Results 221 to 230 of about 74,669 (264)

Jet Propulsion of Rotor Blades

The Journal of the Helicopter Association of Great Britain, 1950
From the very beginning of helicopter development the designer has had two major problems, one associated with the balancing of the torque reaction on a mechanically driven rotating system, and the other one that of mechanical difficulties associated with the transmissions ISACCO for instance realized right at the beginning that what he wanted was some
openaire   +1 more source

Rotor blade design

Air Medical Journal, 2004
openaire   +2 more sources

Rotor blade element with anti-icing surface for wind turbine rotor blades

2015
A rotor blade element with a heatable foil (2, 3, 6) comprising a thermoplastic elastomer (TPE) and elec­ tric conductive elements (4), a wind power plant comprising this rotor blade element and a process for producing the ro­ tor blade element comprising the steps: I) introducing a heat­ able foil (2, 3, 6), comprising a thermoplastic elastomer (TPE ...
Dias Borges Vianna, Sulivan, Tomović, Ž.   +1 more
openaire  

Modulating crystal growth of formamidinium–caesium perovskites for over 200 cm2 photovoltaic sub-modules

Nature Energy, 2022
Tongle Bu, Luis K Ono, Jie Su
exaly  

Rotor Blade Flapping Criteria Investigation.

1976
Abstract : The objective of this study was to identify helicopter characteristics critical to main rotor flapping and to attempt to establish flapping design criteria. Three helicopter types and three rotor systems were simulated in steady flight an maneuvers using the hybrid version of C81, Rotor craft flight Simulation Program.
openaire   +1 more source

High-speed sequential deposition of photoactive layers for organic solar cell manufacturing

Nature Energy, 2022
Christoph J Brabec
exaly  

Large‐Area Blade‐Coated Solar Cells: Advances and Perspectives

Advanced Energy Materials, 2021
Chuantian Zuo, Wu-Qiang Wu, Liang Shen
exaly  

Analysis of composite rotor blades

1996
The purpose of this chapter is to provide an insight into the behavior of composite rotor blades, their modeling and the associated analysis methodologies. From a structural point of view, blades are usually treated as slender structures. This category includes all structures where one of their dimensions is much larger than the others.
openaire   +1 more source

Manipulating Crystallization Kinetics in High‐Performance Blade‐Coated Perovskite Solar Cells via Cosolvent‐Assisted Phase Transition

Advanced Materials, 2022
Kuan Liu, Ming-Zi Sun, Zhiwei Ren
exaly  

Scalable two-terminal all-perovskite tandem solar modules with a 19.1% efficiency

Nature Energy, 2022
Bahram Abdollahi Nejand, David B Ritzer, Hang Hu   +2 more
exaly