From: Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: Sunday, September 21, 1997 6:17 PM
Subject: Re: STUPID SIMULATIONS
> >From: Mark S. Rzeszotarski, Ph.D.[SMTP:msr7-at-po.cwru.edu]
> >Sent: Friday, September 19, 1997 2:16 AM
> >To: Tesla List
> >Subject: Re: STUPID SIMULATIONS
> >Hello All,
> > I couldn't resist chiming in on this one. One must accept a model
> >for what it can do. Generally, it can predict what it was told to do quite
> >faithfully. The fundamental flaw is that we want to extrapolate and
> >interpret these results as all meaningfull. I see the same thing frequently
> >in the medical literature. Some clown does a scientific study of some new
> >drug or diagnostic test and fails to control most of the variables of the
> >experiment. They then proceed to draw conclusions from their experiment
> >that could not be measured or predicted by the experiment they conducted.
> >If you are interested in looking at a few examples and methods for achieving
> >this end, take a look at:
> > Models can be very useful and have saved me hundreds of hours in the
> >lab. By building a few coils to verify a simulation, I can gain experience
> >and understanding as to whether the model is sufficient or not.
> > Finally, if you want to know the optimal H/D for a 6 inch coil, I
> >need to know what top capacitance you expect to operate the coil with. Then
> >I can tell you what wire gauge and the H/D necessary to satisfy the
> >constraints of my program. This is NOT to say that the coil will be an
> >optimal performer.
> >Mark S. Rzeszotarski, Ph.D.
I would be interested if you did a run on a 6.6" coil, Hs about 21"
with a topload of 7pF. On what basis are you choosing the wire size?