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Post by apophys on Nov 25, 2016 14:51:44 GMT
Since osmium won't melt at the high temperatures that we use, and has excellent yield strength, it has potential for use in thermocouples. The missing value of thermoelectric sensitivity is -4.0 µV/K (provided by a helpful discord user, Kel). The source is "Thermoelectric Power of Metals" by Blatt, page 178 |
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Post by Pttg on Nov 25, 2016 18:00:00 GMT
Material Osmium
Elements Os
ElementCount 1
Density_kg__m3 22590
YieldStrength_MPa 2000
UltimateTensileStrength_MPa 7200
YoungsModulus_GPa 570
ShearModulus_GPa 230
SpecificHeat_J__kg_K 135
MeltingPoint_K 3306
BoilingPoint_K 5285
ThermalConductivity_W__m_K 87.5
ThermalExpansion__K 6.5e-6
Resistivity_Ohm_m 81.2e-9
ThermoelectricSensitivity_V__K -4e-6
RefractiveIndex Osmium
RoughnessCoefficient .2
Create a new text file named Metals.txt in C:\Users\[Your User Name]\AppData\Roaming\CDE\Mods\Data. Copy-paste the above entry into that text file. That entry will override the original version, so if a future update changes Osmium at all, you'll have to update the file.
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Post by newageofpower on Nov 26, 2016 0:31:27 GMT
What would we use, though, for the other thermocouple material?
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Post by apophys on Nov 26, 2016 2:04:41 GMT
Tungsten, for example.
Currently, the best ingame high-temperature thermocouple is tungsten-tantalum, and it seems that osmium can easily replace tantalum, making a combo that is more efficient at converting heat to power. Osmium is also far cheaper than tantalum.
Modding and testing, I get reactors with ~10% more power for about half the cost and basically the same weight.
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Post by newageofpower on Nov 26, 2016 20:09:14 GMT
In that case, I'm all for it ; )
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Post by leerooooooy on Nov 27, 2016 15:38:38 GMT
Material Osmium
Elements Os
ElementCount 1
Density_kg__m3 22590
YieldStrength_MPa 2000
UltimateTensileStrength_MPa 7200
YoungsModulus_GPa 570
ShearModulus_GPa 230
SpecificHeat_J__kg_K 135
MeltingPoint_K 3306
BoilingPoint_K 5285
ThermalConductivity_W__m_K 87.5
ThermalExpansion__K 6.5e-6
Resistivity_Ohm_m 81.2e-9
ThermoelectricSensitivity_V__K -4e-6
RefractiveIndex Osmium
RoughnessCoefficient .2Create a new text file named Metals.txt in C:\Users\[Your User Name]\AppData\Roaming\CDE\Mods\Data. Copy-paste the above entry into that text file. That entry will override the original version, so if a future update changes Osmium at all, you'll have to update the file. now when the game loads any part made of osmium is instead using beryllium |
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Post by apophys on Nov 27, 2016 19:06:44 GMT
now when the game loads any part made of osmium is instead using beryllium What I did was go into the Metals.txt file of the game (found at \Resources\Data\Materials) and edit the already-existing entry for osmium, adding in the thermoelectric sensitivity value (end result for the entry looks like what pttg posted). You may need to do Steam shenanigans to keep it from updating that file once you edit it. |
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Post by Rocket Witch on Nov 29, 2016 11:32:17 GMT
Material Osmium
Elements Os
ElementCount 1
Density_kg__m3 22590
YieldStrength_MPa 2000
UltimateTensileStrength_MPa 7200
YoungsModulus_GPa 570
ShearModulus_GPa 230
SpecificHeat_J__kg_K 135
MeltingPoint_K 3306
BoilingPoint_K 5285
ThermalConductivity_W__m_K 87.5
ThermalExpansion__K 6.5e-6
Resistivity_Ohm_m 81.2e-9
ThermoelectricSensitivity_V__K -4e-6
RefractiveIndex Osmium
RoughnessCoefficient .2Create a new text file named Metals.txt in C:\Users\[Your User Name]\AppData\Roaming\CDE\Mods\Data. Copy-paste the above entry into that text file. That entry will override the original version, so if a future update changes Osmium at all, you'll have to update the file. This will reset all existing osmium parts of modules to aluminium, so anyone with a lot of osmium stuff may wish to bear that in mind. It's no big deal but it might take a while to go through all the items. |
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