Thermal Conductivity of Molten Carbonates with Dispersed Solid Oxide from Differential Scanning Calorimetry
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Sample | Sample Composition | Composition Ratio (vol %) | ||
---|---|---|---|---|
Molten Salt | Solid Oxide | Molten Salt | Solid Oxide | |
LNC-MO | Eutectic molten carbonate (0.53 mol Li2CO3 + 0.47 mol Na2CO3) | MgO | 45 | 55 |
LNC-AO | Al2O3 | 45 | 55 | |
LNC-CO | CeO2 | 45 | 55 | |
LNC-LAO | LiAl2O3 | 45 | 55 | |
LNC | -- | 100 | -- |
Segment | Mode | Temperature (°C) | Rate (°C/min) | Hold Time (min) |
---|---|---|---|---|
1 | Dynamic (Heating) | 30–515 | 20 | --- |
2 | Isothermal | 515 | --- | 15 |
3 | Dynamic (Cooling) | 515–410 | 20 | --- |
4 | Dynamic (Heating) | 410–515 | 20 | --- |
5 | Isothermal | 515 | --- | 15 |
6 | Dynamic (Cooling) | 515–410 | 20 | --- |
7 | Dynamic (Heating) | 410–650 | 20 | --- |
8 | Dynamic (Heating) | 650–690 | 5 | --- |
9 | Dynamic (Cooling) | 690–30 | 20 | --- |
Sample | Thermal Conductivity (W m−1K−1) | ||
---|---|---|---|
DSC | LFA | Literature [15] | |
LNC-MO | 0.077 ± 0.004 | 0.078 ± 0.001 | -- |
LNC-AO | 0.039 ± 0.006 | -- | -- |
LNC-CO | 0.038 ± 0.004 | -- | -- |
LNC-LAO | 0.066 ± 0.011 | -- | -- |
LNC | 0.826 ± 0.001 | -- | 0.887 ± 0.002 |
Laser Shot Number | Thermal Diffusivity (mm2/s) | Thermal Conductivity (W m−1K−1) |
---|---|---|
1 | 0.301 | 0.078 |
2 | 0.300 | 0.078 |
3 | 0.297 | 0.077 |
4 | 0.298 | 0.077 |
5 | 0.304 | 0.079 |
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Kandhasamy, S.; Støre, A.; Haarberg, G.M.; Kjelstrup, S.; Solheim, A. Thermal Conductivity of Molten Carbonates with Dispersed Solid Oxide from Differential Scanning Calorimetry. Materials 2019, 12, 1486. https://doi.org/10.3390/ma12091486
Kandhasamy S, Støre A, Haarberg GM, Kjelstrup S, Solheim A. Thermal Conductivity of Molten Carbonates with Dispersed Solid Oxide from Differential Scanning Calorimetry. Materials. 2019; 12(9):1486. https://doi.org/10.3390/ma12091486
Chicago/Turabian StyleKandhasamy, Sathiyaraj, Anne Støre, Geir Martin Haarberg, Signe Kjelstrup, and Asbjørn Solheim. 2019. "Thermal Conductivity of Molten Carbonates with Dispersed Solid Oxide from Differential Scanning Calorimetry" Materials 12, no. 9: 1486. https://doi.org/10.3390/ma12091486