Phase Change Materials: fatty_acid
Phase change material (PCM) properties — melting point, latent heat, density, thermal conductivity, specific heat, and cycle life for paraffins, salt hydrates, fatty acids, and eutectics
| pcm category | material id | chemical formula | density liquid kg m3 (kg/m3) | density solid kg m3 (kg/m3) | latent heat kJ kg (kJ/kg) | material name | max cycles | melting point C (C) | notes | phase change type | specific heat liquid kJ kgK (kJ/kgK) | specific heat solid kJ kgK (kJ/kgK) | thermal conductivity liquid W mK (W/mK) | thermal conductivity solid W mK (W/mK) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| fatty_acid | capric_acid | C10H20O2 | 886 | 1,004 | 153 | Capric Acid (Decanoic Acid) | 3,000 | 31.5 | Bio-based fatty acid PCM; narrow melting range; low supercooling; nontoxic | solid-liquid | 2.2 | 1.9 | 0.153 | 0.153 |
| fatty_acid | lauric_acid | C12H24O2 | 869 | 1,007 | 178 | Lauric Acid (Dodecanoic Acid) | 3,000 | 43.5 | Widely used bio-based PCM; compatible with building materials; good thermal stability to 150°C | solid-liquid | 2.27 | 2.02 | 0.16 | 0.16 |
| fatty_acid | myristic_acid | C14H28O2 | 861 | 1,007 | 183 | Myristic Acid (Tetradecanoic Acid) | 3,000 | 54 | Medium-temperature fatty acid; food-grade available; low vapor pressure | solid-liquid | 2.38 | 2 | 0.15 | 0.15 |
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