implosion
Quick Summary
In physics, implosion describes a process where an object collapses inward due to external pressure. This is the opposite of an explosion, where an object breaks outward due to internal pressure.12
A key application of implosion is in inertial confinement fusion (ICF) reactors. In ICF, a small pellet of fuel is compressed to extremely high densities and temperatures using lasers or particle beams. This compression, driven by the recoil from an ablated outer layer, creates an inward force equivalent to billions of atmospheres, causing the fuel to implode and initiating fusion reactions.3
The implosion method was also crucial in the development of early nuclear weapons. It was found to be a more efficient way to achieve the necessary compression of plutonium for a nuclear chain reaction compared to the earlier gun-assembly method.4
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atomic bombThe properties and effects of atomic bombs…method used is that of implosion, in which a core of fissionable material is suddenly compressed into a smaller size and thus a greater density; because it is denser, the nuclei are more tightly packed and the chances of an emitted neutron’s striking a nucleus are increased. The core of…
Read More…method used is that of implosion, in which a core of fissionable material is suddenly compressed into a smaller size and thus a greater density; because it is denser, the nuclei are more tightly packed and the chances of an emitted neutron’s striking a nucleus are increased. The core of…
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John von NeumannWorld War II…Neumann worked on Seth Neddermeyer’s implosion design for an atomic bomb. This called for a hollow sphere containing fissionable plutonium to be symmetrically imploded in order to drive the plutonium into a critical mass at the centre. The implosion had to be so symmetrical that it was compared to crushing…
Read More…Neumann worked on Seth Neddermeyer’s implosion design for an atomic bomb. This called for a hollow sphere containing fissionable plutonium to be symmetrically imploded in order to drive the plutonium into a critical mass at the centre. The implosion had to be so symmetrical that it was compared to crushing…
Read More
nuclear weaponGun assembly, implosion, and boostingIn order to produce a nuclear explosion, subcritical masses of fissionable material must be rapidly assembled into a supercritical configuration. The simplest weapon design is the pure fission gun-assembly device, in which an explosive propellant is used to fire one subcritical mass…
Read MoreIn order to produce a nuclear explosion, subcritical masses of fissionable material must be rapidly assembled into a supercritical configuration. The simplest weapon design is the pure fission gun-assembly device, in which an explosive propellant is used to fire one subcritical mass…
Read More