H-mode plasmas in the pre-fusion power operation 1 phase of the ITER research plan
Journal article, 2021

The optimum conditions for access to and sustainment of H-mode plasmas and their expected plasma parameters in the pre-fusion power operation 1 (PFPO-1) phase of the ITER research plan, where the additional plasma heating will be provided by 20 MW of electron cyclotron heating, are assessed in order to identify key open R&D issues. The assessment is performed on the basis of empirical and physics-based scalings derived from present experiments and integrated modelling of these plasmas including a range of first-principle transport models for the core plasma. The predictions of the integrated modelling of ITER H-mode plasmas are compared with ITER-relevant experiments carried out at JET (low-collisionality high-current H modes) and ASDEX Upgrade (significant electron heating) for both global H-mode properties and scale lengths of density and temperature profiles finding reasonable agreement. Specific integration issues of the PFPO-1 H-mode plasma scenarios are discussed taking into account the impact of the specificities of the ITER tokamak design (level of ripple, etc).

core-edge integration


pre-fusion power



core transport


A. Loarte

ITER Organization

A. R. Polevoi

ITER Organization

M. Schneider

ITER Organization

S. D. Pinches

ITER Organization

E. Fable

Max Planck Society

E. Militello Asp

Culham Science Centre

Y. Baranov

Culham Science Centre

F. Casson

Culham Science Centre

G. Corrigan

Culham Science Centre

Luca Garzotti

Culham Science Centre

D. Harting

Culham Science Centre

P. Knight

Culham Science Centre

F. Koechl

Culham Science Centre

V. Parail

Culham Science Centre

D. Farina

National Research Council of Italy (CNR)

L. Figini

National Research Council of Italy (CNR)

Hans Nordman

Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics, Plasma Physics and Fusion Energy

Pär Strand

Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics

R. Sartori

Fusion for Energy Joint Undertaking

Nuclear Fusion

0029-5515 (ISSN)

Vol. 61 7 076012

Subject Categories

Fusion, Plasma and Space Physics



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7/5/2021 1