Gurasees Messages 50 Reaction score 1 Thread starter May 12, 2019 #1 TL;DR The plate is in inclined position in a chamber where the air flows from bottom to top. The plate is in inclined position in a chamber where the air flows from bottom to top.
jrmichler Mentor Messages 2,469 Reaction score 3,629 May 14, 2019 #2 Try search terms air flow through perforated plate. You will get a number of good hits.