Alternative Force Induction
05-20-09, 04:23 PM
#1
Alternative Force Induction
Ok, this may never happen, however the mind is always turning those gears...
I'm toying with the idea of fabricating a Tesla Turbine in order to provide force induction in car. I've heard that these turbines can achieve 90% efficiency, and I've never seen it done on a car before. Good ole Nikola is responsible for a lot of our creature comforts, so I thought id take his genius and apply it to Wankel's design.
Ill try to post up some diagrams by friday as to what exactly I've been contemplating...
Keep the b.s. and the naysaying to a minimum, constructive criticism only please. Remember I'm only proposing the idea at this point for EDUCATED OPINION.
I'm toying with the idea of fabricating a Tesla Turbine in order to provide force induction in car. I've heard that these turbines can achieve 90% efficiency, and I've never seen it done on a car before. Good ole Nikola is responsible for a lot of our creature comforts, so I thought id take his genius and apply it to Wankel's design.
Ill try to post up some diagrams by friday as to what exactly I've been contemplating...
Keep the b.s. and the naysaying to a minimum, constructive criticism only please. Remember I'm only proposing the idea at this point for EDUCATED OPINION.
05-20-09, 04:57 PM
#6
commit(rnd()&sense-acts)
I'd never heard of the Tesla Turbine before so this was a good excuse to go do some reading on it. I think if you drove the disks with a belt - similar to a typical supercharger - and used the center as an intake with the high-pressure side forcing the induction you're on the right track. And since the gasses you're dealing with are cool you shouldn't have to deal with disk warping described in some of the early trials.
I'm highly intrigued and have access to a machine shop including a CNC plasma cutter
I'm highly intrigued and have access to a machine shop including a CNC plasma cutter
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05-20-09, 05:36 PM
#8
commit(rnd()&sense-acts)
05-20-09, 06:15 PM
#9
Rotorhead
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Location: Charlottesville, Virginia, USA
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First calculate the size and rpm needed to support the airflow and pressure requirements for a 13B engine, and then the educated discussion can begin. Until you do this you will get nothing but the b.s. that you are trying to avoid.
05-21-09, 01:39 PM
#11
Now, I've just got to do the math.... I'll get back to ya'll on that.
*opens his old advanced physics book*
05-21-09, 03:44 PM
#13
commit(rnd()&sense-acts)
Agreed. While I am no engineer, I am not an absolute moron (flame on.) and the calculations are not entirely too complex. But speaking as far as basic elements I would need to calculate the size of the turbine to create a desired cfm of airflow at a desired rpm. I would then need to calculate the size of the pulley to drive said turbine at desired RPM, perhaps a clutch operated pulley? Add a wot switch, standalone EMS, and upgrade the fuel. Those are the basics. I'm thinking that a wastegate could be designed in to help regulate boost pressure. In essence design a boost leak to control the amount of pressure actually getting into the intake..... This would somewhat simplify things I think.
Now, I've just got to do the math.... I'll get back to ya'll on that.
*opens his old advanced physics book*
Now, I've just got to do the math.... I'll get back to ya'll on that.
*opens his old advanced physics book*
I love the idea of an electric drive. Yeah, I know, the power has to come from somewhere. BUT... if the electric motor was kept at a constant speed, and the INTAKE side of this booster had a butterfly valve the motor would only see a load when the butterfly was opened. The no-load current draw of the motors I was looking at is in the milliamp range. You'd have to have a bypass air channel and only use this to add additional pressure. But then the current draw most of the time would be minimal, the turbine would stay spooled up, and it would produce pressure and draw current only when the valve was opened (when air is loaded onto the vanes).
Nice writeup on electric motor operations in here: http://www.allaboutcircuits.com/
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