Results 61 to 70 of about 46,918 (252)

Remote water monitoring system [PDF]

open access: yes, 1978
A remote water monitoring system is described that integrates the functions of sampling, sample preservation, sample analysis, data transmission and remote operation.
Grana, D. C., Haynes, D. P.
core   +1 more source

Three-dimensional electromagnetic field model of an auger electromechanical converter with an external solid rotor [PDF]

open access: yes, 2019
Purpose. Creating a three-dimensional mathematical model of the electromagnetic field of an auger electromechanical converter with the external solid rotor, taking into account the geometry peculiarities and the finite length factor.
Brozhko, R   +3 more
core   +1 more source

Solar Fuels Via Methane Valorization: Thermochemical Pathways, Unified Metrics, and Techno‐Economic Perspectives

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A first‐of‐its‐kind review benchmarks three solar methane valorization pathways with unified performance metrics for clean fuel production. Meeting global climate targets and sustainable energy demands requires carbon‐neutral fuels and innovative conversion pathways.
Muhammad Abdulmoez   +3 more
wiley   +1 more source

Design, Fabrication and Testing of Carbon Fiber Reinforced Epoxy Drive Shaft for All Terrain Vehicle using Filament Winding

open access: yesMATEC Web of Conferences, 2018
Filament winding is a composite material fabrication technique that is used to manufacture concentric hollow components. In this study Carbon/Epoxy composite drive shafts were fabricated using filament winding process with a fiber orientation of [852 ...
Yeshwant Nayak Suhas   +5 more
doaj   +1 more source

Wall thickness uniformity of railway hollow shafts by cross-wedge rolling

open access: yes工程科学学报, 2015
Wall thickness uniformity is an important quality criterion of railway hollow shafts by multi-wedge synchrostep cross wedge rolling. The stable rolling condition of railway hollow shafts in this rolling process is analyzed,and a flattening instability ...
ZHENG Shu-hua   +3 more
doaj   +1 more source

Miniature electrooptical air flow sensor [PDF]

open access: yes, 1984
A sensor for measuring flow direction and airspeed that is suitable, because of its small size, for rapid instrumentation of research airplanes is described.
Kershner, D. D.
core   +1 more source

Numerical Approaches for the Analysis of Glass Facades Under Seismic Loads

open access: yesEarthquake Engineering and Resilience, EarlyView.
Glass facades have gained more popularity due to their highly impacting esthetic and sustainable applications. However, their constitutive glass components are rather vulnerable and need proper analysis strategies to design them in efficient structural terms, especially against extreme loads, such as earthquakes.
Mir Zafarullah, Chiara Bedon
wiley   +1 more source

Transfer valve Patent [PDF]

open access: yes, 1968
Three-port transfer valve with one port open continuously suitable for manned space ...
Puccinelli, A. A., Smith, J. R., Jr.
core   +1 more source

125 years of exploration and research at Gough's Cave (Somerset, UK) 125 ans d'exploration et de recherches à Gough's Cave (Somerset, Royaume‐Uni)

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello   +2 more
wiley   +1 more source

Dynamic Analysis of Three-Rotor System with Hollow Shaft under Clutch Misalignment

open access: yesAerospace
Rotor system of aviation engines is often made of multiple rotors connected by the clutch. Due to manufacturing and assembly errors, there is a clutch misalignment, including the parallel misalignment and the angle misalignment.
Guofang Nan, Haoyu Wang, Dengliang Yu
doaj   +1 more source

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