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Forum: STAR-CCM+

July 30, 2014, 10:44

Replies: 7

temperature dependent deviation

Views: 1,357

Posted By hebeldebel

I looked at the gray thermal radiation...

I looked at the gray thermal radiation temperature, which was set to 333K and set it to the ambient temperature for each simulation, that seems to have decreased the deviation a lot, it went down to...

Forum: STAR-CCM+

July 25, 2014, 07:13

Replies: 7

temperature dependent deviation

Views: 1,357

Posted By hebeldebel

Some more information: The temperature readings...

Some more information:
The temperature readings of my measurements show, that for every 10 K I increase the ambient temperature, the LED temperature increases by 10 K as well. when I look at my...

Forum: STAR-CCM+

July 24, 2014, 06:53

Replies: 7

temperature dependent deviation

Views: 1,357

Posted By hebeldebel

I am using gray thermal radiation, because the...

I am using gray thermal radiation, because the power of the visible light output has already been removed from my equation to set the heat source power (the data from speos) and the...

Forum: STAR-CCM+

July 24, 2014, 05:33

Replies: 7

temperature dependent deviation

Views: 1,357

Posted By hebeldebel

Of course: I am simulating an LED on a...

Of course:

I am simulating an LED on a heatsink within a Lexan-box, which is kept inside a climate cabinet with a constant temperature. The simulation does not include the climate cabinet, nor the...

Forum: STAR-CCM+

July 24, 2014, 03:55

Replies: 7

temperature dependent deviation

Views: 1,357

Posted By hebeldebel

temperature dependent deviation

Hi,
I have a simulation which shows deviations from the measured temperature depending on the ambient temperature, in run it for.

e.g.
ambient temperature: 10 °C => deviation 11 K
ambient...

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