Reply To: NIMBY FUD
The Focus Fusion Society › Forums › Reframing fusion, managing expectations › The Dark Knight rises turns a Fusion reactor into an unstable Neutron bomb?! › Reply To: NIMBY FUD
vladJoeviocoe wrote:
true…. but the majority of the yield still comes from the fission reaction if I am not mistaken. The hydrogen allows for a more complete burn of the fissile material in each stage. Even Tsar Bomba was mostly fission yield.
afaik you ARE mistaken 🙂
In both issues.
Do explain please.well.. as for real tsar-bomb test, the total power of the explosion was estimated as approximately 58Mt (15% above predicted by design), and only 1.5Mt was from fission “fuse”. So about 96% of power was from fusion.
Most of modern nuclear weapons (except the weakest tactic level ones) are naturally fission- fusion, and usually the more powerful is the warhead the more part of its power is from fusion.
There is a method of increasing the power of fusion bomb – to cover it with U238 shell.
But it is rarely used. E.g. As for the tsar-bomb, it initially contained such a shell in its design, but it was removed and replaced with plumbum beefore the test.
Everything described above is AFAIR and AFAIK 🙂