Exhaust Speed
Honda-Tech Member
Joined: Jan 2003
Posts: 543
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From: Los Angeles, CA
Re: Exhaust Speed (crj_lll)
This is how you could mathematically calculate exhaust speed.
A=Cross sectional area of exhaust piping
V=Exhaust Velocity
M=Volumetric Flow rate
N=Engine RPM/60
D=2.2L displacement
For a given RPM, this is the formula to calculate exhaust speed.
V=M/A=D/2*N*1/A
Make sure you use the right units!
This yields an average exhaust speed, but remember that the exhaust gases flow in pulses. 2 pulses per engine revolution for the H22.
A=Cross sectional area of exhaust piping
V=Exhaust Velocity
M=Volumetric Flow rate
N=Engine RPM/60
D=2.2L displacement
For a given RPM, this is the formula to calculate exhaust speed.
V=M/A=D/2*N*1/A
Make sure you use the right units!
This yields an average exhaust speed, but remember that the exhaust gases flow in pulses. 2 pulses per engine revolution for the H22.
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