Page 16 - Vertical City
P. 16

16 The vertical city

     the maximum (100%) corresponds to 1100 kWh/m2
     per year 15 [figure 1].
  –– day light (in lux) for each day and hour of the year
     on vertical surfaces to the north, south, east and
     west as well as on horizontal surfaces [figure 2].

                                              [figure 1]
                                              solar energy intake at every point of the
                                              hemisphre that surrounds us (100% =
                                              1100 kWh/m² year).
15	It is interesting to note that a vertical surface oriented to the north
     still receives 35% of this energy!
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