Results 61 to 70 of about 1,534,066 (401)

Optimization of the impeller for hydraulic performance improvement of a high-speed magnetic drive pump

open access: yesAdvances in Mechanical Engineering, 2022
Magnetic drive centrifugal pumps have compact structure and lower efficiency than ordinary centrifugal pumps. The surrogate-based optimization technique was applied to improve the performance of a high-speed magnetic drive pump with the help of numerical
Zhenfa Xu   +5 more
semanticscholar   +1 more source

Hydraulic drive mechanism Patent [PDF]

open access: yes, 1967
Hydraulic drive mechanism for leveling isolation ...
Tsutsumi, K.
core   +1 more source

Analysis of Vibration in Hydraulic Drive System

open access: yesBulletin of JSME, 1979
It is well known that stick-slip motion often occurs while operating a hydraulic drive system with plane slide-ways at low speed and there are a number of researches reported on the analysis of such a motion. The authors made similar experiments with a hydraulic system with comparatively small friction and found that vibrations without sticking could ...
Takayuki Nakagawa   +2 more
openaire   +4 more sources

Using a Supramolecular Approach to Engineer Modular Hydrogel Platforms for Culturing Protoplasts – from General Tissue Engineering to Cellular Agriculture

open access: yesAdvanced Biology, EarlyView.
Using supramolecular monomers, various hydrogel culture systems were formulated to culture protoplasts; including 2D, 2.5D, and 3D hydrogels. Depending on the culture platform, bioactive functionalization led to protoplast enlargement (2D and 2.5D) or plasmolysis (3D). This work shows the potential to modularly engineer synthetic platforms for cellular
Maritza M. Rovers   +3 more
wiley   +1 more source

Space shuttle orbiter auxiliary power unit development challenges [PDF]

open access: yes, 1985
When the flying spacecraft was approved for development, a power unit for the hydraulic system had to be developed. Unlike other systems on the orbiter, there was no precedent in earlier spacecraft for a hydraulic system nor for the power unit to drive ...
Lance, R., Weary, D.
core   +1 more source

Microphysiological Glomerular Filtration Barriers: Current Insights, Innovations, and Future Applications

open access: yesAdvanced Biology, EarlyView.
The glomerular filtration barrier (GFB) is the first step of blood filtration by the kidneys. The concerning increase of kidney diseases makes the development of new models essential. In this context, microphysiological glomerular filtration barriers focus on closely reproducing the physiological architecture of the in vivo GFB: podocytes, glomerular ...
Manon Miran   +5 more
wiley   +1 more source

Anti-backlash circuit for hydraulic drive system Patent [PDF]

open access: yes, 1966
Antibacklash circuit for hydraulic drive ...
Acord, J. D.
core   +1 more source

Hydraulic drive boom lifting mechanism [PDF]

open access: goldIOP Conference Series: Materials Science and Engineering, 2019
The paper presents the calculation of the pressure of the hydraulic cylinder of the boom at the inlet to the throttle, which regulates the speed of lowering the boom with a load, which provides a non-cavitation operation mode of the hydraulic drive. The pressure calculation takes into account the change in the angular acceleration of the boom with a ...
G Zubilov   +4 more
openalex   +3 more sources

A Simulative Approach for the Prediction of Mesoscale Residual Stress Fields in Solution‐Strengthened Ferritic Ductile Iron

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents a 3D representative volume element‐based simulation approach to predict mesoscopic residual stress and strain fields in silicon solid solution‐strengthened ductile cast iron. By modeling phase transformation kinetics with an enhanced Johnson–Mehl–Avrami–Kolmogorov model, the effects of varying cooling rates on residual stresses are ...
Lutz Horbach   +6 more
wiley   +1 more source

Hydraulic drive system prevents backlash [PDF]

open access: yes, 1965
Hydraulic drive system uses a second drive motor operating at reduced torque. This exerts a relative braking action which eliminates the normal gear train backlash that is intolerable when driving certain heavy ...
Acord, J. D.
core   +1 more source

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