Results 101 to 110 of about 56,749 (281)
Drag, lift and torque coefficients for ellipsoidal particles
, 2013 In this work, we want to verify the ability of the CFD code Ansys Fluent© to give an accurate prediction of hydrodynamic forces acting on non-spherical (Ellipsoids). We focus the present study only on the drag and lift forces and also on the pitching torque.
Khalij, Mohammed +3 more
openaire +1 more source
Rod‐Like PLGA Microrobots with Enhanced Motion and Biodegradation for Magnetic‐Guided Drug Delivery
Advanced Intelligent Systems, EarlyView.This study presents drug‐loaded Poly (lactic‐co‐glycolic acid) (PLGA) microrobots fabricated from an oil‐in‐water (O/W) emulsion of PLGA, Fe3O4 nanoparticles, and Adriamycin (DOX). They are formed by film‐forming and stretching microrobots, and exhibit motion analyzed via video‐snapshots, speed graphs, and shape changes, advancing targeted for drug ...
Junkai Zhang +6 more
wiley +1 more source
Shiyou jixie, 2019 To address the problems of difficult trajectory control, high torque and drag and serious regional lost circulation on Bohai 2-2 artificial island of Dagang Oilfield, based on the analysis of drilling difficulties, targeting the well trajectory control ...
Wang Jianlong +6 more
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Development of High Efficiency Dog Clutch with One-Way Mechanism for Stepped Automatic Transmissions
International Journal of Automotive Engineering, 2019 In order to reduce drag losses and a clutch actuator load, the new dog clutch system for stepped automatic transmission is developed. Transmitting torque is converted to the engaging force because rotating shaft and dog clutch are connected with the ...
Isamu Shiotsu +7 more
doaj +1 more source
Sensitivity analysis of factors affecting torque and drag modelling
, 2014 As the modern day extended reached wells are getting longer and more complex, the torque and drag is one of the restraining aspects for achieving the target depth. Torque and drag becomes a precarious issue, for example it can be difficult to land the long completion string.
openaire +2 more sources
A Review of Trans‐Dimensional Kirigami: From Compliant Mechanism to Multifunctional Robot
Advanced Intelligent Systems, EarlyView.This review outlines recent advancements in the geometric design and mechanical properties of kirigami. The kirigami is classified into two categories from a compliant mechanism perspective, highlighting their applications in metamaterials and robotic systems. Finally, the future research directions, is explored focusing on the potential of integrating
Yang Yu +14 more
wiley +1 more source
Modelling of cup anemometry and dynamic overspeeding in average wind speed measurements [PDF]
Atmospheric Measurement TechniquesCup anemometers measure average wind speed in the atmosphere and have been used for one and a half centuries by meteorologists. Within the last half century, cup anemometers have been used extensively in wind energy to measure wind resources and ...
T. F. Pedersen, J.-Å. Dahlberg
doaj +1 more source
Anti-backlash circuit for hydraulic drive system Patent [PDF]
, 1966 Antibacklash circuit for hydraulic drive ...
Acord, J. D.
core +1 more source
Design of a Reconfigurable Microfluidic System Enabled by Magnetic Miniature Robots
Advanced Intelligent Systems, EarlyView.Magnetic miniature robots are integrated into microfluidic chips to achieve real‐time reconfiguration. By external magnetic actuation, the robots perform sorting, mixing, flow regulation, and bubble removal on demand. This versatile platform eliminates the need for complex on‐chip hardware and enables adaptive control for biological and chemical ...
Yuanhe Chen +3 more
wiley +1 more source
Jixie chuandong, 2018 In order to accurately predict the internal flow field and drag torque characteristics of the hydro-viscous clutch,with the flow field of double circular groove clearance as the research object,based on the principle of hydrodynamics and the Newtonian ...
Sun Chunlian
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