研究目的
To improve the collector's dissipated power density threshold, effective electron-collecting area, and collecting uniformity for high average/continuous-wave power gyro-devices.
研究成果
The electron collection model is theoretically built and analyzed, showing that quasi-rectangular collection can be achieved with tangential collection dominance. Techniques enable the design of high-power collectors, as demonstrated by a Q-band gyro-TWT capable of 180 kW average power and 10-hour continuous operation in hot-test experiments.
研究不足
The paper does not explicitly state limitations, but potential constraints include the complexity of vacuum degree and temperature relationships, reliance on simulations without extensive experimental validation, and trade-offs between collector uniformity and length when using compensation coils.
1：Experimental Design and Method Selection:
The paper discusses theoretical modeling and analysis of electron collection in collectors, including techniques for improving dissipated power density threshold and electron-collecting uniformity. It involves analytical derivations and numerical calculations based on electron trajectory equations and magnetic field profiles.
2：Sample Selection and Data Sources:
The study uses theoretical models and simulations; no specific samples or datasets are mentioned.
3：List of Experimental Equipment and Materials:
Not explicitly detailed in the paper; inferred equipment includes collectors, magnetic field sources (e.g., superconducting solenoids), cooling systems, and simulation software like CST. Materials include copper for collector walls.
4：Experimental Procedures and Operational Workflow:
Involves designing collector profiles (e.g., linear-taper), analyzing electron trajectories under constant and varying magnetic fields, and using compensation coils to improve uniformity. Simulations are performed to verify theoretical results.
5：Data Analysis Methods:
Analytical integration and numerical calculations are used to derive collecting density distributions; simulations (e.g., with CST software) are compared with theoretical predictions.
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