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Thermal Conductivity Rules?


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Heat transfers with the average of the two conductivities instead of the minimum.  The exception is for things that are insulators (insulated walls, insulated pipes, etc) which still transfer heat at the minimum of the two conductivities.

4 minutes ago, KittenIsAGeek said:

Heat transfers with the average of the two conductivities instead of the minimum.  The exception is for things that are insulators (insulated walls, insulated pipes, etc) which still transfer heat at the minimum of the two conductivities.

I don't think that's quite right unless I missed a patch note.  It now uses the log average instead.

Isn't there an additional modifier for things that are classified as a "building"?  So Tiles will react differently than Storage Compactors, for example.  And it gets stranger from there with Pipes and Tempshift Plates.  Or did I understand all of that wrong the last time I tried to read through it?

There are several kinds of object in game. 

And personally, I divide heat transfer into 4 kinds. Grid & Building, Grid & Grid, Grid & Entity, Building & Its storage. (Grid also including buildings which occupy grids, such as tile and airlock)

As you can see, even before the log average update, the lowest TC was not applicable in all situations. So I also doubt log average TC is not applicable in all situations now, though I don't have any proof.

15 minutes ago, PhailRaptor said:

Pipes and Tempshift Plates

What's wrong with them? Both of them are buildings, so they don't react with each other directly, they need Grid as medium.

As far as I can see, solid tiles change temperature lot faster, liquid fast and gases slow.

Objects exchange temperature only with cell they are in, not with one another or tile they are lying on (so, ice and nearly magma-hot igneous rock can lay in same cell).

Objects exchange temperature with their contents.

Temp shift plate is an object, present in 9 cells. Here is important consequence - two temp shift plates do not exchange temperature with one another, only with cells. So it is useless to put two temp shift plates near in vacuum they do not exchange heat

14 hours ago, Prince Mandor said:

As far as I can see, solid tiles change temperature lot faster, liquid fast and gases slow.

There is a "area multiplier" to increase the conductivity of liquids and gases by 25.

(Gases seem slower cause the heat exchange is rounded dependent on the total energy difference of the two "entities(including buildings)"

 

14 hours ago, Prince Mandor said:

Temp shift plate is an object, present in 9 cells. Here is important consequence - two temp shift plates do not exchange temperature with one another, only with cells. So it is useless to put two temp shift plates near in vacuum they do not exchange heat

I got some setups where I want do move heat inside a vacuume so I use a chain of temp shift plates close to metal tiles)

33 minutes ago, Lilalaunekuh said:
14 hours ago, Prince Mandor said:

Temp shift plate is an object, present in 9 cells. Here is important consequence - two temp shift plates do not exchange temperature with one another, only with cells. So it is useless to put two temp shift plates near in vacuum they do not exchange heat

I got some setups where I want do move heat inside a vacuume so I use a chain of temp shift plates close to metal tiles)

I do something like that in the roof of my Steam geyser chamber, to condense the Steam rapidly and prevent the Geyser from going Overpressure.  Wheezewort box with a floor of Gold Metal Tiles, an array of Gold Tempshift Plates stretching down from that floor, and a set of Gold Metal Tiles, each completely surrounded by more Gold Tempshift Plates.  During dormancy, the chamber is a vacuum, so floating Metal Tiles and Tempshift Plates continue to be cooled while there is no atmosphere.  A bit of water usually ends up condensing between the sets Metal Tiles as well, for an added thermal conduit.

1 hour ago, Lilalaunekuh said:

Ok for steam geysers you there is no "huge" need to use a vaccume but still a usefull setup.

For the particular Geyser that I originally designed it for, due to it's Eruption/Active cycle, it was a little important to ensure the Wheezeworts were able to stay ahead of it so they didn't Stifle.  But generally you're right, it's not needed.

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