Results 31 to 40 of about 46,926 (269)
Development of Heat Engines Powered by Twisted and Coiled Polymer Fiber Actuators
Advanced Materials Technologies, EarlyView.Continuously rotating engines driven by thermally responsive actuating materials can turn waste heat into useful energy. For the first time heat engines operated by twisted and coiled polymer fiber actuators are demonstrated with engine design guided by two simple analytical models.
Geoffrey M. Spinks +2 more
wiley +1 more source
Energy absorption device Patent [PDF]
, 1966 Energy absorption device in high precision gear train for protection against damage to components caused by stop ...
Fredrickson, C. A.
core +1 more source
Hard‐Magnetic Soft Millirobots in Underactuated Systems
Advanced Robotics Research, EarlyView.This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang +4 more
wiley +1 more source
Casting propellant in rocket engine [PDF]
, 1976 A method is described for casting a solid propellant in the casing of a rocket engine having a continuous wall with a single opening which is formed by leaves of a material which melt at a temperature of the propellant and with curved edges concentric to
Froehling, S. C., Roach, J. E.
core +1 more source
Advanced Science, EarlyView.Recent advances in materials and device engineering enable continuous, real‐time monitoring of muscle activity via wearable and implantable systems. This review critically summarizes emerging technologies for tracking electrophysiological, biomechanical, and oxygenation signals, outlines fundamental principles, and highlights key challenges and ...
Zhengwei Liao +4 more
wiley +1 more source
Investigation of the causes of the fracture of the drive shaft of the electric locomotive [PDF]
Advanced Engineering LettersThe paper provides a systematic analysis of the origin, spread, and causes of shaft failure in the four-axle electric locomotive series 441. Based on this analysis, recommendations for preventive diagnostic maintenance are provided to timely identify the
Dušan Golubović, Raul Turmanidze
doaj +1 more source
Electromechanical control actuator system Patent [PDF]
, 1971 Electromechanical control actuator system using double differential ...
Tschunko, H. F. A.
core +1 more source
Advanced Science, EarlyView.This study harnesses hydrodynamic flows to generate, confine and stimulate stem cell spheroids, enabling the large‐scale production of extracellular vesicles (EVs). This innovative method not only streamlines spheroid formation and subsequent EV release in a single, integrated process, but also ensures the generation of EVs with enhanced biological ...
Solène Lenoir +7 more
wiley +1 more source
Jixie chuandong, 2009 The hollow enter shaft is an important component of the wind generator accelerator. It belongs to large complex parts and has higher request on the strength. And its structure affects the normal operation of wind turbine.
蒋苏民, 侯力, 马朝玲, 陈毅
doaj
Advancements and development trends in plastic forming technologies of hollow shafts
Cailiao gongchengAs a core component in the industrial sector， the efficient and high-precision forming of hollow shafts is crucial for ensuring product performance and improving production efficiency.
ZUO Jinrong +7 more
doaj +1 more source