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Microfabricated ion-trap devices offer a promising pathway towards scalable quantum computing. Research efforts have begun to focus on the engineering challenges associated with developing large-scale ion-trap arrays and networks. However,…

District heating (DH) systems play a pivotal role in decarbonizing the building sector's heat supply. While innovative low-exergy DH and cooling systems are increasingly adopted in new developments, the transformation of existing DH systems…

Systems and Control · Electrical Eng. & Systems 2024-12-19 Jan Stock , Till Schmidt , André Xhonneux , Dirk Müller

Virtually all electronic systems try to optimize a fundamental trade-off between higher performance and lower power consumption. The latter becomes critical in mobile computing systems, such as smartphones, which rely on passive cooling.…

Systems and Control · Electrical Eng. & Systems 2020-03-26 Ganapati Bhat , Suat Gumussoy , Umit Y. Ogras

The ability to robustly and efficiently control the dynamics of nonlinear systems lies at the heart of many current technological challenges, ranging from drug delivery systems to ensuring flight safety. Most such scenarios are too complex…

Fluid Dynamics · Physics 2021-02-16 Radu Cimpeanu , Susana N. Gomes , Demetrios T. Papageorgiou

Two mathematical models are derived to describe the thermal dynamics of a plastics production machine. The Smart Sensor design is based on the finite volume model. The accuracy of the derived finite volume model is validated by a finite…

Optimization and Control · Mathematics 2021-10-22 Kevin Schwarzinger , Kurt Schlacher

We investigate the dynamical control of the heat flux exchanged in near-field regime between a membrane made with a phase-change material and a substrate when the temperature of the membrane is tuned around its critical value. We show that…

Mesoscale and Nanoscale Physics · Physics 2019-02-06 Ivan Latella , Olivier Marconot , Luc Fréchette , Julien Sylvestre , Philippe Ben-Abdallah

Phase slips play a primary role in dissipation across a wide spectrum of bosonic systems, from determining the critical velocity of superfluid helium to generating resistance in thin superconducting wires. This subject has also inspired…

Other Condensed Matter · Physics 2009-11-13 D. McKay , M. White , M. Pasienski , B. DeMarco

In this paper, we present a new model for heat transfer in compressible fluid flows. The model is derived from Hamilton's principle of stationary action in Eulerian coordinates, in a setting where the entropy conservation is recovered as an…

Analysis of PDEs · Mathematics 2024-08-13 Firas Dhaouadi , Sergey Gavrilyuk

In this review the debated rapport between thermodynamics and quantum mechanics is addressed in the framework of the theory of periodically-driven/controlled quantum-thermodynamic machines. The basic model studied here is that of a…

Quantum Physics · Physics 2015-09-15 D. Gelbwaser-Klimovsky , Wolfgang Niedenzu , Gershon Kurizki

This paper studies optimal thermal management and charging of a battery electric vehicle driving over long distance trips. The focus is on the potential benefits of including a heat pump in the thermal management system for waste heat…

Systems and Control · Electrical Eng. & Systems 2022-10-10 Ahad Hamednia , Victor Hanson , Jiaming Zhao , Nikolce Murgovski , Jimmy Forsman , Mitra Pourabdollah , Viktor Larsson , Jonas Fredriksson

It is shown that for the hopping regime, the thermopowers in both finite two-terminal and three-terminal systems are governed by the edges of the samples. This is due to the fact that the energy transfer between a transport electron and a…

Mesoscale and Nanoscale Physics · Physics 2013-05-22 J. -H. Jiang , O. Entin-Wohlman , Y. Imry

Shaping thermoplastic sheets into three-dimensional products is challenging since overheating results in failed manufactured parts and wasted material. To this end, we propose an indirect data-driven predictive control approach using Model…

Systems and Control · Electrical Eng. & Systems 2024-07-25 Hadi Hosseinionari , Mohammad Bajelani , Klaske van Heusden , Abbas S. Milani , Rudolf Seethaler

Thermal management of power electronics and Electronic Control Units is crucial in times of increasing power densities and limited assembly space. Electric and autonomous vehicles are a prominent application field. Thermal Interface…

Systems and Control · Electrical Eng. & Systems 2024-06-11 Simon Baeuerle , Andreas Steimer , Ralf Mikut

We study the optimal control of district heating networks using a reduced order model based on a system theoretic description close to the underlying Euler equations. In the presented scenarios, the central task is to limit the maximal…

Optimization and Control · Mathematics 2019-07-12 Markus Rein , Jan Mohring , Tobias Damm , Axel Klar

Delimiting the bounds of optimal performance for heat engines (HEs), refrigerators (REs), and heat pumps (HPs) is a central goal in thermodynamics. While low-dissipation (LD) models have proven valuable for this purpose, the role of heat…

Statistical Mechanics · Physics 2025-09-09 Zhuolin Ye , Viktor Holubec

Efficient thermal management in high-power electronics cooling can be achieved using phase-change heat transfer devices, such as vapor chambers. Traditional vapor chambers use wicks to transport condensate for efficient thermal exchange and…

Systems and Control · Electrical Eng. & Systems 2024-05-01 Arani Mukhopadhyay , Anish Pal , Congbo Bao , Mohamad Jafari Gukeh , Sudip K. Mazumder , Constantine M. Megaridis

Current leads are utilized to deliver electrical power from a room temperature junction mounted on the vacuum vessel to a superconducting magnet located within the vacuum space of a cryostat. There are many types of current leads used at…

Accelerator Physics · Physics 2012-09-14 M. J. White , X. L. Wang , H. D. Brueck

The emerging field of phase-coherent caloritronics (from the Latin word "calor", i.e., heat) is based on the possibility to control heat currents using the phase difference of the superconducting order parameter. The goal is to design and…

Mesoscale and Nanoscale Physics · Physics 2017-10-09 Antonio Fornieri , Francesco Giazotto

Dynamics of integrable systems, such as Tomonaga-Luttinger (TL) liquids, is deterministic, and the absence of stochastic thermalization processes provides unique characteristics, such as long-lived non-thermal metastable states with many…

Mesoscale and Nanoscale Physics · Physics 2023-05-16 Kotaro Suzuki , Tokuro Hata , Yuya Sato , Takafumi Akiho , Koji Muraki , Toshimasa Fujisawa

Twenty years ago Poole et al. (Nature 360, 324, 1992) suggested that the anomalous properties of supercooled water may be caused by a critical point that terminates a line of liquid-liquid separation of lower-density and higher-density…

Chemical Physics · Physics 2017-08-14 V. Holten , M. A. Anisimov