Results 231 to 240 of about 3,085,452 (343)

Aerodynamic performance enhancement of Archimedes spiral wind turbine blades through surface modifications: A numerical and experimental study. [PDF]

Sci Rep
Faisal AE, Lim CW, Abdulameer Jabbar Al-Quraishi B, Milano J, Hong TC, Chen CP.   +5 more
europepmc   +1 more source

Experimental Study of Drag-Reduction Devices on a Flatback Airfoil

, 2016
M. Manolesos, S. Voutsinas
semanticscholar   +1 more source

Design Challenges to Expand the Functionality of Drones: Deformable Rotorcraft and Nature‐Inspired Flapping Drones

Advanced Intelligent Systems, EarlyView.
This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee, Sumin Jung, Jinwoo Jang, Yeji Han, Minchae Kang, Jihun Seong, Suyeon Seo, Eunsol Park, Haesol Kwak, Min‐Woo Han   +9 more
wiley   +1 more source

Research Progress Perspectives of Functional Superslippery Coatings with Drag Reduction for Petroleum Pipeline Transportation. [PDF]

ACS Omega
Zhang J, Zhang S, Wang T, Wang L, Cheng Y.   +4 more
europepmc   +1 more source

A Novel Milli‐Scale Magnetic Robot Exploiting Rotation for Controlled Magnetic Particles Release

Advanced Intelligent Systems, EarlyView.
Delivering magnetic particles can become a game changer in minimally invasive medicine. To cope with this challenge, a magnetically actuated milli‐scale carrier leveraging rotation to perform on‐demand tunable release of magnetic particles across multiple release events is presented.
Giordano De Angelis, Tamerlan Srymbetov, Arianna Menciassi, Veronica Iacovacci   +3 more
wiley   +1 more source

An analytical model for quantitative evaluation of friction drag in directional sliding drilling. [PDF]

Sci Rep
Ma Z, Zhang H, Hu H, Li G, Tian S, Zhang Y, Wang T.   +6 more
europepmc   +1 more source

Stimuli‐Responsive Electrofluidic Nervous System for Autonomous Soft Robots

Advanced Intelligent Systems, EarlyView.
A stimuli‐responsive electrofluidic nervous system (SENS) is introduced to achieve sensing, signal processing, and decision‐making using soft materials. Comprising fluidic switches and electroactive actuators, SENS enables multimodal stimuli‐responsiveness and autonomous control in soft robots.
Dip Kumar Saha, Dana Ragab, Nicolas Herzig, Hareesh Godaba   +3 more
wiley   +1 more source

Shape Parameterization and Efficient Optimization Design Method for the Ray-like Underwater Gliders. [PDF]

Biomimetics (Basel)
Zhang D, Zeng D, Zhou H, Bao C, Liu Q.
europepmc   +1 more source

Electropermanent Magnetic Muscles: Power‐Efficient, Low‐Voltage, Compact Magnetic Actuators to Power Wearables and Untethered Robots

Advanced Intelligent Systems, EarlyView.
This work presents compact, low‐voltage actuators based on electropermanent magnetic interactions. The actuators show good overall performance across key metrics and are implemented in wearable devices and untethered robots. Their ability to operate in different configurations and hold positions without energy input highlights their potential for ...
Arturo Castillo Ugalde, Carina Carrasco, Brijesh Chavda, Thileepan Stalin, Pablo Valdivia y Alvarado   +4 more
wiley   +1 more source