The mid-blade end (148) of the outboard blade section (108) is joined to the mid-blade end (114) of the inboard blade section (106).
An airfoil having an inboard blade section (106) and an outboard blade section (108).
Each elongated opening defines an inducer section and a blade receipt section to retain a hollow fan blade section.
The inboard blade section (106) has a mid-blade end (114), and the inboard blade section (106) includes a biplane wing (116).
The outboard blade section (108) has a mid-blade end (148), and the outboard blade section (108) includes a monoplane wing (156) with a third airfoil cross-section (158).
Piezoelectric elements (123, 133) are attached to the base section (110) side of the blade section (113).
Piezoelectric elements (122, 132) are attached to the base section (110) side of the blade section (112).
All the blade sections comprised between the foot section (Spied) and a blade section (S30) positioned at a radial height corresponding to 30% of the total radial height of the blade have a skeleton curve having an inflection point.
Piezoelectric elements (121, 131) are attached to the base section (110) side of the blade section (111).
Each propelling paddle (20,22) defines a corresponding effectuating section (24) and a corresponding blade section (26).
Each elongated opening defines an inducer receipt section to receive an inducer section (66) and a hollow fan blade section (72).
Each elongated opening defines an inducer receipt section (117) to receive an inducer section (66) and a hollow fan blade section (72).
A main rotor blade assembly with a high negative pitching moment airfoil section having a pitching moment coefficient beyond (more negative than) -0.035 at Mach Numbers below 0.80 and a blade taper of 1:5 or greater..
The main blade section at the first end is provided with a number of connection elements, each connection element being pivotally engaged with the main blade section about a rotational axis.
The invention further relates to a method for preparing a wind turbine blade section as mentioned above.
A method for receiving a blade section in the cradle is further described.
A method of manufacturing a variable vane, capable of controlling the dimensions of a shaft section and a blade section to desired accuracy without cutting.
In addition, the noise generated by the wind in the process of the rotation of the rotating blade section may be largely reduced.
The rotor further comprises a set of frame structures, and each frame structure of the set of frame structures interconnect the number of blade sections and form a node at each blade section.
An inducer exhaust from each inducer section is located adjacent a core airflow passage (80) within each fan blade section to provide communication therebetween.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Traduction Translation Traducción Übersetzung Tradução Traduzione Traducere Vertaling Tłumaczenie Mετάφραση Oversættelse Översättning Käännös Aistriúchán Traduzzjoni Prevajanje Vertimas Tõlge Preklad Fordítás Tulkojumi Превод Překlad Prijevod 翻訳 번역 翻译 Перевод