Results 51 to 60 of about 6,348 (198)

Long‐Term Photovoltaic System Performance in Cold, Snowy Climates

Progress in Photovoltaics: Research and Applications, Volume 33, Issue 11, Page 1180-1197, November 2025.
We review degradation rates of photovoltaic systems located in cold humid continental, subarctic, and tundra climates and analyze three new photovoltaic systems > 60° N in Alaska and Canada with each with between 5 and 16 years of data. Overall, PV systems located in cold climates have a median degradation rate of −0.33%/year.
Erin M. Tonita, Dirk C. Jordan, Silvana Ovaitt, Henry Toal, Karin Hinzer, Christopher Pike, Chris Deline   +6 more
wiley   +1 more source

A Real‐Time Temperature Data Transmission Approach for Intelligent Cooling Control of Mass Concrete

Mathematical Problems in Engineering, Volume 2014, Issue 1, 2014., 2014
The primary aim of the study presented in this paper is to propose a real‐time temperature data transmission approach for intelligent cooling control of mass concrete. A mathematical description of a digital temperature control model is introduced in detail.
Peng Lin, Qingbin Li, Pinyu Jia, Ting-Hua Yi   +3 more
wiley   +1 more source

Real-Time Detection of Overloads on the Plasma-Facing Components of Wendelstein 7-X

Applied Sciences, 2021
Wendelstein 7-X (W7-X) is the leading experiment on the path of demonstrating that stellarators are a feasible concept for a future power plant. One of its major goals is to prove quasi-steady-state operation in a reactor-relevant parameter regime.
Aleix Puig Sitjes, Marcin Jakubowski, Dirk Naujoks, Yu Gao, Peter Drewelow, Holger Niemann, Joris Fellinger, Victor Moncada, Fabio Pisano, Chakib Belafdil, Raphael Mitteau, Marie-Hélène Aumeunier, Barbara Cannas, Josep Ramon Casas, Philippe Salembier, Rocco Clemente, Simon Fischer, Axel Winter, Heike Laqua, Torsten Bluhm, Karsten Brandt, The W7-X Team   +21 more
doaj   +1 more source

Chronic Ethanol Feeding Modulates Inflammatory Mediators, Activation of Nuclear Factor‐κB, and Responsiveness to Endotoxin in Murine Kupffer Cells and Circulating Leukocytes

Mediators of Inflammation, Volume 2014, Issue 1, 2014., 2014
Chronic ethanol abuse is known to increase susceptibility to infections after injury, in part, by modification of macrophage function. Several intracellular signalling mechanisms are involved in the initiation of inflammatory responses, including the nuclear factor‐κB (NF‐κB) pathway.
Miriam Maraslioglu, Elsie Oppermann, Carolin Blattner, Roxane Weber, Dirk Henrich, Christian Jobin, Elke Schleucher, Ingo Marzi, Mark Lehnert, Elizabeth J. Kovacs   +9 more
wiley   +1 more source

Turbulence-reduced high-performance scenarios in Wendelstein 7-X

Nuclear Fusion
In the Wendelstein 7-X (W7-X) stellarator, turbulence is the dominant transport mechanism in most discharges. This leads to a ‘clamping’ of ion temperature over a wide range of heating power, predominantly flat density profiles where hollow profiles ...
O.P. Ford, M. Beurskens, S.A. Bozhenkov, S. Lazerson, L. Vanó, A. Alonso, J. Baldzuhn, C.D. Beidler, C. Biedermann, R. Burhenn, G. Fuchert, D. Hartmann, M. Hirsch, A. Langenberg, H. Laqua, P. McNeely, N. Pablant, E. Pasch, F. Reimold, T. Romba, N. Rust, R. Schroeder, E.R. Scott, T. Stange, H.M. Smith, D. Gradic, R.C. Wolf, D. Zhang, the W7-X Team   +28 more
doaj   +1 more source

Fast and Invertible Simplicial Approximation of Magnetic‐Following Interpolation for Visualizing Fusion Plasma Simulation Data

Computer Graphics Forum, Volume 44, Issue 3, June 2025.
Abstract We introduce a fast and invertible approximation for fusion plasma simulation data represented as 2D planar meshes with connectivities approximating magnetic field lines along the toroidal dimension in deformed 3D toroidal spaces. Scientific variables (e.g., density and temperature) in these fusion data are interpolated following a complex ...
Congrong Ren, Robert Hager, Randy Michael Churchill, Albert Mollén, Seung‐Hoe Ku, Choong‐Seock Chang, Hanqi Guo   +6 more
wiley   +1 more source

Modeling resistive-inductive evolution of currents in Wendelstein 7-X

Nuclear Fusion
This research investigates the temporal evolution of the toroidal plasma current in the Wendelstein 7-X (W7-X) stellarator under different heating, fueling, and current drive scenarios.
L. van Ham, S.A. Lazerson, J.C. Schmitt, B.F. Lee, M. Beurskens, K.J. Brunner, N. Chaudhary, G. Fuchert, J. Geiger, M. Hirsch, J. Knauer, A. Langenberg, J.W. Oosterbeek, N. Pablant, E. Pasch, K. Rahbarnia, G. Weir, the W7-X Team   +17 more
doaj   +1 more source

A newcomer: the Wendelstein 7-X Stellarator [PDF]

Europhysics News, 2016
T his development has led to the large “Model-C” stellarator, operated at PPPL from 1961-1969 until it was converted into the “Symmetric Tokamak” in 1970, after breakthrough results reported from Russian tokamaks in 1968. The first “Wendelstein” stellarator, the “1-A” went into operation in 1960 at the Max-Planck Institute for Physics and Astrophysics.
openaire   +2 more sources

Evaluating keratometry and corneal astigmatism data from biometers and anterior segment tomographers and mapping to reconstructed corneal astigmatism

Clinical &Experimental Ophthalmology, Volume 52, Issue 6, Page 627-638, August 2024.
Abstract Background To compare results from different corneal astigmatism measurement instruments; to reconstruct corneal astigmatism from the postimplantation spectacle refraction and toric intraocular lens (IOL) power; and to derive models for mapping measured corneal astigmatism to reconstructed corneal astigmatism.
Achim Langenbucher, Leonardo Taroni, Catarina P. Coutinho, Alan Cayless, Nóra Szentmáry, Peter Hoffmann, Jascha Wendelstein, Giacomo Savini   +7 more
wiley   +1 more source

Full-flux-surface effects on electrostatic turbulence in Wendelstein 7-X-like plasmas

Nuclear Fusion, 2023
We present the first nonlinear, gyrokinetic, surface-global simulations of a Wendelstein 7-X-like stellarator with kinetic electrons. As a first application, we investigate the interplay between Ion Temperature Gradient (ITG) and Trapped Electron Mode ...
Felix Wilms, Alejandro Bañón Navarro, Frank Jenko   +2 more
doaj   +1 more source