt Issued by Regional Governments in Spain: Financing Sustainable Development or Usual Public Expenditure?

Sustainable Development, EarlyView.
ABSTRACT Sustainable debt bond is an emerging instrument aiming at providing companies and governments with extra resources for financing social and environmental policies and attempting to make progress on the Sustainable Development Goals. Regional governments in Spain have issued sustainable bonds in recent years to finance different spending ...
Alberto Turnes, Xavier Vence, Angeles Pereira   +2 more
wiley   +1 more source

Computerized Generation of Nonstandard and Asymmetric Involute Spur Gears Based on Rack Cutter Parametric Tracing

Journal of Engineering
In the field of gear design, to apply any form of analysis (such as FEA, dynamic, and stress analyses), a delicate and accurate representation of the gear geometry is essential.
Ahmed A. Toman, Mohammad Q. Abdullah
doaj   +1 more source

Security Shaping Sustainability: The Difference Between Securitized and Community‐Based Conservation in Benin

Sustainable Development, EarlyView.
ABSTRACT As global conservation efforts intensify, balancing environmental protection with social sustainability has become increasingly urgent. This study employs a comparative case study approach to examine two natural resource management interventions in northern Benin: one led by African Parks in an insecure zone, and another by TMG Research in a ...
Ramoudane Orou Sannou, Christian P. Schneider   +1 more
wiley   +1 more source

Дифференциальные уравнения для синтеза геометрии арочных зубчатых передач смешанного зацепления [PDF]

, 1997
В статье приведены основные геометро-кинематические критерии для оценки качества арочного зацепления, зубья колес которого образованы несимметричным исходным контуром.
Шишов, В. П., Ткач, П. Н., Чалая, Е. Ю., Журавлева, Т. Е.   +3 more
core  

Asymmetric Helical Gears Bending Stress Calculation Formula

Mechanics
Aiming at the limitation that the traditional symmetrical gear stress calculation formula cannot be applied to the new asymmetric helical gear, a calculation method of tooth root bending stress of asymmetric involute helical gear are proposed in this paper.
Xuezhong FU, Yuxin JIN, Malong ZHAO, Fa CAO   +3 more
openaire   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

SmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen, Zeyuan Huang, Ying Yan, Xiaokang An, Zhikai Zhao, Jirong Lin, Xiangrong Zhao, Xianyuan Gao, Junyi Zong, Xuewen Jia, Zhipeng Yao, Jianliang Liao, Ning Ji   +12 more
wiley   +1 more source