Results 41 to 50 of about 16,005 (251)
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen +6 more
wiley +1 more source
斜齿轮高精度建模的安装误差对接触应力区域及齿根弯曲应力的影响
Jixie chuandong, 2014 Based on the traditional modeling of helical gear,a high accuracy modeling method of involute helical gear is proposed based on Pro/E,the geometric accuracy of helical gear model is improved,the meshing process of contact is more close to the true gear ...
张发军 +4 more
doaj
Fatigue Life Analysis of the Plastic Helical Gear and Steel Worm Transmission Mechanism
Jixie chuandong, 2023 The rapid development of polymer materials has promoted the trend of plasticization of metal gears in medium and low load gear transmissions. Plastic helical gears are often used to replace metal worm gears in the worm and helical gear transmission, but ...
Liu Ganhua, Wang Qi, Tang Naifu
doaj
Dynamics of a split torque helicopter transmission [PDF]
, 1992 A high reduction ratio split torque gear train has been proposed as an alternative to a planetary configuration for the final stage of a helicopter transmission. A split torque design allows a high ratio of power-to-weight for the transmission.
Krantz, Timothy, Rashidi, Majid
core +2 more sources
Energy efficiency measurement procedure for gearboxes in their entire operating range [PDF]
, 2014 Over the last decade, forced regulations and a growing social awareness with respect to energy efficiency have resulted in a renewed interest in the research for high efficient electrical machines.
Algoet, Elewijn +5 more
core +1 more source
Energy Science &Engineering, EarlyView.This study develops and evaluates a solar PV‐fed electric bicycle system optimized for university campuses in Pakistan. The techno‐economic analysis demonstrates significant fuel savings, emission reductions, and sustainability benefits, promoting a cost‐effective, eco‐friendly, and renewable transportation alternative amid rising global fuel and ...
Muhammad Abdullah Khan +4 more
wiley +1 more source
Jixie chuandong, 2006 Based on Pro/Engineer,the method of 3D parameterized model of involute helical gear with modification is studied and the principle of virtual assembly with meshing backlash is introduced.Input gear width,helical angle and five basic parameters of ...
罗善明 +4 more
doaj
Expansion of epicyclic gear dynamic analysis program [PDF]
The multiple mesh/single stage dynamics program is a gear tooth analysis program which determines detailed geometry, dynamic loads, stresses, and surface damage factors.
Boyd, Linda Smith, Pike, James A.
core +1 more source
Supporting Students on the Right PATH in Catholic Schools
Psychology in the Schools, EarlyView.ABSTRACT Low‐income, first‐generation students can benefit from programs designed to reduce the college access opportunity gap. This paper describes the PATH program, operating in two Catholic grade schools in the Southwest in partnership with the University of Notre Dame.
Monica J. Kowalski, Alec Torigian
wiley +1 more source
Analysis and Simulation of Meshing Efficiency of Helical Gear Differential Gear Train
Jixie chuandong, 2017 On the basis of taking 2K-H type helical differential gear train as the basic prototype,by analyzing the transmission efficiency of its transformation part and piecewise integration in meshing range,the result of the meshing efficiency of the internal ...
Zhou Chunguo +3 more
doaj