Publications

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Journal Article
M. van Berkel, H.J Zwart, G.MD Hogeweij, G. Vandersteen, H. van den Brand, MR de Baar, ASDEX Upgrade TeamEstimation of the thermal diffusion coefficient in fusion plasmas taking frequency measurement uncertainties into account, Plasma Phys. Control. Fusion 56 (2014) 105004.
OA PDF icon 2014_58556.pdf (752.82 KB)
M. van Berkel, H.J Zwart, N. Tamura, G.MD Hogeweij, S. Inagaki, MR de Baar, K. IdaExplicit approximations to estimate the perturbative diffusivity in the presence of convectivity and damping. I. Semi-infinite slab approximations, Phys. Plasmas 21 (2014) 112507.
OA PDF icon 2014_59592.pdf (1.08 MB)
M. van Berkel, N. Tamura, G.MD Hogeweij, H.J Zwart, S. Inagaki, MR de Baar, K. IdaExplicit approximations to estimate the perturbative diffusivity in the presence of convectivity and damping. III. Cylindrical approximations for heat waves traveling inwards, Phys. Plasmas 21 (2014) 112509.
OA PDF icon 2014_59593.pdf (1.07 MB)
M. van Berkel, G.MD Hogeweij, N. Tamura, H.J Zwart, S. Inagaki, MR de Baar, K. IdaExplicit approximations to estimate the perturbative diffusivity in the presence of convectivity and damping. II. Semi-infinite cylindrical approximations, Phys. Plasmas 21 (2014) 112508.
OA PDF icon 2014_59594.pdf (964.78 KB)
M. van Berkel, T. Kobayashi, G. Vandersteen, H.J Zwart, H. Igami, S. Kubo, N. Tamura, H. Tsuchiya, M.R de Baar, LHDExperiment GroupHeat flux reconstruction and effective diffusion estimation from perturbative experiments using advanced filtering and confidence analysis, Nucl. Fusion 58 (2018) 096036.
OA PDF icon 2018_68414.pdf (835.52 KB)
U. Schneidewind, M. van Berkel, C. Anibas, G. Vandersteen, C. Schmidt, I. Joris, P. Seuntjens, O. Batelaan, H.J ZwartLPMLE3: A novel 1-D approach to study water flow in streambeds using heat as a tracer, Water Resour. Res. 52 (2016) 6596-6610.
M. van Berkel, T. Kobayashi, H. Igami, G. Vandersteen, G.MD Hogeweij, K. Tanaka, N. Tamura, H.J Zwart, S. Kubo, S. Ito et al.New evidence and impact of electron transport non-linearities based on new perturbative inter-modulation analysis, Nucl. Fusion 57 (2017) 126036.
OA PDF icon 2017_67337.pdf (887.23 KB)
M. van Berkel, G. Vandersteen, H.J Zwart, G.MD Hogeweij, J. Citrin, E. Westerhof, D. Peumans, M.R de BaarSeparation of transport in slow and fast time-scales using modulated heat pulse experiments (hysteresis in flux explained), Nucl. Fusion 58 (2018) 106042.
OA 
M. van Berkel, A. De Cock, T. Ravensbergen, G.MD Hogeweij, H.J Zwart, G. VandersteenA systematic approach to optimize excitations for perturbative transport experiments, Phys. Plasmas 25 (2018) 082510.
OA PDF icon 2018_68540.pdf (1.09 MB)
M. van Berkel, H.J Zwart, G.MD Hogeweij, M.R de BaarTechnical note on the linearity and power dependence of the diffusion coefficient in W7-AS, Plasma Phys. Control. Fusion 59 (2017) 062001.
OA PDF icon 2017_66830.pdf (358.1 KB)