Intake tube upgrade
08-08-2013, 07:12 AM
#92
On The Tree
Join Date: May 2013
Location: Jennings LA
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Your boost temp bit is more confusing than the real thing...
To actually find it, use the isentropic compression equation with your turbos compressor map (to identify comp efficiency point).
T2=t1*(p2/p1)^((k-1)/k)/eff where p is in absolute pressures, k is ratio of specfic heats (1.4 for air), t is in absolute temps, and eff is compressor efficiency.
So by your example
t1=90f=305.4k ,p1=14.7, p2=24.7, eff=70% so t2 would be 532k or 498 degrees f. Yes it really is that hot xoming off a turbo. If the process was 100% efficient it would still be 210f, at 50% its 880f. This is why its important to size a compressor properly.
80f t1 @10psi boost @70% eff would be 480f, so 10 degrees before is 18 after.
To actually find it, use the isentropic compression equation with your turbos compressor map (to identify comp efficiency point).
T2=t1*(p2/p1)^((k-1)/k)/eff where p is in absolute pressures, k is ratio of specfic heats (1.4 for air), t is in absolute temps, and eff is compressor efficiency.
So by your example
t1=90f=305.4k ,p1=14.7, p2=24.7, eff=70% so t2 would be 532k or 498 degrees f. Yes it really is that hot xoming off a turbo. If the process was 100% efficient it would still be 210f, at 50% its 880f. This is why its important to size a compressor properly.
80f t1 @10psi boost @70% eff would be 480f, so 10 degrees before is 18 after.
08-17-2013, 07:12 AM
#96
Staging Lane
Join Date: Jul 2005
Location: Shreveport, LA
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Look up the word 'motor' and familiarize yourself with the definition.
It's NOT just the electrical units that can be called a motor. So can an internal combustion engine.
mo·tor
/ˈmōtər/
Noun
A machine, esp. one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device...
/ˈmōtər/
Noun
A machine, esp. one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device...
motor
Use Motor in a sentence
mo·tor [moh-ter] Show IPA
noun
1.
a comparatively small and powerful engine, especially an internal-combustion engine in an automobile, motorboat, or the like.
2.
any self-powered vehicle.
3.
a person or thing that imparts motion, especially a contrivance, as a steam engine, that receives and modifies energy from some natural source in order to utilize it in driving machinery.
4.
Also called electric motor. Electricity . a machine that converts electrical energy into mechanical energy, as an induction motor.
5.
motors, stocks or bonds in automobile companies.
Use Motor in a sentence
mo·tor [moh-ter] Show IPA
noun
1.
a comparatively small and powerful engine, especially an internal-combustion engine in an automobile, motorboat, or the like.
2.
any self-powered vehicle.
3.
a person or thing that imparts motion, especially a contrivance, as a steam engine, that receives and modifies energy from some natural source in order to utilize it in driving machinery.
4.
Also called electric motor. Electricity . a machine that converts electrical energy into mechanical energy, as an induction motor.
5.
motors, stocks or bonds in automobile companies.
08-17-2013, 10:07 PM
#99
I just created another photobucket so now Ill start sharing my pics
here is the new intake for my turbo in steps
4in to 5in insert that I trimmed the width to fit the turbo and elbow
5in to 6in 90* reducing elbow
looking into the elbow
Filter and 6in alum tube
old filter that used to be right on the turbo vs new elbow and beast of a CAI.
The turbo spool is louder and should now be able move more than enough air. Thanks Atomic and Gadgetized.
here is the new intake for my turbo in steps
4in to 5in insert that I trimmed the width to fit the turbo and elbow
5in to 6in 90* reducing elbow
looking into the elbow
Filter and 6in alum tube
old filter that used to be right on the turbo vs new elbow and beast of a CAI.
The turbo spool is louder and should now be able move more than enough air. Thanks Atomic and Gadgetized.