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Thermoelectric power sensors used as power transfer standards are promising devices for further enhancements of the microcalorimetric technique in the high frequency field. A coaxial microcalorimeter has been studied, based on…

仪器与探测器 · 物理学 2021-03-09 L. Brunetti , L. Oberto , M. Sellone , E. Vremera

We introduce a metasurface-based system for the microwave hyperthermia treatment of brain tumors, where the metasurface is designed by the time-reversal technique for optimal focusing at the location of the tumor. Compared to previous…

医学物理 · 物理学 2023-01-04 Mohamad J. Hajiahmadi , Reza Faraji-Dana , Christophe Caloz

Electroporation is a complex, iterative, and nonlinear phenomenon that is often studied by numerical simulations. In recent years, tissue electroporation simulations have been performed using static models. However, the results of a static…

系统与控制 · 电气工程与系统科学 2024-03-08 Raul Guedert , Daniella L. L. S. Andrade , Jéssica Rodrigues , Guilherme B. Pintarelli , Daniela O. H. Suzuki

We introduce a technique based on infrared thermal emission, termed depth thermography, that can remotely measure the temperature distribution beneath the surface of certain objects. Depth thermography utilizes the thermal-emission spectrum…

光学 · 物理学 2019-08-22 Yuzhe Xiao , Chenghao Wan , Alireza Shahsafi , Jad Salman , Mikhail A. Kats

Proteins can be regarded as thermal nanosensors in an intra-body network. Upon being stimulated by Terahertz (THz) frequencies that match their vibrational modes, protein molecules experience resonant absorption and dissipate their energy…

分子网络 · 定量生物学 2024-07-01 Hadeel Elayan , Samar Elmaadawy , Andrew W. Eckford , Raviraj Adve , Josep Jornet

The transmission coefficient for vibrational waves crossing an abrupt junction between two thin elastic plates of different widths is calculated. These calculations are relevant to ballistic phonon thermal transport at low temperatures in…

介观与纳米尺度物理 · 物理学 2009-04-21 M. C. Cross , Ron Lifshitz

Low-loss waveguides are required for quantum communication at distances beyond the chip-scale for any low-temperature solid-state implementation of quantum information processors. We measure and analyze the attenuation constant of…

介观与纳米尺度物理 · 物理学 2018-03-30 P. Kurpiers , T. Walter , P. Magnard , Y. Salathe , A. Wallraff

Besides the lot of advantages offered by the 3D stacking of devices in an integrated circuit there is a chance of device damage due to rise in peak temperature value. Hence, in order to make use of all the potential benefits of the vertical…

新兴技术 · 计算机科学 2012-03-09 Ramya Menon C. , Vinod Pangracious

This study utilizes mathematical modeling to offer computational insights into biological heat transfer within elastic skin tissues. This heat transfer is driven by a moving heat source that relies on various relaxation times. Time delay…

组织与器官 · 定量生物学 2024-10-14 Abdelrahman A. Abbas , Ibrahim A. Abbas , Aboelnour N. Abdalla

It is generally recognized that the interstellar medium has a vast range of densities and temperatures. While these two properties are usually anticorrelated with each other, there are nevertheless variations in their product, i.e., the…

天体物理学 · 物理学 2007-05-23 Edward B. Jenkins , Todd M. Tripp

5G mmWave, as a revolutionary cellular technology, holds monumental potential for innovations in many academic and industrial areas. However, widespread adoption of this technology is hindered by the severe overheating issues experienced by…

信号处理 · 电气工程与系统科学 2023-04-14 Henglin Pu , Xingqi Wu

This paper addresses the design and implementation of a real time temperature monitoring system with applications in telemedicine. The system consists of a number of precision wireless thermometers which are conceived and realized to…

信号处理 · 电气工程与系统科学 2020-06-23 Amir Javadpour , Hamidreza Memarzadeh Tehran , Fatemeh Saghafi

To determine the electron heat flux density on macroscopic scales, the most widely used approach is to solve a diffusion equation through a multi-group technique. This method is however restricted to transport induced by temperature…

等离子体物理 · 物理学 2022-06-15 A. Chrisment , P. Loiseau , J. -L. Feugeas , P. -E. Masson-Laborde , J. Mathiaud , V. Tikhonchuk , Ph. Nicolaï

This work presents a systematic design of a metasurface-based microwave hyperthermia system, leveraging the time-reversal technique to achieve precise focusing of electromagnetic energy at deep-seated brain tumors. The manuscript includes…

医学物理 · 物理学 2025-09-19 Alireza Rahmani , Mohammad Javad Hajiahmadi , Reza Faraji-Dana

Three decades into the research seeking to derive the urban energy budget, the dynamics of the thermal exchange between the densely built infrastructure and the environment are still not well understood. We present a novel hybrid…

大气与海洋物理 · 物理学 2017-08-29 Masoud Ghandehari , Thorsten Emig , Milad Aghamohamadnia

The use of microwave tomography (MWT) in an industrial drying process is demonstrated in this feasibility study with synthetic measurement data. The studied imaging modality is applied to estimate the moisture content distribution in a…

应用物理 · 物理学 2020-09-14 Timo Lähivaara , Rahul Yadav , Guido Link , Marko Vauhkonen

This paper presents nonlinear iterative methods for the fundamental thermal radiative transfer (TRT) model defined by the time-dependent multifrequency radiative transfer (RT) equation and the material energy balance (MEB) equation. The…

数值分析 · 数学 2024-09-24 Dmitriy Y. Anistratov

The paper describes a method for measuring the thermal diffusivity of materials having a high thermal conductivity. The apparatus is rather simple and low-cost, being therefore suitable in a laboratory for undergraduate students of…

物理教育 · 物理学 2014-01-15 Amelia Carolina Sparavigna

Interfaces play an essential role in phonon-mediated heat conduction in solids, impacting applications ranging from thermoelectric waste heat recovery to heat dissipation in electronics. From a microscopic perspective, interfacial phonon…

介观与纳米尺度物理 · 物理学 2015-09-28 Chengyun Hua , Xiangwen Chen , Navaneetha K. Ravichandran , Austin J. Minnich

This thesis describes the measurement and analysis of the transmission matrix (TM) for microwave radiation propagating through multichannel random waveguides in the crossover to Anderson localization. Eigenvalues of the transmission matrix…

无序系统与神经网络 · 物理学 2014-02-17 Zhou Shi