PPRuNe Forums - View Single Post - A320 noise change in descent at 1.8 Delta PSI
Thread
:
A320 noise change in descent at 1.8 Delta PSI
View Single Post
1st Jul 2017, 18:55
#
2
(
permalink
)
Intruder
Join Date: May 2000
Location: Seattle
Posts: 3,195
Likes: 0
Received 0 Likes on 0 Posts
High-pressure bleed valve opens when the engines are brought to idle, causing a temporary surge.
Outflow valves open to reduce the pressure differential, allowing greater air flow through the airplane.
Reply
Intruder
View Public Profile
Find More Posts by Intruder