Results 121 to 130 of about 3,085,452 (343)
Energies, 2018 The dynamic response of floating horizontal axis wind turbines (FHWATs) are affected by the viscous and inertia effects. In free decay motion, viscous drag reduces the amplitude of pitch and roll fluctuation, the quasi-static mooring system overestimates
Tao Luo +3 more
doaj +1 more source
Effect of Boundary Constraints on the Nonlinear Flapping of Filaments Animated by Follower Forces
, 2019 Elastically driven filaments subjected to animating compressive follower forces provide a synthetic way to mimic the oscillatory beating of active biological filaments such as eukaryotic cilia.
Fatehiboroujeni, Soheil +2 more
core
Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review
Advanced Robotics Research, EarlyView.Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley +1 more source
Evaluation of Various Flow Control Methods in Reducing Drag and Aerodynamic Heating on the Nose of Hypersonic Flying Objects [PDF]
Journal of Applied Fluid MechanicsEffective deduction of air heating load and drag is a critical issue in hypersonic vehicle engineering applications. In this research, seven various geometrical models have been proposed to study and compare the effect of each configuration on the flow ...
S. Abbasi, S. Esmailzadeh Vali
doaj +1 more source
Study of Drag Coefficients in Solar Panel Under Wind Loads
Revista Cubana de Ingeniería, 2017 Due to the geographical situation of Cuba the wind plays an important role in the design of the solar panels. The aim of the research is to evaluate the differences that appear in the support reactions of the panel, due to pressures acting, in correspondence with the implementation of the Cuban standard NC-285: 2003 but varying the pressure coefficient
Alejandro López Llanusa +3 more
openaire +1 more source
Collision‐Resilient Winged Drones Enabled by Tensegrity Structures
Advanced Robotics Research, EarlyView.Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui +5 more
wiley +1 more source
Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion
Advanced Robotics Research, EarlyView.This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley +1 more source
Modelling of Structural Loads in Drag Augmented Space Debris Removal Concepts [PDF]
, 2017 A Self-deployable Deorbiting Space Structure (SDSS) is used for drag augmented space debris removal. A highly flexible frame allows for a folding of the structure by bifurcation. This research models the structural loads during the deployment and unfolding of the drag sail in Low Earth Orbit (LEO). The Spacecraft travels with 7.8 km/s at deployment. As
Kristensen, Anders Schmidt +2 more
openaire
Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots
Advanced Robotics Research, EarlyView.This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li +4 more
wiley +1 more source
State of the art of metalclad airships [PDF]
, 1975 Metalclad airship development of the past history are considered along with the immediate prospects for continuation of the development of these airships.
Pavlecka, V. H., Roda, J.
core +1 more source