Results 121 to 130 of about 703,248 (356)

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  

Design Optimization of a Variable Stiffness Robotic Gripper with Passive Restoration Fabricated by Multimaterial 3D Printing

open access: yesAdvanced Robotics Research, EarlyView.
A multimaterial robotic gripper fabricated via multimaterial 3D printing integrates conductive thermopolymer joints with flexible elastomeric components. Joule heating enables precise joint‐level stiffness modulation, enhanced by embedded temperature sensors, passive shape restoration, and active cooling, enabling versatile manipulation capabilities ...
Daniel Jee Seng Goh   +4 more
wiley   +1 more source

The influence of evaporation and rainfall on the reservoir water balance equation [PDF]

open access: yesE3S Web of Conferences
Evaporation has a major significance in the water balance of a reservoir. Usually, recorded data for the evaporation on the free surface of a reservoir are not available.
Neagoe Angela   +4 more
doaj   +1 more source

Justification of the Kinematic Diagrams for the Distribution System of a Planetary Hydraulic Motor [PDF]

open access: yes, 2018
The output characteristics of a planetary (orbital) hydraulic motor could be significantly improved if the kinematic diagrams for its working fluid distribution system are chosen correctly and substantiated.
Boltianskyi, Oleh   +15 more
core  

Recent Advances in Robotic Systems for Robot‐Assisted Transoral Surgical Procedures: A Systematic Review

open access: yesAdvanced Robotics Research, EarlyView.
This review systematically examines robotic systems for robot‐assisted transoral surgical procedures, classifying them based on transoral access depth, and evaluates their fundamental design principles, mechanical innovations, algorithmic advancements, and clinical implementation status.
Yuhao Shi   +5 more
wiley   +1 more source

Numerical and experimental investigations on a hybrid vertical axis wind turbine [PDF]

open access: yesE3S Web of Conferences
Wind energy represents one of the main sources of renewable energies. Innovation in wind turbine technology tends to focus on increasing energy production, especially at low wind velocities.
Budea Sanda   +2 more
doaj   +1 more source

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

Electromechanical Simulation of Actively Controlled Rotordynamic Systems with Piezoelectric Actuators [PDF]

open access: yes, 1991
Theories and tests for incorporating piezoelectric pushers as actuator devices for active vibration control are discussed. It started from a simple model with the assumption of ideal pusher characteristics and progressed to electromechanical models with ...
Kascak, A. F.   +3 more
core   +1 more source

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