Results 71 to 80 of about 227,633 (348)

RESEARCH OF WATER HYDRAULIC COMPONENTS AND SYSTEMS FROM ASPECTS OF QUALITY OF LIFE [PDF]

open access: yesApplied Engineering Letters, 2019
This article describes the importance of water hydraulic components and systems from the aspect of quality of life. Water hydraulics has become of major interest because it is human friendly andenvironmentally safe.
Nenad Todić   +3 more
doaj   +1 more source

A long-lived precision switch actuator for controlling pump-piston action [PDF]

open access: yes, 1970
Switch mechanism limits the stroke of the piston by stopping the piston motor drive.
Davis, R. R.
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Modelling and design of a coupled system of multiple hydraulic systems and large structures

open access: yesNihon Kikai Gakkai ronbunshu
Control of large structures often involves the use of hydraulic equipment due to the large power requirements. In this study, a large telescope is taken as an example of a large structure.
Tomoya HATTORI   +2 more
doaj   +1 more source

Ways to increase the wear resistance of pistons of internal combustion engines (review)

open access: yesПроблеми трибології, 2021
The article analyzes the materials from which the piston is made for internal combustion engines. For automobile and tractor engines, in particular, eutectoid mixtures of the AL25 type and eutectoid mixtures containing copper, nickel, magnesium and ...
T. V. Dudchak
doaj   +1 more source

Subvoxel Control of Fiber Orientation via Multidirectional Shearing in 3D Printing

open access: yesAdvanced Science, EarlyView.
A novel 3D printing technique enables subvoxel control of fiber orientation in all three directions through multidirectional shearing using nozzle rotation and inclination. It allows localized and tunable mechanical and thermal responses through programmable microstructures within a strand.
Berin Šeta   +5 more
wiley   +1 more source

4D Printing of Magnetically Responsive Shape Memory Polymers: Toward Sustainable Solutions in Soft Robotics, Wearables, and Biomedical Devices

open access: yesAdvanced Science, EarlyView.
Merging 4D printing with magneto‐responsive shape memory polymers opens new avenues for intelligent, reconfigurable systems. This review navigates cutting‐edge fabrication techniques, magnetic fillers, and smart polymer matrices, unveiling their potential in soft robotics, biomedical devices, and wearable tech.
Kiandokht Mirasadi   +7 more
wiley   +1 more source

Influence of hydraulic brakes typical parameters on the process of recoiling mass breaking

open access: yesVojnotehnički Glasnik, 1998
The mathematical model for providing typical parameters of the process of breaking of recoiling mass on an artillery gun is presented. The model of hydraulic brakes with some discrete distribution of orifice surfaces in the cylinder is defined.
Zoran Ristić , Mile Davidović
doaj   +1 more source

Wave‐Partition‐Governed Dual‐Site Spallation in Single Crystals

open access: yesAdvanced Science, EarlyView.
Crystalline anisotropy shapes shock‐wave propagation and the resulting damage evolution in single crystals. Large‐scale molecular dynamics and damage modeling uncover a dual‐spallation mechanism driven by anisotropic elasticplastic wave separation, which mitigates damage accumulation.
Youlin Zhu   +6 more
wiley   +1 more source

Overview of free-piston Stirling technology at the NASA Lewis Research Center [PDF]

open access: yes, 1985
An overview of the National Aeronautics and Space Administration (NASA) Lewis Research Center (Lewis) free-piston Stirling engine activities is presented.
Slaby, J. G.
core   +1 more source

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