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Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Lloyd S. Nelson, Joseph D. Krueger, Michael L. Corradini
Fusion Science and Technology | Volume 26 | Number 3 | November 1994 | Pages 983-987
Tritium Technology, Safety, Environment, and Remote Maintenance | Proceedings of the Eleventh Topical Meeting on the Technology of Fusion Energy New Orleans, Louisiana June 19-23, 1994 | doi.org/10.13182/FST94-A40282
Articles are hosted by Taylor and Francis Online.
Twenty scoping experiments were performed to investigate the behavior of nominally 0.5 g molten lithium drops when released into 0.7 L of the organic coolant Therminol 66 at local atmospheric pressure using a vortex insertion technique. Diagnostics consisted of video and photographic imaging and several chemical analyses. Six coolant/Li temperature pairs were used: 300/300; 300/530; 300/770; 464/530; 600/530 and 600/770, all nominal in K. Because the coolant: Li weight ratio was 103, only rapid (∼0.5 s) quenching reactions could be studied when TLi > Tc; when TLi ≤ Tc, however, both rapid and slower (min) interactions could be investigated. In none of the experiments was there any indication of (a) a vigorous, self-sustaining chemical reaction between the lithium and the organic coolant, or (b) the formation of water-insoluble debris, in particular carbon. Our work confirms the benign behavior at similar temperatures reported earlier by others.