English
Related papers

Related papers: Optimization of a Microsphere-based Variable Densi…

200 papers

Simulations predict that circumgalactic hydrogen gas surrounding massive ($M_{\rm{halo}}^{z=1}=10^{12}-10^{13}\ M_{\odot}$) galaxies at $z\sim4$ may be predominantly neutral, and could produce damped Ly$\alpha$ absorbers (DLAs) along…

Astrophysics of Galaxies · Physics 2025-12-10 Alon Gurman , Amiel Sternberg , Shmuel Bialy , Rachel K. Cochrane , Jonathan Stern

Numerical simulations predict a considerable fraction of the missing baryons at redshift z ~ 0 resting in the so called warm-hot intergalactic medium (WHIM). The filaments and sheets of the WHIM have high temperatures 10^5 - 10^7 K) and a…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 J. S. Klar , J. P. Mücket

Thin-film transistors composed of a hydrogen-containing indium oxide active layer are promising candidates for backplane devices in next-generation flat panel displays, offering higher definition and faster operation. However, the hydrogen…

A broadband, thermally stable absorber is essential for thermophotovoltaic (TPV) systems to simultaneously convert solar and industrial waste heat into usable energy to meet growing power demands. Here, we proposed an ingenious…

Optics · Physics 2025-09-25 Bibekananda Nath , Ahmed Zubair

Particle beds are widely used in various systems and processes, such as particle heat exchangers, granular flow reactors, and additive manufacturing. Accurate modeling of thermal conductivity of particle beds and understanding of their heat…

Materials Science · Physics 2021-11-10 Jian Zeng , Ka Man Chung , Xintong Zhang , Sarath Adapa , Tianshi Feng , Yu Pei , Renkun Chen

A fast inverse heat conduction model (IHCM) is developed for estimating unknown properties of multi-layer composites considering internal heat generation. This work builds on the validated analytical forward models presented in Part I.…

Applied Physics · Physics 2025-07-10 Gan Fu , Mitrofan Curti , Calina Ciuhu , Elena A. Lomonova

We present two measurements of the temperature-density relationship (TDR) of the intergalactic medium (IGM) in the redshift range $2.55 < z < 2.95$ using a sample of 13 high-quality quasar spectra and high resolution numerical simulations…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-27 Alberto Rorai , Robert F. Carswell , Martin G. Haehnelt , George D. Becker , James S. Bolton , Michael T. Murphy

The key parameter controlling the glass transition of colloidal suspensions is $\varphi$, the fraction of the sample volume occupied by the particles. Unfortunately, changing $\varphi$ by varying an external parameter, \textit{e.g.}…

Soft Condensed Matter · Physics 2022-04-20 J. S. Behra , A. Thiriez , D. Truzzolillo , L. Ramos , L. Cipelletti

Wave Dark Matter (WaveDM) has recently gained attention as a viable candidate to account for the dark matter content of the Universe. In this paper we explore the extent to which dark matter halos in this model, and under what conditions,…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-08 Antonio Herrera-Martín , Martin Hendry , Alma X. Gonzalez-Morales , L. Arturo Ureña-López

Hyper-viscoelastic polymers have multiple areas of application including aerospace, biomedicine, and automotive. Their mechanical responses are therefore extremely important to understand, particularly because they exhibit strong rate and…

Soft Condensed Matter · Physics 2018-08-01 Akash Trivedi , Clive Siviour

In this study we explore the complex multi-phase gas of the circumgalactic medium (CGM) surrounding galaxies. We propose and implement a novel, super-Lagrangian 'CGM zoom' scheme in the moving-mesh code AREPO, which focuses more resolution…

Astrophysics of Galaxies · Physics 2018-12-26 Joshua Suresh , Dylan Nelson , Shy Genel , Kate Rubin , Lars Hernquist

We study optimization of superconducting properties of inhomogeneous nanowires. The main goal of this research is to find an optimized geometry that allows one to maximize the desired property of superconductors, such as the maximum value…

Superconductivity · Physics 2009-11-13 Ilya Grigorenko , Jian-Xin Zhu , Alexander Balatsky

We calculate the coupled hydrostatic and ionization structures of pressure-supported gas clouds that are confined by gravitationally dominant dark-matter (DM) mini-halos and by an external bounding pressure provided by a hot medium. We…

Astrophysics · Physics 2011-08-23 A. Sternberg , C. F. McKee , M. G. Wolfire

Ubiquitous detections of cold/warm gas around galaxies indicate that the circumgalactic medium (CGM) is multiphase and dynamic. Recent state-of-the-art cosmological galaxy simulations have generally underproduced the column density of cold…

Astrophysics of Galaxies · Physics 2020-01-08 Cameron J. Liang , Ian S. Remming

We developed high-performance thermal interface materials (TIMs) based on few-layer graphene (FLG) composite, where FLG was prepared by the interlayer catalytic exfoliation (ICE) method. We experimentally demonstrated feasibility of FLG…

Materials Science · Physics 2017-02-28 Wonjun Park , Yufen Guo , Xiangyu Li , Jiuning Hu , Liwei Liu , Xiulin Ruan , Yong P. Chen

The absorption by neutral hydrogen in the intergalactic medium (IGM) produces the Ly$\alpha$ forest in the spectra of quasars. The Ly$\alpha$ forest absorbers have a broad distribution of neutral hydrogen column density $N_{\rm HI}$ and…

Astrophysics of Galaxies · Physics 2023-04-05 Li Yang , Zheng Zheng , T. -S. Kim

Artificially designed composite materials consist of microstructures, that exhibit various thermal properties depending on their shapes, such as anisotropic thermal conductivity. One of the representative applications of such composite…

Computational Engineering, Finance, and Science · Computer Science 2023-02-27 Makoto Nakagawa , Yuki Noguchi , Kei Matsushima , Takayuki Yamada

This article combines shape optimization and homogenization techniques by looking for the optimal design of the microstructure in composite materials and of scaffolds. The development of materials with specific properties is of huge…

Optimization and Control · Mathematics 2019-07-16 Marc Dambrine , Helmut Harbrecht

The circumgalactic medium (CGM) in $\gtrsim 10^{12}$ $\mathrm{M}_{\odot}$ halos is dominated by a hot phase ($T \gtrsim 10^{6}$ K). While many models exist for the hot gas structure, there is as yet no consensus. We compare cooling flow…

We report the design and characterization of a self-assembled, locally resonant acoustic metamaterial for Lamb waves, composed of a monolayer of $1.02$ $\mu$m polystyrene microspheres adhered to a $1.3$ $\mu$m thick free-standing silicon…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 Amey Khanolkar , Samuel Wallen , Maroun Abi Ghanem , Jennifer Jenks , Nicolas Vogel , Nicholas Boechler