**Are you an EPFL student looking for a semester project?**

Work with us on data science and visualisation projects, and deploy your project as an app on top of GraphSearch.

Lecture# Electron Cyclotron Resonance Heating

Description

This lecture covers the principles of Electron Cyclotron Resonance Heating (ECRH) for plasma heating and current drive. Topics include wave-particle resonances, ECRH system components like gyrotrons, and examples from TCV tokamak and ITER. The instructor explains the use of ECRH for instability control and compares ECRH with other plasma heating systems.

Official source

This page is automatically generated and may contain information that is not correct, complete, up-to-date, or relevant to your search query. The same applies to every other page on this website. Please make sure to verify the information with EPFL's official sources.

In MOOCs (5)

Plasma Physics: Introduction

Learn the basics of plasma, one of the fundamental states of matter, and the different types of models used to describe it, including fluid and kinetic.

Plasma Physics: Introduction

Learn the basics of plasma, one of the fundamental states of matter, and the different types of models used to describe it, including fluid and kinetic.

Plasma Physics: Applications

Learn about plasma applications from nuclear fusion powering the sun, to making integrated circuits, to generating electricity.

Plasma Physics: Applications

Learn about plasma applications from nuclear fusion powering the sun, to making integrated circuits, to generating electricity.

Nuclear Fusion and Plasma Physics

Learn the basics of plasma, one of the fundamental states of matter, and the different types of models used to describe it, including fluid and kinetic.

Instructor

Related concepts (38)

Tokamak

A tokamak (ˈtoʊkəmæk; токамáк) is a device which uses a powerful magnetic field to confine plasma in the shape of a torus. The tokamak is one of several types of magnetic confinement devices being developed to produce controlled thermonuclear fusion power. , it was the leading candidate for a practical fusion reactor. Tokamaks were initially conceptualized in the 1950s by Soviet physicists Igor Tamm and Andrei Sakharov, inspired by a letter by Oleg Lavrentiev. The first working tokamak was attributed to the work of Natan Yavlinsky on the T-1 in 1958.

Harmonic

A harmonic is a sinusoidal wave with a frequency that is a positive integer multiple of the fundamental frequency of a periodic signal. The fundamental frequency is also called the 1st harmonic, the other harmonics are known as higher harmonics. As all harmonics are periodic at the fundamental frequency, the sum of harmonics is also periodic at that frequency. The set of harmonics forms a harmonic series. The term is employed in various disciplines, including music, physics, acoustics, electronic power transmission, radio technology, and other fields.

Wave

In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Waves can be periodic, in which case those quantities oscillate repeatedly about an equilibrium (resting) value at some frequency. When the entire waveform moves in one direction, it is said to be a traveling wave; by contrast, a pair of superimposed periodic waves traveling in opposite directions makes a standing wave.

Harmonic series (music)

A harmonic series (also overtone series) is the sequence of harmonics, musical tones, or pure tones whose frequency is an integer multiple of a fundamental frequency. Pitched musical instruments are often based on an acoustic resonator such as a string or a column of air, which oscillates at numerous modes simultaneously. At the frequencies of each vibrating mode, waves travel in both directions along the string or air column, reinforcing and canceling each other to form standing waves.

Plasma stability

The stability of a plasma is an important consideration in the study of plasma physics. When a system containing a plasma is at equilibrium, it is possible for certain parts of the plasma to be disturbed by small perturbative forces acting on it. The stability of the system determines if the perturbations will grow, oscillate, or be damped out. In many cases, a plasma can be treated as a fluid and its stability analyzed with magnetohydrodynamics (MHD).

Related lectures (33)

Heating and Burning Plasmas: ITER and Fusion Power PlantPHYS-424: Plasma II

Explores heating and burning plasmas, ITER, fusion power plants, and the importance of tritium in fusion reactors.

Heating and Current Drive by WavesMOOC: Plasma Physics: Introduction

Explores the use of waves for heating and current drive in tokamaks, focusing on ICRH and LH waves, their mechanisms, and antenna features.

Heating, Burning Plasmas, ITER and Route to Fusion Power PlantPHYS-424: Plasma II

Explores heating and burning plasmas, ITER, fusion power plant route, tritium importance, and future prospects.

Plasma Heating: Neutral BeamsMOOC: Plasma Physics: Introduction

Explores the limitations of ohmic heating in plasma and the advantages and drawbacks of neutral beam injection for additional plasma heating.

Plasma Instabilities: Resonant Three Wave InteractionPHYS-736: Plasma instabilities

Explores resonant three wave coupling, focusing on Stimulated Raman Scattering in plasma and the development of parametric instabilities affecting laser light.