Heya folks, i have done a chunk of research (not my field!), and am having trouble relating the infomation im reading back to my specific query... which is:
regarding... the delicate balance between reducing the pumping losses by applying a bellmouth to a duct termination, and at the same time...
Heya folks, i have done a chunk of research (not my field!), and am having trouble relating the infomation im reading back to my specific query... which is:
regarding... the delicate balance between reducing the pumping losses by applying a bellmouth to a duct termination, and at the same time...
Hi Folks,
my own thoughts on this topic, and some others discussion have stalled... and thus, i open the floor to you guys.
basically I have no argument with the conventional numbers of manifold port and valve throat peak airflow velocities (in NA engines), and their relationship to rpm and...
( I originally posted this in the automotive section, but i think this forum is more appropriate. please see thread71-166172 )
Ive just been reading a few articles, in particular:
Wave reflections from duct terminations
A. Selamet and Z. L. Ji
and
The acoustics of racing engine intake...
Just been reading a few articles, in particular:
Wave reflections from duct terminations
A. Selamet and Z. L. Ji
and
The acoustics of racing engine intake systems
M.F. Harrisona,*, A. Dunkleyb
now ive typically designed my intake runners to terminate (either within an airbox, or atmosphere)...
Just wondering if anyone could shed some light on the advantages of having a venturi type reduction/expansion incorprated into the design of an exhaust collector, eg:
secondarily, what should the subsequent exhasut pipe look like? ie, if the collector reduces to 3", then expands to 3.5"...