Month: December 2019

  • A mind map for BoP

    A mind map for BoP

    Yesterday while I was traveling to meet my family in Italy I started thinking at how a mind map for the BoP would look like. Luckily the train had a free internet connection and I have found a bunch of website helping you to create a mind map online (for this particular exercise I have…

  • Vortex bladeless wind turbines

    I have always seen the wind induced vortexes as a problem – they create vibrations in the tower, that in some cases can start to resonate with the eigenfrequencies (the natural frequencies of the structure) and in the most extreme cases even collapse. The existence of such vibrations is one of the reasons why it looks…

  • How many of us are there? Wind energy sector employees

    It is no secret that the wind business is going through a turbulent period, with several players in the sectors experiencing a tough time. I was wondering how many people are currently employed in Wind and I have found this interesting report from IRENA (the International Renewable Energy Agency). I have discovered several interesting things:…

  • Wind turbine tower as a water battery: the Gaildorf Wind-Water Project

    Did you ever think at the amount of empty, unused space in the bottom of a wind turbine? Any idea how to use it? Well, the folks at Max Bögl (a German conglomerate active in several sectors) have decided that it could be a good idea to fill it with water (about 40.000 m3 per turbine,…