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Latest News
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.
Hiromu Momota, Yukihiro Tomita, Motoo Ishikawa, Yasuyoshi Yasaka
Fusion Science and Technology | Volume 35 | Number 1 | January 1999 | Pages 60-66
Invited Lectures | doi.org/10.13182/FST99-A11963827
Articles are hosted by Taylor and Francis Online.
The principle of the traveling wave direct energy converter is introduced. The mechanism is understood as a combination of the traveling wave tube and the linear accelerator. Hardware of the traveling wave direct energy converter is also introduced. It becomes obvious that the applied engineering and materials are conventional. The traveling wave direct energy converter is studied numerically. Self-excitation in a transmission circuit has been verified and optimized geometry is obtained with one-dimensional calculations. For a case of ARTEMIS, 69.8 % of overall conversion efficiency was obtained. Experiments on traveling wave direct converter have been carried out. Self-excitation of a traveling wave has been observed. As conclusions, a traveling wave direct energy converter appears promising to apply to an open magnetic system with D-3He fusion fuels.