Kriechwärme

Kriechwärme, also known as creep heat or residual heat, refers to the heat that remains in a system, object, or material after a heat source has been removed or deactivated. This stored thermal energy gradually dissipates into the surroundings over time. The rate at which Kriechwärme dissipates depends on factors such as the material's thermal properties (like specific heat capacity and thermal conductivity), its mass, the surface area exposed to the environment, and the temperature difference between the object and its surroundings.

In many applications, Kriechwärme is a significant consideration. For example, in cooking, ovens and stovetops retain Kriechwärme after being turned off, which can continue to cook food. In industrial processes, such as metal casting or forging, the residual heat in the materials must be managed to prevent warping or cracking as they cool. In engine design, understanding Kriechwärme is crucial for managing thermal stress and preventing component failure. Similarly, in building insulation, Kriechwärme from occupants or appliances contributes to maintaining indoor temperatures. The concept is also relevant in nuclear power plants, where the decay of radioactive materials generates heat that continues to be produced even after the reactor is shut down, necessitating continuous cooling to prevent overheating.