View Single Post
Old 2006-03-14, 09:16 AM   #63
AtomicLabMonkey
Nightwalker
 
AtomicLabMonkey's Avatar
 
Real Name: Austin
Join Date: Dec 2002
Location: Oshkosh, WI
Posts: 4,063
 
Car: '13 WRX
 
YGBSM
Default

Quote:
Originally Posted by cody
The reason DP's are the widest part of the exhaust system at their leading opening (idealy no more than 10% larger than the exhaust port of the turbo) is to destroy the vortex the turbo creates. The gases would take longer to travel the length of the DP if they are swirling.
As I recall from NACA data fluid is pretty turbulent for at least 10-15 diameters down a pipe run after a fan/compressor no matter what you do to the pipe inlet.
__________________
"None of you seem to understand. I'm not locked in here with you.. you're locked in here with me."
AtomicLabMonkey is offline   Reply With Quote