Evaporative Cooling
Evaporative cooling is : - Lightweight, durable and non-toxic -Easy to activate and re-usable -Offers many hours of cooling relief and protection - Ce-mark certified -Cheap

-A cheap solution to supply it many people
-A solution which do not increase virus risk ( must not loose outside protection anytime. ( e.g. flowing cold air inside from a surface hole on wearing etc. )
-Must be portable.
-Must not cause extra energy consumption neither as electricty or as human effort (e.g carrying a cooler source)
-Must not slow down the user (e.g. with extra weight, connection to a cooler source etc.)
And;
-Africa is hot
-Evaporation is endothermic (an endothermic process absorbs heat and cools the surroundings.)
-A layer of thin wearing is light, has no risk and does not restrict mobility
Here is a simple solution:
http://www.techniche-intl.com/catalogus/evaporative-cooling.html
-Simply dunk the item in water for approximately 1 - 2 minutes
-Gently squeeze out the excess water
-Wear
5 comments
Join the conversation:
CommentOpenIDEO