Re: Thermal Inductance
- From: Helmut Wabnig <EmailAddress>
- Date: Mon, 15 Aug 2005 21:29:07 +0200
On Mon, 15 Aug 2005 13:30:50 -0500, "s.morra" <s.morra@xxxxxxxxxxx>
wrote:
>As an example, from page 34 of
>http://web.mit.edu/2.151/www/Handouts/EnPwrFlow.pdf (other references easy
>to find)
>
>"Thermal Inductance: No significant physical phenomenon has been observed
>which corresponds to energy storage due to heat flow in a "thermal inductor".
>Thus only one thermal energy storage element, the thermal capacitance, is
>defined."
>
>and of course, we have thermal resistance.
>
>So it appears that thermal resistance and thermal capacitance but no thermal
>inductance phenomena have been observed. Does anyone know of any cases
>where thermal inductance has been observed?
>
let us have a look at the characteristics of a capacitor:
(fixed pitch font)
A stepwise increase in Voltage (temperature)
will result in a slowly decreasing current
(a certain resistance assumed in the conductors)
Voltage difference (temperature difference)
_______________
I
I
I
----I
Current (Ampere, calories per sec)
*
I *
I *
I *
---- *
For an inductor we expect the following characteristic
Voltage (temperature)
_______________
I
I
I
----I
current (calories per sec)
*
*
*
*
*
----*
How can we possibly make such an object?
w.
.
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