M. Chilenski

Publications
Influence

Improved profile fitting and quantification of uncertainty in experimental measurements of impurity transport coefficients using Gaussian process regression

M. Chilenski, M. Greenwald, +4 authors J. S. Walk
Computer Science
23 January 2015

The need to fit smooth temperature and density profiles to discrete observations is ubiquitous in plasma physics, but the prevailing techniques for this have many shortcomings that cast doubt on the statistical validity of the results. Expand

Experimental data analysis techniques for validation of Tokamak impurity transport simulations

M. Chilenski
Physics
2017

Control flow graph modifications for improved RF-based processor tracking performance

M. Chilenski, G. Cybenko, I. Dekine, P. Kumar, G. Raz
Computer Science, Engineering
Defense + Security
3 May 2018

We describe an approach to this problem using externally observable multi-band radio frequency (RF) measurements to make inferences about a program’s execution. Expand

Recent results from the HIT-SI experiment

T. Jarboe, C. Akçay, +13 authors M. Nagata
Physics
16 May 2011

New understanding and improved parameters have been achieved on the Helicity Injected Torus with Steady Inductive helicity injection current drive (HIT-SI) experiment. The experiment has a… Expand

Observability Properties of Colored Graphs

M. Chilenski, G. Cybenko, I. Dekine, P. Kumar, G. Raz
Computer Science, Mathematics
IEEE Transactions on Network Science and…
9 November 2018

A colored graph is a directed graph in which nodes or edges have been assigned colors that are not necessarily unique. Expand

Optimal sensor control for fast target detection in hyperspectral imagery

G. Raz, M. Chilenski, C. Murphy, Chelsea Georgan
Computer Science, Engineering
Defense + Security
8 May 2018

This paper introduces algorithms for optimal wavelength1 selection (OWLS) for fast scanning of chemical targets on surfaces in the presence of unknown interferent contaminants using active IR spectroscopy. Expand

Nonlinear gyrokinetic simulations of the I-mode high confinement regime and comparisons with experimenta)

A. White, N. Howard, +18 authors C. Theiler
Physics
14 May 2015

For the first time, nonlinear gyrokinetic simulations of I-mode plasmas are performed and compared with experiment. I-mode is a high confinement regime, featuring energy confinement similar to… Expand

Non-local heat transport in Alcator C-Mod ohmic L-mode plasmas

C. Gao, J. Rice, +20 authors Alcator C-Mod Team
Materials Science
26 June 2014

Non-local heat transport experiments were performed in Alcator C-Mod Ohmic L-mode plasmas by inducing edge cooling with laser blow-off impurity (CaF2) injection. The non-local effect, a cooling of… Expand

PSFC / JA-1762 On the ρ * scaling of intrinsic rotation in C-Mod plasmas with edge transport barriers

J. Rice, J. Hughes, +12 authors S. Wukitch
2019

Changes in the core intrinsic toroidal rotation velocity fo llowing Lto Hand Lto I-mode transitions have been investigated in Alcator C-M od tokamak plasmas. The magnitude of the co-current rotation… Expand

Evidence and modeling of turbulence bifurcation in L-mode confinement transitions on Alcator C-Mod

N. M. Cao, J. Rice, +8 authors Alcator C-Mod Team
Physics
14 May 2020

Analysis and modeling of rotation reversal hysteresis experiments show that a single turbulent bifurcation is responsible for the Linear to Saturated Ohmic Confinement (LOC/SOC) transition and… Expand

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