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Articles by van Rienen
Parameter-resolved AC electrical stimulation links electrical system characteristics to early transcriptional responses in human stem cells
Abstract Alternating-current electrical stimulation (AC-ES) may modulate stem-cell responses, but nominal stimulation settings do not define the electric-field exposure at the cell layer, limiting cross-study comparison.
Physics-driven lumped-element modelling for impedance simulations of superconducting accelerator magnets
Home > Physics-driven lumped-element modelling for impedance simulations of superconducting accelerator magnets Title Physics-driven lumped-element modelling for impedance simulations of superconducting accelerator magnets Author(s) Janitschke, M (CERN ; U. Rostock) ; Bednarek, M (CERN) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; van Rienen, U (U. Rostock) Publication 2024 Number of pages 22 In: Supercond. Sci. Technol.
Home > Evaluating the Electro-Magnetic Effects of Electrical Short-Circuits in a Nb-Ti Accelerator Magnet Title Evaluating the Electro-Magnetic Effects of Electrical Short-Circuits in a Nb-Ti Accelerator Magnet Author(s) Reynaud, V (CERN ; Polytech. Turin) ; Farinon, S (INFN, Genoa) ; Janitschke, M (CERN ; U. Rostock) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; van Rienen, U (U. Rostock) Publication 2025 Number of pages 5 In: IEEE Trans. Appl. Supercond.
Validating the Physics-Driven Lumped-Element Model of the LHC Main Dipole Magnet
Home > Validating the Physics-Driven Lumped-Element Model of the LHC Main Dipole Magnet Title Validating the Physics-Driven Lumped-Element Model of the LHC Main Dipole Magnet Author(s) Janitschke, M (CERN ; U. Rostock) ; Bednarek, M (CERN) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; Wozniak, M (CERN) ; van Rienen, U (U. Rostock) Imprint 5 p. In: IEEE Trans. Appl. Supercond.
Design and optimisation of an 800 MHz 5-cell elliptical SRF cavity for $\bar {tt }$ working point of the future circular Electron-Positron Collider
Home > Design and optimisation of an 800 MHz 5-cell elliptical SRF cavity for $\bar {tt }$ working point of the future circular Electron-Positron Collider Title Design and optimisation of an 800 MHz 5-cell elliptical SRF cavity for $\bar {tt }$ working point of the future circular Electron-Positron Collider Author(s) Udongwo, S (Rostock U.) ; Gorgi Zadeh, S (CERN) ; Calaga, R (CERN) ; van Rienen, U (Rostock U.) Imprint 4 p.
Contributions of deep learning to automated numerical modelling of the interaction of electric fields and cartilage tissue based on 3D images
Vien L. Che1 Julius Zimmermann1* Yilu Zhou2 X. Lucas Lu2 Ursula van Rienen1* 1University of Rostock, Germany 2Department of Mechanical Engineering, College of Engineering, University of Delaware, United States The final, formatted version of the article will be published soon. Receive an email when it is updated Electric fields find use in tissue engineering but also in sensor applications besides the broad classical application range.
HOM Coupler Design and Optimization for the FCC-ee W Working Point
Home > HOM Coupler Design and Optimization for the FCC-ee W Working Point Title HOM Coupler Design and Optimization for the FCC-ee W Working Point Author(s) Udongwo, Sosoho-Abasi (U. Rostock) ; Calaga, Rama (CERN) ; Gorgi Zadeh, Shahnam (CERN) ; van Rienen, Ursula (U. Rostock) Imprint 4 p.
CERN Document Server
Abstract A multi-TeV muon collider offers a spectacular opportunity in the direct exploration of the energy frontier. Offering a combination of unprecedented energy collisions in a comparatively clean leptonic environment, a high energy muon collider has the unique potential to provide both precision measurements and the highest energy reach in one machine that cannot be paralleled by any currently available technology.
CERN Document Server
Home > Impedance minimization of the CERN Super Proton Synchrotron cavities using the generalized coupled $S$-parameter method Title Impedance minimization of the CERN Super Proton Synchrotron cavities using the generalized coupled $S$-parameter method Related title Impedance minimization of the CERN Super Proton Synchrotron cavities using the generalized coupled S-parameter method Author(s) Gorgi Zadeh, Shahnam (Rostock U.) ; Gjonaj, Erion (Darmstadt, Tech.
Optimization of Two-Cell Cavities for the W and H Working Points of the FCC-ee Considering Higher-Order Mode Effects
Home > Optimization of Two-Cell Cavities for the W and H Working Points of the FCC-ee Considering Higher-Order Mode Effects Title Optimization of Two-Cell Cavities for the W and H Working Points of the FCC-ee Considering Higher-Order Mode Effects Related title OPTIMIZATION OF TWO-CELL CAVITIES FOR THE W AND H WORKING POINTS OF THE FCC-ee CONSIDERING HIGHER-ORDER MODE EFFECTS Author(s) Udongwo, Sosoho-Abasi (Rostock U.) ; Calaga, Rama (CERN) ; Gorgi Zadeh, Shahnam (Rostock U.) ; van Rienen,...
HOM damping options for the Z-pole operating scenario of FCC-ee
Title HOM damping options for the Z-pole operating scenario of FCC-ee Author(s) Gorgi Zadeh, Shahnam (U. Rostock) ; Calaga, Rama (CERN) ; Flisgen, Thomas (Berlin FBI) ; van Rienen, Ursula (U. Rostock) Imprint 4 p.
CERN Document Server
Title rf design studies on the 750 MHz radio frequency quadrupole linac for proton-induced x-ray emission analysis Author(s) Pommerenke, Hermann Winrich (CERN ; U. Rostock) ; Bencini, Vittorio (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra Maria (CERN) ; Mathot, Serge (CERN) ; Montesinos, Eric (CERN) ; Timmins, Marc (CERN) ; van Rienen, Ursula (U. Rostock) ; Vretenar, Maurizio (CERN) Imprint 12 p. In: Phys. Rev. Accel.
CERN Document Server
Title Studies of Horizontal Instabilities in the CERN SPS Author(s) Beck, Mario (CERN ; Rostock U.) ; Bartosik, Hannes (CERN) ; Carlà, Michele (CERN) ; Li, Kevin (CERN) ; Rumolo, Giovanni (CERN) ; Schenk, Michael (CERN ; Ecole Polytechnique, Lausanne) ; van Rienen, Ursula (Rostock U.) Imprint 4 p.
CERN Document Server
Title RF Design of a High-frequency RFQ Linac for PIXE Analysis Author(s) Pommerenke, Hermann (CERN ; U. Rostock) ; Bilton, Amy (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra (CERN) ; Mathot, Serge (CERN) ; Montesinos, Eric (CERN) ; Timmins, Marc (CERN) ; Vretenar, Maurizio (CERN) ; van Rienen, Ursula (U. Rostock) Imprint 4 p.
FCC-ee Hybrid RF Scheme
For FCC-ee, the range of beam energies and beam currents is large between each mode of operation, all scaled to an available 50 MW maximum power per beam. The two limiting scenarios for the RF system design are at low energy (45 GeV) with high beam current (1.45 A) and the highest energy (182.5 GeV) with a radiation loss reaching 8.92 GeV per turn. In this paper, RF staging with a hybrid scheme using both 400 MHz and 800 MHz is proposed to mitigate the requirements on the two extremes.
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