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Re: Bert Pools Formula for Capacitance of a Toroid
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To: tesla-at-grendel.objinc-dot-com
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Subject: Re: Bert Pools Formula for Capacitance of a Toroid
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From: Esondrmn-at-aol-dot-com
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Date: Thu, 7 Mar 1996 17:44:47 -0500
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In a message dated 96-03-07 13:25:37 EST, you write:
>Greetings,
>
> I would appreciate it if someone could clarify the numerator of the
>radicand in Bert Pools formula for the capacitance of a Toroid? I have
>downloaded it in two different files, and it always seems to have been
>rearranged when it arrives.
>
> The part of the numerator that I am not entirely sure of appears to be
>(2pi)^2. If this is so, then the radicand could be simplified.
>
> Any comments would be appreciated.
>
>
> Jim Watson
Jim,
The formula under the square root sign should read:
2 pi^2 (d1-d2) (d2/2) all divided by 4 pi.
I agree, it can be reduced to: pi (d1-d2) (d2/2) all divided by 2.
Ed Sonderman