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Temperature sensors with micro- and nanoscale spatial resolution have long been explored for their potential to investigate the details of physical systems at an unprecedented scale. In particular, the rapid miniaturization of transistor…

Recently, multi-mode antennas have been studied for communication as well as localization purposes. In this work, the capabilities provided by a single planar multi-mode radiator as a steerable multi-port antenna are explored. As an…

Signal Processing · Electrical Eng. & Systems 2022-09-23 Nils L. Johannsen , Peter A. Hoeher

Directional design of functional materials with multi-objective constraints is a big challenge, whose performance and stability are determined by different physics factors entangled with each other complicatedly. In this work, we apply the…

Materials Science · Physics 2021-03-08 Shenshen Yan , Yi Wang , Zhibin Gao , Yang Long , Jie Ren

Determining the optimal location of control cabinet components requires the exploration of a large configuration space. For real-world control cabinets it is impractical to evaluate all possible cabinet configurations. Therefore, we need to…

Other Computer Science · Computer Science 2019-06-13 Sabri Pllana , Suejb Memeti , Joanna Kolodziej

Efficient thermal management in high-power electronic devices requires cooling channel designs that provide high heat removal while satisfying strict spatial and manufacturing constraints. This study presents a two-stage hierarchical…

Optimization and Control · Mathematics 2026-03-31 Shunsuke Hirotani , Kunitaka Shintani , Yoshikatsu Furusawa , Kentaro Yaji

Topology optimization is used to systematically design contact-aided thermo-mechanical regulators, i.e. components whose effective thermal conductivity is tunable by mechanical deformation and contact. The thermo-mechanical interactions are…

Computational Engineering, Finance, and Science · Computer Science 2024-06-04 Anna Dalklint , Joe Alexandersen , Andreas Henrik Frederiksen , Konstantinos Poulios , Ole Sigmund

Design of antenna structures for Internet of Things (IoT) applications is a challenging problem. Contemporary radiators are often subject to a number of electric and/or radiation-related requirements, but also constraints imposed by…

Numerical Analysis · Mathematics 2026-03-05 Khadijeh Askaripour , Adrian Bekasiewicz , Slawomir Koziel

We analyse the number density and radial distribution of substructures and satellite galaxies using cosmological simulations that follow the gas dynamics of a baryonic component, including shock heating, radiative cooling and star formation…

Astrophysics · Physics 2009-11-11 Andrea V. Maccio' , Ben Moore , Joachim Stadel , Juerg Diemand

We report on an optimized micro-machined thermal flow-rate sensor as part of an autonomous multi-parameter sensing device for water network monitoring. The sensor has been optimized under the following constraints: low power consumption and…

Instrumentation and Detectors · Physics 2018-04-23 Shaun Ferdous , Sreyash Sarkar , Frederic Marty , Patrick Poulichet , William César , E. Nefzaoui , Tarik Bourouina

We propose in this article a method to generate radiative coolers which are reflective in the solar spectrum and emissive in the transparency window of the atmosphere (8-13 $\mu$m). We choose an approach combining thermal control capacity…

Applied Physics · Physics 2018-02-07 Armande Hervé , Jeremie Drevillon , Younes Ezzahri , Karl Joulain

This correspondence presents a convex-optimization-based evaluation framework of satellite-swarm-based apertures maintained by magnetic-field interactions. Spaceborne distributed apertures are composed of multiple satellites and are…

Multiagent Systems · Computer Science 2026-05-08 Yuta Takahashi , Seang Shim , Hiraku Sakamoto , Shin-ichiro Sakai

The thermal conductivity of Functionally Graded Materials (FGMs) can be efficiently designed through topology optimization to obtain thermal meta-structures that actively steer the heat flow. Compared to conventional analytical design…

Computational Engineering, Finance, and Science · Computer Science 2024-12-04 Chintan Jansari , Stéphane P. A. Bordas , Marco Montemurro , Elena Atroshchenko

In small satellites there is less room for heat control equipment, scientific instruments, and electronic components. Furthermore, the near proximity of electronic components makes power dissipation difficult, with the risk of not being…

Machine Learning · Computer Science 2025-07-03 Alejandro D. Mousist

Low-thrust electric propulsion missions are often designed under simplifying assumptions such as constant thrust or fixed specific impulse, neglecting the strong coupling between trajectory dynamics, spacecraft power availability, and…

Systems and Control · Electrical Eng. & Systems 2026-03-05 Yacob Medhin , Tushar Sial , Simone Servadio

Thermal emission caused by the thermal motion of the charged particles is commonly broadband, un-polarized, and incoherent, like a melting pot of electromagnetic waves, which makes it unsuitable for infrared applications in many cases…

Optics · Physics 2024-01-24 Qiongqiong Chu , Fan Zhong , Xiaohe Shang , Ye Zhang , Shining Zhu , Hui Liu

Mimicking vascular systems in living beings, designers have realized microvascular composites to achieve thermal regulation and other functionalities, such as electromagnetic modulation, sensing, and healing. Such material systems avail…

Numerical Analysis · Mathematics 2024-01-30 Kalyana B. Nakshatrala

A radiator is typically a parabolic mirror illuminated by an electromagnetic source, or a cylindrical transducer of resonant vibrations. Both of these devices are designed to radiate either a beam of parallel rays or a (focused) beam that…

Classical Physics · Physics 2007-05-23 Armand Wirgin

The fact that a proper HVAC control strategy can reduce the energy consumption of a building by up to 45% has driven significant research in demand-based HVAC control. This paper presents a novel framework for modeling and analysis of…

Systems and Control · Computer Science 2019-03-15 Khaza Anuarul Hoque , Nathalie Cauchi , Alessandro Abate

We consider the optimization of a smart radio environment where meta-surfaces are employed to improve the performance of multiuser wireless networks working at sub-THz frequencies. Motivated by the extreme sparsity of the THz channel we…

Information Theory · Computer Science 2022-05-18 Alberto Tarable , Francesco Malandrino , Laura Dossi , Roberto Nebuloni , Giuseppe Virone , Alessandro Nordio

Thermal diodes that enable directional heat transport are essential for advanced thermal management in microelectronics, energy systems, and thermal logic devices. However, existing designs based on phase-change materials, nanostructures,…

Applied Physics · Physics 2025-07-01 Qinyun Ding , Yuhao Wang , Guanqing Xiong , Wei Chen , Ying Chen , Zhaoguang Wang , Arup Neogi , Jaehyung Ju