Fissiokaasujen

Fissiokaasujen, often translated as "fission gases" or "fission products," refers to the collection of radioactive isotopes produced during the nuclear fission of heavy elements, such as uranium or plutonium. When an atomic nucleus undergoes fission, it splits into two or more lighter nuclei, releasing a significant amount of energy and several neutrons. These lighter nuclei are inherently unstable and radioactive, decaying over time and emitting various forms of radiation.

The composition of fission gases varies depending on the specific fissile material and the neutron energy involved in the fission process. However, common fission gases include isotopes of noble gases like krypton and xenon, as well as other elements like iodine and cesium. These gases are a significant concern in nuclear reactor safety and waste management due to their radioactivity and potential to escape into the environment.

In nuclear reactors, fission gases are generated within the fuel rods. Their accumulation can lead to increased internal pressure within the fuel cladding, which can impact reactor performance and safety. Advanced reactor designs incorporate measures to manage and contain these gases, such as trapping systems or reprocessing facilities. The long-term storage and disposal of spent nuclear fuel, which contains these fission products, is a critical aspect of nuclear waste management, requiring secure containment for extended periods to allow for radioactive decay.