August 22, 2019, 01:10:46 AM
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Topic: Nuclear cruise missile explodes  (Read 119 times)

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Offline Enthalpy

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Nuclear cruise missile explodes
« on: August 10, 2019, 06:32:33 AM »
Explosion and reported brief radioactive contamination at a Russian missile test facility in Nyonoksa, 47km from Severodvinsk
the newspapers of varied origins and quality seem to have very few sources, Rosatom and the Defence ministry, plus unverified videos. 5 dead, 3 wounded.

The cruise missile is supposedly a Burevestnik, said to be propelled by a nuclear reactor for big range, as shall the Poseidon torpedo be

but the reports on the explosion tell instead
"liquid-propellant engine"
"isotope power source" for a propulsion system
which isn't necessarily a nuclear reactor, where fission happens.

One source fitting the wording would be a big amount of natural or artificial short-lived isotopes that heat the air that passes by in a ramjet, or hydrogen from a tank. This needs a huge radioactivity obtained from a big reactor few hours to weeks before flight. Not convenient.

Or maybe isotopes only heat the propellant before it burns with air, in a bizarre pumping cycle for ramjet or scramjet and next ones
but I see essentially drawbacks to that. While pumping for a scramjet isn't trivial, chemical or thermal paths bring less worries.

Explanations, suggestions...?
« Last Edit: August 10, 2019, 07:01:24 AM by Enthalpy »

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