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Re: Tesla Coil Operation - was "Harmonics"




  Bryan -

  Doesn't your mechnical analogy represent just the single RCL circuit of
the TC primary or secondary circuit but not both coils coupled? Your
mechnical analogy appears to be similar to Maxwell's differential machine
which represents a 2nd order differential equation.

  A mechanical analogy of a Tesla coil would have to represent a 4th order
differential equation as shown by the Corum's in their TCTUTOR book. This
means there would be 7 variables including the mutual inductance. Also, the
operating spark gap would have to be included. To my knowledge no one has
ever devised such a mechanical model. 

  I admit, however, that the spring/damper/mass model and the pendulum
systems make excellent mechanical models for demostrations of certain Tesla
coil operations.

  John Couture

------------------------------

At 12:26 PM 2/1/99 -0700, you wrote:
>Original Poster: Bryan Work <bryan-at-apexrad-dot-com> 
>
> The best mechanical analogy of magnetic induction is a turbocharger or a
>turbine.
>Flow (current) -at- pressure (voltage) feeds the input tubine (primary) which is
>coupled by a slip ring or differential shaft to the output turbine
(secondary)
>to generate a flow and pressure in the output. The induction can be
understood
>in an AC circuit by adding correlates of oscillation to the flow. Any rigid
>mechanical analogy will suffer from the distance of solid behavior from
fluid.
>
>> Original Poster: "John H. Couture" <COUTUREJH-at-worldnet.att-dot-net>
>>
>>  Scott -
>>
>>  <<snip>>
>
>> For example the Tesla coil utilizes induction
>> which can not be simulated mechanically.
>
>> <<snip>>