Results 91 to 100 of about 81,581 (351)

Head and Flow Observations on a High- Efficiency Free Centrifugal-Pump Impeller [PDF]

open access: yes, 1950
A series of studies of the flow through the various components of hydrodynamic machinery is in progress in the Hydraulic Machinery Laboratory of the California Institute of Technology.
Morelli, D. A., Osborne, W. C.
core  

Effect of seed-beds on the cultivation of Radicchio (Cichorium intybus L., Rubifolium group) [PDF]

open access: yes, 2016
The use of raised beds (i.e., ridged soil layers) to cultivate vegetables can improve soil quality, crop performance, water use and even reduce soil erosion.
Bietresato, Marco, Bortolini, Lucia
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

Numerical Calculation of the Three-Dimensional Swirling Flow Inside the Centrifugal Pump Volutes

open access: yesInternational Journal of Rotating Machinery, 2003
The flow inside the volute of a centrifugal pump is threedimensional and, depending upon the position of the inlet relative to the cross-section center line, a single or double swirling flow occurs.
E. Cezmi Nursen, Erkan Ayder
doaj   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations

open access: yesAdvanced Robotics Research, EarlyView.
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley   +1 more source

Feedback Linearization and Reaching Law Based Sliding Mode Control Design for Nonlinear Hydraulic Turbine Governing System

open access: yesEnergies, 2019
Hydropower as renewable energy has continually expanded at a relatively high rate in the last decade. This expansion calls for more accurate scheme design in hydraulic turbine governing system (HTGS) to ensure its high efficiency.
Bicheng Guo, Jiang Guo
doaj   +1 more source

Mechanobiological Dynamics‐Inspired Mechanomodulatory Biomaterials

open access: yesAdvanced Science, EarlyView.
Recent advances in biomaterial‐mediated mechanomodulation of stem cell fate, encompassing 2, 3, and 4D systems and their synergy with artificial intelligence is overviewed. By integrating knowledge from diverse fields, this review ultimately aims to inspire the design of smarter biomaterial systems that can accelerate the clinical translation of ...
Letao Yang   +6 more
wiley   +1 more source

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