Results 51 to 60 of about 96,399 (264)

Ironwork of Teixois-Taramundi (Asturias) Spain [PDF]

open access: yes, 2001
This paper describes an old ironwork placed in a Spanish village. All parts of it are studied, specially the Air supply and the Hydraulic wheel. The minimum area in the water trump for a correct air flow is calculated.
Blanco, E.   +4 more
core  

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

open access: yesAdvanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

Joint Simulation Research on Drilling String Lifting Device Based on AMESim and ADAMS

open access: yesShiyou jixie
As the drilling technology continues to develop, the requirements for conveying efficiency and automation level of drilling tool becomes increasingly high.
Song Binghao   +5 more
doaj   +1 more source

Hemolysis in a continuous-flow ventricular assist device with/without chamfer

open access: yesAdvances in Mechanical Engineering, 2017
Ventricular assist device has been increasingly used in the treatment of end-stage heart failure, with a high incidence of hemolysis in clinical use, which is a serious problem to be solved.
Donghai Li   +5 more
doaj   +1 more source

Experimental investigation of the productivity of a wet separation process of traditional and bio-plastics [PDF]

open access: yes, 2018
The separation process within a mechanical recycling plant plays a major role in the context of the production of high-quality secondary raw materials and the reduction of extensive waste disposal in landfills. Traditional plants for plastic separation
Della Pelle, Valerio   +4 more
core   +2 more sources

Novel Functional Materials via 3D Printing by Vat Photopolymerization

open access: yesAdvanced Functional Materials, EarlyView.
This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov   +3 more
wiley   +1 more source

Sensor-based optimized control of the full load instability in large hydraulic turbines [PDF]

open access: yes, 2018
Hydropower plants are of paramount importance for the integration of intermittent renewable energy sources in the power grid. In order to match the energy generated and consumed, Large hydraulic turbines have to work under off-design conditions, which ...
Egusquiza Estévez, Eduard   +4 more
core   +2 more sources

From Clinic to Computation: Multiscale Bioengineering Strategies for Durable Biological Aortic Valve Replacements

open access: yesAdvanced Functional Materials, EarlyView.
Bioprosthetic aortic valves have revolutionized the treatment of aortic stenosis, but their durability is limited by structural valve deterioration (SVD). This review focuses on the pericardial tissue at the heart of these valves, examining how its mechanical properties and calcification drive fatigue and failure.
Gabriele Greco   +7 more
wiley   +1 more source

Development of integrative control device of belt conveyor

open access: yesGong-kuang zidonghua, 2013
In view of problems of many operating procedures and high labor intensity existed in process of belt-shrinking, tensioning and belt-winding of belt conveyor, an integrative control device of belt conveyor was designed.
XING Hai-long
doaj  

Laboratory studies of a high-strength roof bolting by means of self-extending mixtures [PDF]

open access: yes, 2019
Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods.
Isaienkov, O   +3 more
core   +1 more source

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