The development of the material plasma exposure experiment

J Rapp, TM Biewer, TS Bigelow… - … on Plasma Science, 2016 - ieeexplore.ieee.org
The availability of future fusion devices, such as a fusion nuclear science facility or
demonstration fusion power station, greatly depends on long operating lifetimes of plasma …

Developing the science and technology for the material plasma exposure experiment

J Rapp, TM Biewer, TS Bigelow, JF Caneses… - Nuclear …, 2017 - iopscience.iop.org
Linear plasma generators are cost effective facilities to simulate divertor plasma conditions
of present and future fusion reactors. They are used to address important R&D gaps in the …

Progress in the development of a high power helicon plasma source for the materials plasma exposure experiment

RH Goulding, JBO Caughman, J Rapp… - Fusion Science and …, 2017 - Taylor & Francis
Proto-MPEX is a linear plasma device being used to study a novel RF source concept for the
planned Material Plasma Exposure eXperiment (MPEX), which will address plasma …

Plasma source development for fusion-relevant material testing

JBO Caughman, RH Goulding, TM Biewer… - Journal of Vacuum …, 2017 - pubs.aip.org
Plasma-facing materials in the divertor of a magnetic fusion reactor have to tolerate steady
state plasma heat fluxes in the range of 10 MW/m 2 for∼ 10 7 s, in addition to fusion neutron …

Monte-Carlo fluid approaches to detached plasmas in non-axisymmetric divertor configurations

Y Feng, H Frerichs, M Kobayashi… - Plasma Physics and …, 2017 - iopscience.iop.org
Fluid transport modeling in three-dimensional boundaries of toroidal confinement devices is
reviewed with the emphasis on a Monte-Carlo approach to simulate detached plasmas. The …

The material plasma exposure experiment: Mission and conceptual design

J Rapp, A Lumsdaine, C Beers, T Biewer… - Fusion Engineering and …, 2020 - Elsevier
Abstract Mastering Plasma Material Interactions (PMI) is key for obtaining a high
performance, high duty-cycle and safe operating fusion reactor. Numerous gaps exist in PMI …

The challenges of plasma material interactions in nuclear fusion devices and potential solutions

J Rapp - Fusion Science and Technology, 2017 - Taylor & Francis
Abstract Plasma Material Interactions in future fusion reactors have been identified as a
knowledge gap to be dealt with before any next step device past ITER can be built. The …

[HTML][HTML] Helicon plasma ion temperature measurements and observed ion cyclotron heating in proto-MPEX

CJ Beers, RH Goulding, RC Isler, EH Martin… - Physics of …, 2018 - pubs.aip.org
The Prototype-Material Plasma Exposure eXperiment (Proto-MPEX) linear plasma device is
a test bed for exploring and developing plasma source concepts to be employed in the …

Collisional damping of helicon waves in a high density hydrogen linear plasma device

JF Caneses, BD Blackwell - Plasma Sources Science and …, 2016 - iopscience.iop.org
In this paper, we investigate the propagation and damping of helicon waves along the length
(50 cm) of a helicon-produced 20 kW hydrogen plasma (${{n} _ {\text {e}}}\sim $1–2$\times …

[HTML][HTML] An electron Bernstein wave heating scheme for the Proto-MPEX linear device

SJ Diem, DL Green, RW Harvey, YV Petrov - Physics of Plasmas, 2018 - pubs.aip.org
Linear plasma devices, such as the Prototype Material Plasma Exposure eXperiment (Proto-
MPEX), are an economic method to study plasma-material interactions under high heat and …