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A study of a reacting boundary layer flow with heat transfer at conditions typical for configurations at elevated pressures has been performed using a set of direct numerical simulations. Effects of wall temperatures are investigated,…

Fluid Dynamics · Physics 2021-02-16 Nikolaos Perakis , Oskar Haidn , Matthias Ihme

As liquid xenon TPCs increase in target mass while pursuing the direct detection of WIMP dark matter, the technical challenges arising due to their size call for new solutions and open the discussion on alternative detector concepts.…

Instrumentation and Detectors · Physics 2022-04-14 Fabian Kuger , Julia Dierle , Horst Fischer , Marc Schumann , Francesco Toschi

There is mounting observational evidence from Chandra for strong interaction between keV gas and AGN in cooling flows. It is now widely accepted that the temperatures of cluster cores are maintained at a level of 1 keV and that the mass…

Astrophysics · Physics 2010-04-06 Mateusz Ruszkowski , Mitchell C. Begelman

This work was conducted within the framework of the exploratory French project PEPR SupraFusion, which aims to advance the field of fusion energy by developing High-Temperature Superconductor (HTS)-based demonstrators capable of storing…

Superconductivity · Physics 2026-03-17 Hajar Zgour , Walid Abdel Maksoud , Bertrand Baudouy , Antoine Guinet

A new method for measuring trace amounts of krypton in xenon using a cold trap with a residual gas analyzer has been developed, which achieves an increased sensitivity by temporarily reducing the pumping speed while expending a minimal…

Instrumentation and Detectors · Physics 2015-06-12 Ethan Brown , Stephan Rosendahl , Christian Huhmann , Christian Weinheimer , Hans Kettling

In the described device, the thermal emissivity or absorptivity of the sample is measured by substitution of the radiative heat flow between two parallel surfaces by thermal output of a heater. Fast measurements of the mutual emissivity for…

Instrumentation and Detectors · Physics 2016-10-05 Tomas Kralik , Pavel Hanzelka , Vera Musilova , Ales Srnka

Liquid xenon (LXe) is employed in a number of current and future detectors for rare event searches. We use the EXO-200 experimental data to measure the absolute scintillation and ionization yields generated by $\gamma$ interactions from…

NEXT (Neutrino Experiment with a Xenon TPC) aims to observe the neutrinoless double beta decay of \ensuremath{{}^{136}\rm Xe} in a high-pressure gas xenon Time Projection Chamber using electroluminescence to amplify the signal from…

Instrumentation and Detectors · Physics 2019-08-14 Paola Ferrario

Conventional heat engines typically require two distinct thermal reservoirs, with their efficiency strictly bounded by the Carnot limit. We present a theoretical design for a phase-change heat engine that utilizes water as the working fluid…

Statistical Mechanics · Physics 2026-03-11 Ting Peng

The temperature of the semiconductor diode increases under strong light illumination whether thermoelectric cooler is installed or not, which changes the output wavelength of the laser (Lee M. S. et al., 2017). However, other…

Quantum Physics · Physics 2018-03-22 Yang-Yang Fei , Xiang-Dong Meng , Ming Gao , Yi Yang , Hong Wang , Zhi Ma

We study heating and heat dissipation of a single \c60 molecule in the junction of a scanning tunneling microscope (STM) by measuring the electron current required to thermally decompose the fullerene cage. The power for decomposition…

To stabilize the working temperature of an equipment, a solid-state thermal resistor is usually a requisite, which could adjust its heat conductance continuously according to the temperature. In this work, the thermal conductivity and the…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Congliang Huang , Changkang Du , Qiangqiang Huang , Xiaodong Wang

A high performance distillation system to remove krypton from xenon was constructed, and a purity level of Kr/Xe = $\sim 3 \times 10^{-12}$ was achieved. This development is crucial in facilitating high sensitivity low background…

The paper presents numerical results on an innovative concept of an efficient, site-specific cooling technology for microprocessor hot spots using Alternating Current Electrothermal Flow (ACET). ACET deploys an electrokinetic transport…

Applied Physics · Physics 2018-10-16 Golak Kunti , Jayabrata Dhar , Anandaroop Bhattacharya , Suman Chakraborty

The RELICS (REactor neutrino LIquid xenon Coherent elastic Scattering) experiment employs a dual-phase liquid xenon time projection chamber to search for Coherent Elastic Neutrino-Nucleus Scattering (CE$\nu$NS) induced by reactor neutrinos.…

The Deep Underground Neutrino Experiment (DUNE) will be the next generation long-baseline neutrino experiment. The far detector is designed as a complex of four LAr-TPC (Liquid Argon Time Projection Chamber) modules with 17 kt of liquid…

Instrumentation and Detectors · Physics 2022-01-11 Niccolò Gallice

The neutralization of slow positive ions on solid surfaces can lead to the emission of secondary electrons in Auger-type processes. We discuss the possibility of harnessing such mechanisms to the detection of positive ions in gaseous TPCs.…

Instrumentation and Detectors · Physics 2018-07-04 Lior Arazi

Heat flow control is essential for widespread applications of heating, cooling, energy conversion and utilization. Here we demonstrate the first observation of temperature-gated thermal rectification in vanadium dioxide beams, in which an…

Materials Science · Physics 2014-04-04 Jia Zhu , Kedar Hippalgaonkar , Sheng Shen , Kevin Wang , Junqiao Wu , Xiaobo Yin , Arun Majumdar , Xiang Zhang

Cluster cooling flow models that include both thermal conduction and AGN heating have lower overall mass cooling rates and simultaneously sustain density and temperature profiles similar to those observed with no ad hoc mass dropout. To…

Astrophysics · Physics 2009-11-07 Fabrizio Brighenti , William G. Mathews

The increase in dissipated power per unit area of electronic components sets higher demands on the performance of the heat sink. Also if we continue at our current rate of miniaturisation, laptops and other electronic devices can get heated…

Other Computer Science · Computer Science 2010-04-07 B. Sri Aravindh , T. R. Gopalakrishnan Nair