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  • Writer's pictureJonathon Jundt

Lenz Law Controlled Re-entry

Lenz’s Law, eponymous for Emil Lenz was derived in 1834, stating that the direction of the current induced in a conductor by a changing magnetic field is such that the magnetic field created by the induced current opposes the initial changing magnetic field.

As a current is induced by a magnetic field, the magnetic field produced by the induced current will create its own magnetic field. Thus, this magnetic field will be opposed by the magnetic field that created it slowing a magnetic object.

Rudimentary management of the speed of orbital reentry continues to focus on parachutes and large bodies of water. It may very well suit future re-entry mechanisms to consider re-entry Lenz law chutes that slow celestial craft thus reducing reentry energy requirements.

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