Publications

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2020
M. van Berkel, R.JR van Kampen, G. Vandersteen, T. Kobayashi, T. Ravensbergen, H. Igami, J.T Lammers, G. Oosterwegel, C. Galperti, F. Felici et al.,  Correcting for non-periodic behaviour in perturbative experiments: application to heat pulse propagation and modulated gas-puff experiments, Plasma Phys. Control. Fusion 62 (2020) 094001.
OA PDF icon 2020_70063.pdf (956.76 KB)
2018
M. van Berkel, G. Vandersteen, H.J Zwart, G.MD Hogeweij, J. Citrin, E. Westerhof, D. Peumans, M.R de Baar,  Separation of transport in slow and fast time-scales using modulated heat pulse experiments (hysteresis in flux explained), Nucl. Fusion 58 (2018) 106042.
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M. van Berkel, A. De Cock, T. Ravensbergen, G.MD Hogeweij, H.J Zwart, G. Vandersteen,  A 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, T. Kobayashi, G. Vandersteen, H.J Zwart, H. Igami, S. Kubo, N. Tamura, H. Tsuchiya, M.R de Baar, LHDExperiment Group,  Heat 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)
2017
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)
2016
U. Schneidewind, M. van Berkel, C. Anibas, G. Vandersteen, C. Schmidt, I. Joris, P. Seuntjens, O. Batelaan, H.J Zwart,  LPMLE3: A novel 1-D approach to study water flow in streambeds using heat as a tracer, Water Resour. Res. 52 (2016) 6596-6610.
2014
M. van Berkel, G. Vandersteen, E. Geerardyn, R. Pintelon, H. Zwart, M. de Baar,  Frequency domain sample maximum likelihood estimation for spatially dependent parameter estimation in PDEs, Automatica 50 (2014) 2113-2119.
OA PDF icon 2014_58494.pdf (298.68 KB)
M. van Berkel, H.J Zwart, G.MD Hogeweij, G. Vandersteen, H. van den Brand, MR de Baar, ASDEX Upgrade Team,  Estimation 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)
2013
M. van Berkel, G. Vandersteen, H. Zwart, G.MD Hogeweij, M. de Baar,  Maximum Likelihood Estimation of diffusion and convection in tokamaks using infinite domains, 2013 IEEE Multi-Conference on Systems and Control (MSC 2013)  (2013) 1230-1234.
OA PDF icon 2013_55506.pdf (522.49 KB)
2012
M. Lauret, F. Felici, G. Witvoet, T. Goodman, G. Vandersteen, E. Westerhof, M. Steinbuch, O. Sauter, MR de Baar,  A new mechanism for sawtooth period control, EPJ Conf. 32 (2012) 02008.
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M. Lauret, F. Felici, G. Witvoet, T.P Goodman, G. Vandersteen, O. Sauter, MR de Baar,  Demonstration of sawtooth period locking with power modulation in TCV plasmas, Nucl. Fusion 52 (2012) 062002.
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