21 problemas en formato PLANCKS. Cada fila enlaza al PDF de origen: Enunciado y Solución por separado; para las ediciones originalmente en otro idioma, también la traducción al inglés (Enunciado EN). Abre el PDF y busca el problema por su número.
| Fuente | Año | Nº | Problema | Documentos | Sec. |
|---|---|---|---|---|---|
| PLANCKS Internacional | 2025 | 3 | Second sound | COND | |
| PLANCKS Internacional | 2023 | 2 | Thermodynamics | EM | |
| PLANCKS Internacional | 2019 | 10 | Freezing Front | ||
| PLANCKS Internacional | 2017 | 7 | Carnot cycle with van-der-Waals gas | ||
| PLANCKS Internacional | 2016 | 2 | The apparent air temperature in a windy winter day | ||
| Preliminar España | 2026 | 3 | The Planck Feedback | ASTRO | |
| Preliminar España | 2026 | 7 | Maxwell's demon goes quantum | QM | |
| Preliminar España | 2019 | 2 | Refrigerators, efficiency and optimization | ESTAD | |
| Preliminar Países Bajos | 2015 | 7 | Concentrated solar power - Carnot cycle generator | ||
| Preliminar Países Bajos | 2012 | 3 | Thermo-electric transport and heating (Seebeck/Peltier) | EM | |
| Preliminar Países Bajos | 2012 | 8 | Droplets in a cylinder (Kelvin equation from Gibbs energy) | FLU | |
| Preliminar Italia | 2024 | 4 | Thermodynamics: walls insulation, conduction and Carnot heat pump | ||
| Preliminar Italia | 2023 | 3 | Thermodynamics: compressibility charts (real CO2 gas) | ||
| Preliminar Italia | 2021 | 3.3 | Idealized model of the Earth's atmosphere (pressure/temperature vs altitude) | FLU | |
| Preliminar Italia | 2020 | 2.2 | Thermodynamic properties of an elastic rod (entropy model, equations of state, work, adiabatic stretching) | ||
| Preliminar Italia | 2018 | I | Thermodynamics: Carnot cycle with a Van der Waals real gas | ||
| Preliminar Polonia | 2025 | 9 | Atmospheric sounding (cloud depth and water vapour mass from radiosonde data) | FLU | |
| Preliminar Polonia | 2024 | 3 | Heat conduction in a rod with uniform heat generation; steady temperature in a semicylinder | ||
| Preliminar Rumanía | 2025 | 5 | Heat capacities of a van der Waals gas | ||
| Preliminar Rumanía | 2024 | 2 | Thermodynamics: state equation and internal energy | ||
| Preliminar Rumanía | 2024 | 7 | How cold is too cold? (ice skating) |