Hi,
Thank you all for reply, I am sorry the question is rather vague.
Thank you for the advice I just couldn't get my head around what my main factor would be to keep rain out, air velocity makes a lot more sense now thinking about it.
Great point with the “ponding” problem, this shouldn't be...
Hello apologies if the answer to this exists in another thread.
I would like to pressurize a box with air to prevent rain from entering said box through 4 slots, each 4mm wide and 84mm long, located on the top face. The internal dimensions of the box are 265mm High, 800mm Long and 90mm Wide...