title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð´Ð¸Ð°Ð³Ð½Ð¾ÑÑÐ¸ÐºÐ¸ Ð¿Ð¾ÑÐµÑÑ Ð±ÑÑÑÑÑÑ Ð¸Ð¾Ð½Ð¾Ð² (FILD) ÑÐ¾ÐºÐ°Ð¼Ð°ÐºÐ° Ð¢Ð£ÐÐÐ-3Ð
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of diagnostics of fast ions losses (FILD) of the TUMAN-3M tokamak
Creators: name: Ð¨ÑÐ²Ð°Ð»Ð¾Ð²Ð°, ÐÑÐ±Ð¾Ð²Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÑÐ¾ÐºÐ°Ð¼Ð°Ðº
Ð½ÐµÐ¹ÑÑÐ°Ð»ÑÐ½Ð°Ñ Ð¸Ð½Ð¶ÐµÐºÑÐ¸Ñ
Ð±ÑÑÑÑÑÐµ Ð¸Ð¾Ð½Ñ
Ð´ÐµÑÐµÐºÑÐ¾Ñ Ð¿Ð¾ÑÐµÑÑ Ð±ÑÑÑÑÑÑ Ð¸Ð¾Ð½Ð¾Ð²
tokamak
neutral beam injection
fast ions
fast ions loss detector (FILD)

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description: Fast ions are one of the main sources of plasma heating. They can be born in the tokamak plasma as products of a thermonuclear reaction or upon additional heating. In the case of neutral injection, fast ions appear as a result of ionization of the injected beam of high-energy atoms. To increase the heating efficiency, it is important to ensure good confinement of fast ions, which requires considering the possible channels of their losses and the effect of various processes in the plasma on them. In Chapter 1, the channels of fast ion losses and methods of experimental investigation of these losses are considered. One of these methods is based on the fast ion loss detector (FILD). The development of a fast ion loss detector for the TUMAN-3M tokamak will make it possible to reveal the mechanisms leading to fast ion losses and, possibly, to reduce their influence. The purpose of this work is to investigate the fast ions losses. The main task is to develop the design of the loss detector. The main technique is to solve the equation of motion of a particle in the magnetic fields of a tokamak. Chapter 2 describes the development of this diagnostic. As a result of the work, the parameters were calculated and a preliminary design of a detector suitable for use in the experimental conditions of the TUMAN-3M tokamak was developed, and a method for recording unretained ions was described. In the future, based on calculations, it is planned to manufacture a detector and install it on the TUMAN-3M tokamak. After receiving and processing the first results, the question of installing a more complex structure based on a scintillator to obtain results resolved in time and parameters of fast ions will be considered.