8
Aug, 2009
As part of my ongoing survey of all things related to sustainable design (or renewable energy or simply “green” ) I have started to take a look at wind energy. Almost immediately I was confronted with Betz’ law which sets a limit on the efficiency of a wind turbine to about 59%. In other words, I won’t be able to collect and convert the kinetic energy of the wind at a rate better than 59%. When … Read More