Results 41 to 50 of about 605,830 (356)
IEEE Access, 2021 Energy efficient conversion and saving technologies have increasingly become areas of fierce competition among countries all over the world. As a vehicle power multiplier, the turbocharger advances the power output of the engine, but also increases the ...
Ke Yan +3 more
doaj +1 more source
The use of active controls to augment rotor/fuselage stability [PDF]
, 1985 The use of active blade pitch control to increase helicopter rotor/body damping is studied. Control is introduced through a conventional nonrotating swashplate. State variable feedback of rotor and body states is used.
Straub, F. K., Warmbrodt, W.
core +1 more source
Electroactive Metal–Organic Frameworks for Electrocatalysis
Advanced Functional Materials, EarlyView.Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska +7 more
wiley +1 more source
Rotor-Obstacle Aerodynamic Interaction in Hovering Flight: An Experimental Survey [PDF]
, 2016 Despite the presence of a fair number of numerical and experimental works on the rotor-obstacle interaction, a systematic study of the aerodynamic phenomena involved is lacking.
Giuni, Michea +2 more
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Comparative Study of 3-Bladed and Sсissors Tail Rotors Aerodynamics in Axial Flow [PDF]
, 2022 Pavel Vyacheslavovich Makeev +3 more
openalex +1 more source
Photoswitching Conduction in Framework Materials
Advanced Functional Materials, EarlyView.This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez +4 more
wiley +1 more source
A Novel Method for Identifying Tool–Holder Interface Dynamics Based on Receptance Coupling
MachinesThe structural dynamics of a machine tool play a significant role in chatter occurrence, which significantly deteriorates the metal-cutting performance.
Dingtang Zhao +4 more
doaj +1 more source
Deflection estimation of industrial robots with flexible joints
Fundamental Research, 2022 The application of industrial robots in manufacturing industries has received considerable concerns due to the high flexibility, multifunctionality, and cost-efficiency.
Huan Liu +4 more
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Lifting surface theory for a helicopter rotor in forward flight [PDF]
, 1984 A lifting surface theory was developed for a helicopter rotor in forward flight for compressible and incompressible flow. The method utilizes the concept of the linearized acceleration potential and makes use of the vortex lattice procedure. Calculations
Runyan, H. L., Tai, H.
core +2 more sources
Advanced Functional Materials, EarlyView.This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva +9 more
wiley +1 more source