A Study of Miniaturization of Traveling Wave Direct Energy Converter for Loading on a Spacecraft
Transactions of the Japan Society for Aeronautical and Space Sciences, aerospace technology Japan(2016)
摘要
Traveling wave direct energy converter (TWDEC) was proposed as an efficient energy recovery device for fast protons produced by D-3He fusion reaction. The application of TWDEC to fusion propulsion system was also studied, and its significant subject was miniaturization of the device. In TWDEC, there is a trade-off between device size and efficiency, and an employment of a decelerator of constant deceleration scheme is promising to realize miniaturization. The paper experimentally examines one of the working characteristics of the constant deceleration scheme by using a relative phase control method called active decelerator. The results of the experiment and corresponding numerical orbit calculation are consistent with the theory of the constant deceleration scheme.
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