I am still confused and befuddled!
On Mar 6 , at 2:22 PM, John M. Steele wrote:
I'm not sure it is the same article (no table in it) but the same
newspaper, and concept car:
http://www.washingtontimes.com/news/2009/mar/06/new-kia-no-3-concept-car-stars-at-geneva-show/
The 15 kW 105 Nm rating is the supplemental electrical motor as
explained in the article. The output of the gasoline engine is not
revealed.
The article referenced above states:
"The cee'd Hybrid being shown in Geneva uses an upgraded powertrain
with Kia's Gamma 1.6-litre gasoline engine, mated to a 15 kW, 105 Nm
AC synchronized electric motor, a CVT transmission and the new ISG
(Idle Stop & Go) system."
I still am interested in learning what the meaning is of the term "105
Nm AC". I am sure that the "15 kW" is the power of the electric engine
but the "105 Nm AC" does not seem to make sense.
The symbol "Nm" is not the proper symbol for ANYTHING in SI metric.
The best one can infer (assuming it is intended to be an SI unit at
all) is that it was intended to mean "newton-metres", the proper
symbol for which is written either as " N m" or "N.m" or (preferably)
"N·m". However, that unit (newton-metres) can be used as a unit of
torque or a unit of energy (or work). Which is it?
If it is a torque, it makes sense as the torque applied by the
electric motor to turn the drive shaft and/or wheels of the vehicle.
But then, what does AC mean? Air conditioning? Alternating Current?
How would torque be relevant to air conditioning or alternating current?
If the newton-metres are supposed to be energy, then it makes little
sense at all. (The energy produced by an engine can be anything at
all, depending on how long one lets the engine run.) Furthermore, the
seemingly inapplicable terms "air conditioning" and "alternating
current" are just as confusing for energy as they are for torque.
Can anyone clarify this for me?
Regards,
Bill Hooper
Fernandina Beach, Florida, USA
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SImplification Begins With SI.
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