分类： 物理学 >> 基本粒子与场物理学 分类： 物理学 >> 电磁学、光学、声学、传热、经典力学和流体动力学 提交时间： 2020-03-13
摘要： The interactions between waves and electrons are the basis of vacuum tubes and particle accelerators. In order to further understand the interactions, we proposed a new electromagnetic model. In this model, the photon is composed of two elementary particles – ephoton and mphoton, which are the basic particles that form the electric fields and magnetic fields, respectively. There are many ephotons around the electrons and the electrons can absorb the ephotons. The proposed electromagnetic model can well explain the electromagetic phenomena and the interactions between waves and electrons.
分类： 物理学 >> 核物理学 分类： 物理学 >> 电磁学、光学、声学、传热、经典力学和流体动力学 提交时间： 2017-08-28
摘要： In this paper, the calorimetric power measurement method for electron cyclotron resonance heating system on EAST are presented. This method requires measurement of the water flow through the cooling circuits and the input and output water temperatures in each cooling circuit. Usually, the inlet water temperature is controlled to be stable to get more accurate results. The influence of the inlet water temperature change on the measurement results is analyzed for the first time in this paper. A novel temperature calibration method is proposed also. This kind of calibration method is accurate and effective, and can be easily implemented.
分类： 物理学 >> 核物理学 分类： 物理学 >> 电磁学、光学、声学、传热、经典力学和流体动力学 提交时间： 2017-03-02
摘要： The gyrotron is the most important device in the ECRH system. The cathode power supply is one of the most important ancillary devices for gyrotron. Some interesting transient phenomena about the cathode voltage and the cathode current was found in the gyrotron operation. In order to explain these phenomena, an equivalent model of the magnetron injection gun was proposed. The equivalent circuit is composed of parallel resistors and capacitors, and it can explain the test results very well.
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