Results 121 to 130 of about 17,569 (305)

Phase-angle controller for Stirling engines [PDF]

open access: yes, 1980
An actuator includes a restraint link adapted to be connected with a pivotal carrier arm for a force transfer gear interposed between the crankshaft for an expander portion of a Stirling engine and a crankshaft for the displacer portion of the engine ...
Mcdougal, A. R.
core   +1 more source

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

open access: yesInternational 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   +2 more
wiley   +1 more source

Design and Optimization of Metal Matrix Composite (MMC’S) Spur Gear [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2017
Gears are one of the most critical components in power transmission system of an automobile and also many rotating machinery. Many studies have been conducted on optimum gear design.
Purushottam Karthik Janaswamy   +2 more
doaj  

Effect of five lubricants on life of AISI 9310 spur gears [PDF]

open access: yes
Spur-gear surface fatigue tests were conducted with five lubricants using a single lot of consumable-electrode vacuum melted (CVM) AISI 9310 spur gears.
Townsend, D. P., Zaretsky, E. V.
core   +1 more source

From commons to commoning as resistance efforts to blue injustice: A sociohistorical and ethnographical approach

open access: yesPeople and Nature, EarlyView.
Abstract Over the last 20 years, collaborative efforts have emerged with the intention of going beyond the pure capitalist economy, seeking to generate transformative community‐based changes that guarantee blue equity, fair distribution and well‐being.
Sílvia Gómez, Alfons Garrido
wiley   +1 more source

Endurance and failure characteristics of modified Vasco X-2, CBS 600 and AISI 9310 spur gears [PDF]

open access: yes
Gear endurance tests and rolling-element fatigue tests were conducted to compare the performance of spur gears made from AISI 9310, CBS 600 and modified Vasco X-2 and to compare the pitting fatigue lives of these three materials.
Townsend, D. P., Zaretsky, E. V.
core   +1 more source

The optimal design of standard gearsets [PDF]

open access: yes, 1983
A design procedure for sizing standard involute spur gearsets is presented. The procedure is applied to find the optimal design for two examples - an external gear mesh with a ratio of 5:1 and an internal gear mesh with a ratio of 5:1.
Coy, J. J., Savage, M., Townsend, D. P.
core   +1 more source

Urban adults' engagement in nature education and its interplay with everyday lived experiences: A case study from Shenzhen, China

open access: yesPeople and Nature, EarlyView.
Abstract Currently, scholarship on education to foster connectedness with nature primarily focuses on children. As adults likewise face the disconnection from nature and play a key role in influencing children, it is important to understand how they perceive, engage in, and benefit from relevant programmes.
Xiaoxue Chen, Zuyi Lyu, Junxi Qian
wiley   +1 more source

Life analysis of helical gear sets using Lundberg-Palmgren theory [PDF]

open access: yes
A mathematical model is developed for surface fatigue life of helical gears. The expected fatigue life of a pinion, gear, or gear set may be calculated from the model. An equation for the dynamic capacity of a gear set was also derived.
Coy, J. J., Zaretsky, E. V.
core   +1 more source

A polarimeter for the high resolution ultraviolet spectrometer/polarimeter [PDF]

open access: yes, 1980
The design requirements of the polarimeter were established by the scientific optical objectives of the experiment to be launched aboard the Solar Max Mission which will study active solar regions.
Calvert, J. A.
core   +1 more source

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