Johannes Naumes

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Wind Energy Systems#R##N#Optimising Design and Construction for Safe and Reliable Operation | 2011

Milan Veljkovic; Markus Feldmann; Johannes Naumes; Daniel Pak; Luís Simões; da Silva; Carlos Rebelo

: Higher towers for wind turbines are the main trend to achieve better effectiveness in the conversion of wind energy to electrical energy. This leads to an increasing contribution of the tower costs to the total investment costs. Optimization of the structural design by improving the design of connections in the tower is an important issue for the competitiveness of the wind energy sector. The basis of the design model of the flange connection and the possibilities of retrofitting are shown. A short overview of the main structural solutions for towers and the most common criteria for the design are provided in the text.

Archive | 2012

Milan Veljkovic; Christine Heistermann; Wylliam Husson; Marouene Limam; Markus Feldmann; Johannes Naumes; Daniel Pak; T. Faber; M. Klose; K-U Fruhner; L. Krutschinna; C. Baniotopoulos; I. Lavasas; Ana Claudine Pontes; Expedito E. Ribeiro; M. Hadden; Rog '{e}rio de Sousa; L. da Silva; Carlos Rebelo; Rui Simões; José Henriques; Rodrigo Antônio Torres Matos; J. Nuutinen; H. Kinnunen

Innovative solutions for assembling joints of a tubular tower for wind turbines were studied and the project provides a background for design. This solution is simpler to produce and 80 % less expe ...

Steel Construction | 2010