Thomson scattering systems on C-2W field-reversed configuration plasma experiment.
K Zhai1, T Schindler1, A Ottaviano1
1TAE Technologies, Inc., Foothill Ranch, California 92610, USA.
The Review of Scientific Instruments
|November 8, 2018
Summary
TAE Technologies
Area of Science:
- Plasma Physics
- Fusion Energy Research
Background:
- The C-2W experiment at TAE Technologies targets enhanced plasma performance.
- Sustained field-reversed configuration (FRC) plasma is crucial for fusion energy.
Purpose of the Study:
- To detail the design and implementation of Thomson scattering systems for the C-2W experiment.
- To measure electron temperature (Te) and density (ne) profiles in FRC plasma.
Main Methods:
- Development and characterization of specialized Thomson scattering systems.
- Utilizing a maximum-likelihood algorithm for data analysis.
- Employing central and jet diagnostic systems for comprehensive plasma profiling.
Main Results:
- Thomson scattering systems are operational for Te and ne measurements.
- Systems cover electron densities from 1x10^12 to 2x10^14 cm^-3 and temperatures from 10 eV to 2 keV.
- Central system provides 16 radial profiles at 20 kHz or 1 kHz; jet system provides 5 radial profiles at 100 Hz.
Conclusions:
- The Thomson scattering systems are successfully commissioned for the C-2W experiment.
- These diagnostics are vital for understanding and improving FRC plasma parameters.
- The data acquired will support advancements in fusion energy research.
More Related Videos
Related Concept Videos
01:19Thomson's e/m Experiment
6.8K
In a beam of charged particles created by a heated cathode, the particles move at different speeds. However, many applications need a beam with uniform particle speeds. An arrangement known as a velocity selector uses electric and magnetic fields to pick particles with a particular speed from the beam.
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The magnetic...
A particle with charge q, speed v, and mass m enters an area from the top, where the magnetic and electric fields are perpendicular both to the particle's motion and to one another. The magnetic...
6.8K
01:21Joule-Thomson Effect
9.6K
The Joule-Thomson effect, also known as the Joule-Kelvin effect, describes the temperature change of a fluid when it is forced through a valve or porous plug while keeping it in a thermally insulated environment. This experiment is called a throttling process. This is an important effect widely used in refrigeration and the liquefaction of gases.
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
9.6K
01:22Controller Configurations
380
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
380
02:46Electron Configurations
26.3K
Electron configurations and orbital diagrams can be determined by applying the Aufbau principle (each added electron occupies the subshell of lowest energy available), Pauli exclusion principle (no two electrons can have the same set of four quantum numbers), and Hund’s rule of maximum multiplicity (whenever possible, electrons retain unpaired spins in degenerate orbitals).
The relative energies of the subshells determine the order in which atomic orbitals are filled (1s, 2s, 2p, 3s, 3p,...
The relative energies of the subshells determine the order in which atomic orbitals are filled (1s, 2s, 2p, 3s, 3p,...
26.3K
03:26Electron Configuration of Multielectron Atoms
65.0K
The alkali metal sodium (atomic number 11) has one more electron than the neon atom. This electron must go into the lowest-energy subshell available, the 3s orbital, giving a 1s22s22p63s1 configuration. The electrons occupying the outermost shell orbital(s) (highest value of n) are called valence electrons, and those occupying the inner shell orbitals are called core electrons. Since the core electron shells correspond to noble gas electron configurations, we can abbreviate electron...
65.0K
01:16Configurations of BJT
1.1K
Bipolar Junction Transistors (BJTs) are categorized into various types based on their configurations, each with distinct characteristics and applications. The configurations are primarily differentiated by which terminal—base, emitter, or collector—is common to both the input and output circuits.
The common base configuration is noted for its high voltage gain, positioning it as an ideal choice for single-stage amplifier circuits, such as microphone pre-amplifiers. A notable...
The common base configuration is noted for its high voltage gain, positioning it as an ideal choice for single-stage amplifier circuits, such as microphone pre-amplifiers. A notable...
1.1K