From: boris petkovic
Date: Fri, 25 May 2001 11:37:44 -0700 (PDT)
Subject: Re: [TSSP] Loss due to ultrasonic mechanical vibration of secondary?
--- Paul wrote:
> Hi All,
>
> Fishing around for additional loss mechanisms for a
> secondary coil,
> has anyone ever looked into the possibility that
> mechanical vibration
> of the winding at the RF frequency could be
> responsible for some part
> of the overall dissipation?
>
> Perhaps a winding which is less than perfectly rigid
> might cause
> minute inelastic deformations of the winding/former,
> especially in
> something like sonotube which presumably damps sound
> vibrations
> rather well.
>
> Just something to ponder.
>
---
This is a very brave idea and worth of checking.
Definitely,secondary system experince some losses via
sound energy.How much ,hard to tell.
Heck,I think you're on a good track!
Cheers,
Boris
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