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16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020

作者： Teli, Despoina Hellwig, Runa T. Schweiker, Marcel Choi, Joon-Ho Lee, M.C. Jeffrey Mora, Rodrigo Rawal, Rajan Wang, Zhaojun Al-Atrash, Farah Department of Architecture and Civil Engineering Chalmers University Sweden Department of Architecture Design and Media Technology Aalborg University Denmark Institute for Occupational Social and Environmental Medicine RWTH Aachen University Aachen Germany Building Science School of Architecture University of Southern California United States Department of Interior Design National Taichung University of Science and Technology Taiwan Building Science Graduate Program British Columbia Institute of Technology Canada Centre for Advanced Research in Building Science and Energy CEPT University India School of Architecture Harbin Institute of Technology China School of Architecture and Built Environment German Jordanian University Jordan

ISBN: (纸本)9781713823605

Traditional building design education in the disciplines of building services, civil engineering, mechanical engineering, etc. focusses on quantifiable factors, i.e. factors which can be subject of calculation, simulation and dimensioning. Since non-quantifiable factors are not part of calculation or simulation models, there is a tendency that they are not adequately considered in education and, as a result, in building planning and operation. In the case of human thermal comfort, building professionals are required to understand the mechanisms and impact of non-quantifiable factors related to human thermal comfort and health, most of which are part of the adaptive thermal comfort concept. This paper identifies the challenges in teaching the concept of adaptive thermal comfort through a collection of lived experiences of the authors. The paper then proposes appropriate intended learning outcomes and teaching methods to equip students with the background knowledge, understanding and skills required to consider human adaptation in their designs. © 2020 16th Conference of the International Society of Indoor Air Quality and Climate: Creative and Smart Solutions for Better Built Environments, Indoor Air 2020. All rights reserved.

关键词： Students

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BEHAVIOUR OF THE NORMALIZED DEPTH FUNCTION

arXiv

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arXiv 2022年

作者： Ficarra, Antonino Herzog, Jürgen Hibi, Takayuki Department of Mathematics and Computer Sciences Physics and Earth Sciences University of Messina Viale Ferdinando Stagno d'Alcontres 31 Messina98166 Italy Fakultät für Mathematik Universität Duisburg-Essen Essen45117 Germany Department of Pure and Applied Mathematics Graduate School of Information Science and Technology Osaka University Osaka Suita565-0871 Japan

Let I ⊂ S = K[x1, ..., xn] be a squarefree monomial ideal, K a field. The kth squarefree power I[k] of I is the monomial ideal of S generated by all squarefree monomials belonging to Ik. The biggest integer k such that I[k] ≠ (0) is called the monomial grade of I and it is denoted by ν(I). Let dk be the minimum degree of the monomials belonging to I[k]. Then, depth(S/I[k]) ≥ dk − 1 for all 1 ≤ k ≤ ν(I). The normalized depth function of I is defined as gI(k) = depth(S/I[k]) − (dk − 1), 1 ≤ k ≤ ν(I). It is expected that gI(k) is a non-increasing function for any I. In this article we study the behaviour of gI(k) under various operations on monomial ideals. Our main result characterizes all cochordal graphs G such that for the edge ideal I(G) of G we have gI(G)(1) = 1. They are precisely all cochordal graphs G whose complementary graph Gc is connected and has a cut vertex. As a far-reaching application, for given integers 1 ≤ s ν(I(G)) = m and gI(G)(k) = 0 if and only if k = s + 1, ..., m. Finally, we show that any non-increasing function of non-negative integers is the normalized depth function of some squarefree monomial *** Codes 13C15, 05E40, 05C70 © 2022, CC BY-SA.

关键词： Graph theory

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Simulating local fields in carbon nanotube reinforced composites for infinite strip with voids

arXiv

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arXiv 2021年

作者： Nasser, Mohamed M.S. Kalmoun, El Mostafa Mityushev, Vladimir Rylko, Natalia Mathematics Program Department of Mathematics Statistics and Physics College of Arts and Sciences Qatar University Doha Qatar School of Science and Engineering Al Akhawayn University in Ifrane PO Box 104 Ifrane53000 Morocco Faculty of Computer Science and Telecommunications Cracow University of Technology Kraków Poland

We consider the steady heat conduction problem within a thermal isotropic and homogeneous infinite strip composite reinforced by uniformly and randomly distributed non-overlapping carbon nanotubes (CNTs) and containing voids. We treat the CNTs as thin perfectly conducting elliptic inclusions and assume the voids to be of circular shape and act as barriers to heat flow. We also impose isothermal conditions on the external boundaries by assuming the lower infinite wall to be a heater under a given temperature, and the upper wall to be a cooler that can be held at a lower fixed temperature. The equations for the temperature distribution are governed by the two-dimensional Laplace equation with mixed Dirichlet-Neumann boundary conditions. The resulting boundary value problem is solved using the boundary integral equation with the generalized Neumann kernel. We illustrate the performance of the proposed method through several numerical examples including the case of the presence a large number of CNTs and voids. © 2021, CC BY-NC-ND.

关键词： Carbon nanotubes

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DSRC-enabled train safety communication system at unmanned crossings

arXiv

引用

arXiv 2021年

作者： Choi, Junsung Marojevic, Vuk Dietrich, Carl B. Ahn, Seungyoung The CCS Graduate School of Green Transportation Korea Advanced Institute of Science and Technology Daejeon34051 Korea Republic of The Department of Electrical and Computer Engineering Mississippi State University StarkvilleMS39752 United States The Bradley Department of Electrical and Computer Engineering Virginia Tech BlacksburgVA24060 United States

Although wireless technology is available for safety-critical applications, few applications have been used to improve train crossing safety. To prevent potential collisions between trains and vehicles, we present a Dedicated Short-Range Communication (DSRC)-enabled train safety communication system targeting to implement at unmanned crossings. Since our application's purpose is preventing collisions between trains and vehicles, we present a method to calculate the minimum required warning time for head-to-head collision at the train crossing. Furthermore, we define the best- and worst-case scenarios and provide practical measurements at six operating crossings in the U.S. with numerous system configurations such as modulation scheme, transmission power, antenna type, train speed, and vehicle braking distances. From our measurements, we find that the warning application coverage range is independent of the train speed, that the omnidirectional antenna with high transmission power is the best configuration for our system, and that the latency values are mostly less than 5 ms. We use the radio communication coverage to evaluate the time to avoid collision and introduce the safeness level metric. From the measured data, we observe that the DSRC-enabled train safety communication system is feasible for up to 35 mph train speeds which is providing more than 25-30 s time to avoid the collision for 25-65 mph vehicle speeds. Higher train speeds are expected to be safe, but more measurements beyond the 200 m mark with respect to a crossing considered here are needed for a definite conclusion. Copyright © 2021, The Authors. All rights reserved.

关键词： Dedicated short range communications

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Molecular outflow in the reionization-epoch quasar J2054-0005 revealed by OH 119 μm observations

arXiv

引用

arXiv 2023年

作者： Salak, Dragan Hashimoto, Takuya Inoue, Akio K. Bakx, Tom J.L.C. Donevski, Darko Tamura, Yoichi Sugahara, Yuma Kuno, Nario Miyamoto, Yusuke Fujimoto, Seiji Suphapolthaworn, Suphakorn Institute for the Advancement of Higher Education Hokkaido University Kita 17 Nishi 8 Kita-ku Hokkaido Sapporo060-0817 Japan Department of Cosmosciences Graduate School of Science Hokkaido University Kita 10 Nishi 8 Kita-ku Hokkaido Sapporo060-0810 Japan Faculty of Pure and Applied Science University of Tsukuba Ibaraki305-8571 Japan Department of Physics School of Advanced Science and Engineering Faculty of Science and Engineering Waseda University 3-4-1 Okubo Shinjuku Tokyo169-8555 Japan Waseda Research Institute for Science and Engineering Faculty of Science and Engineering Waseda University 3-4-1 Okubo Shinjuku Tokyo169-8555 Japan Department of Space Earth & Environment Chalmers University of Technology Chalmersplatsen 4 Gothenburg412 96 Sweden Pasteura 7 Warsaw02-093 Poland SISSA ISAS Via Bonomea 265 TriesteI-34136 Italy IFPU Institute for Fundamental Physics of the Universe Via Beirut 2 TriesteI-34014 Italy Division of Particle and Astrophysical Science Graduate School of Science Nagoya University Aichi 464-8602 Japan National Astronomical Observatory of Japan 2-21-1 Osawa Mitaka Tokyo181-8588 Japan Department of Electrical Electronic and Computer Engineering Fukui University of Technology 3-6-1 Gakuen Fukui Fukui910-8505 Japan Department of Astronomy The University of Texas at Austin AustinTX78712 United States

Molecular outflows are expected to play a key role in galaxy evolution at high redshift. To study the impact of outflows on star formation at the epoch of reionization, we performed sensitive ALMA observations of OH 119 µm toward J2054-0005, a luminous quasar at z = 6.04. The OH line is detected and exhibits a P-Cygni profile that can be fitted with a broad blue-shifted absorption component, providing unambiguous evidence of an outflow, and an emission component at near-systemic velocity. The mean and terminal outflow velocities are estimated to be vout ≈ 670 km s-1 and 1500 km s-1, respectively, making the molecular outflow in this quasar one of the fastest at the epoch of reionization. The OH line is marginally spatially resolved for the first time in a quasar at z > 6, revealing that the outflow extends over the central 2 kpc region. The mass outflow rate is comparable to the star formation rate (M·out/SFR ∼ 2), indicating rapid (∼ 107 yr) quenching of star formation. The mass outflow rate in a sample of star-forming galaxies and quasars at 4 Copyright © 2023, The Authors. All rights reserved.

关键词： Stars

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Nanoparticle localization within chiral liquid crystal defect lines and nanoparticle interactions

引用

Physical Review E 2023年第3期107卷 034701-034701页

作者： Mykola Tasinkevych Sungoh Park Haridas Mundoor Ivan I. Smalyukh SOFT Group School of Science and Technology Nottingham Trent University Clifton Lane Nottingham NG11 8NS United Kingdom Departamento de Física and Centro de Física Teórica e Computacional Faculdade de Ciências Universidade de Lisboa 1749-016 Lisboa Portugal International Institute for Sustainability with Knotted Chiral Meta Matter Hiroshima University Higashihiroshima 739-8511 Japan Department of Physics University of Colorado Boulder Colorado 80309 USA Soft Materials Research Center Department of Electrical Computer and Energy Engineering and Materials Science and Engineering Program and Renewable and Sustainable Energy Institute National Renewable Energy Laboratory University of Colorado Boulder Colorado 80309 USA

Self-assembly of colloidal particles into predefined structures is a promising way to design inexpensive manmade materials with advanced macroscopic properties. Doping of nematic liquid crystals (LCs) with nanoparticles has a series of advantages in addressing these grand scientific and engineering challenges. It also provides a very rich soft matter platform for the discovery of unique condensed matter phases. The LC host naturally allows the realization of diverse anisotropic interparticle interactions, enriched by the spontaneous alignment of anisotropic particles due to the boundary conditions of the LC director. Here we demonstrate theoretically and experimentally that the ability of LC media to host topological defect lines can be used as a tool to probe the behavior of individual nanoparticles as well as effective interactions between them. LC defect lines irreversibly trap nanoparticles enabling controlled particle movement along the defect line with the use of a laser tweezer. Minimization of Landau–de Gennes free energy reveals a sensitivity of the ensuing effective nanoparticle interaction to the shape of the particle, surface anchoring strength, and temperature, which determine not only the strength of the interaction but also its repulsive or attractive character. Theoretical results are supported qualitatively by experimental observations. This work may pave the way toward designing controlled linear assemblies as well as one-dimensional crystals of nanoparticles such as gold nanorods or quantum dots with tunable interparticle spacing.

关键词： Charged colloids Complex fluids Liquid crystals

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Mathematical representation of emotion using multimodal recognition model with deep multitask learning

IEEJ Transactions on Electronics, Information and Systems

引用

IEEJ Transactions on Electronics, Information and Systems 2020年第12期140卷 1343-1351页

作者： Harata, Seiichi Sakuma, Takuto Kato, Shohei Computer Science Program Department of Engineering Graduate School of Engineering Nagoya Institute of Technology Gokiso-cho Showa-ku Nagoya-city Aichi466-8555 Japan Frontier Research Institute for Information Science Nagoya Institute of Technology Gokiso-cho Showa-ku Nagoya-city Aichi466-8555 Japan

To emulate human emotions in robots, the mathematical representation of emotion is important for each component of affective computing, such as emotion recognition, generation, and expression. In a method that learns DNN from unimodality and represents emotions by vectors of continuous values (Emotional Space), the acquired Emotional Space is likely to depend on the modality, and considering the number of dimensions of Emotional Space is necessary. In this study, we aim at the acquisition of modality independent Emotional Space. We propose a method of acquiring Emotional Space by integrating multimodalities on a DNN and combining the emotion recognition task and unification task of Emotional Space of each modality. Through the experiments with audio-visual data, we confirmed in various dimensions of Emotional Space that there are differences in Emotional Space acquired from unimodality, and the proposed method can acquire a modality independent Emotional Space. We also investigated the compatibility of the recognition and the unification score by changing the number of dimensions of Emotional Space. Finally, we indicate the proposed method can acquire sufficient Emotional Space with a small number of dimensions, such as five or six dimensions, under this paper's experimental conditions. © 2020 The Institute of Electrical Engineers of Japan.

关键词： Deep neural networks

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The weak min-max property in Banach spaces

arXiv

引用

arXiv 2021年

作者： Ouyang, Zhengyong Rasila, Antti Guan, Tiantian School of Mathematics and Big Data Foshan University Foshan Guangdong528000 China Mathematics with Computer Science Program Guangdong Technion-Israel Institute of Technology 241 Daxue Road Shantou Guang-dong515063 China Department of Mathematics Technion-Israel Institute of Technology Haifa32000 Israel

In this paper, we investigate the relationship between the weak minmax property and the diameter uniformity of domains in Banach spaces with dimensions at least 2. As an application, we show that diameter uniform domains are invariant under relatively quasimöbius *** Codes Primary: 30C65, Secondary: 30C20. Copyright © 2021, The Authors. All rights reserved.

关键词： Mapping

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Special Issue Review: Artificial Intelligence and Machine Learning Applications in Remote Sensing

引用

Remote Sensing 2023年第3期15卷

作者： Chen, Ying-Nong Fan, Kuo-Chin Chang, Yang-Lang Moriyama, Toshifumi Center for Space and Remote Sensing Research National Central University No. 300 Jhongda Rd. Jhongli Dist. Taoyuan City32001 Taiwan Department of Computer Science and Information Engineering National Central University No. 300 Jhongda Rd. Jhongli Dist. Taoyuan City32001 Taiwan Department of Electrical Engineering National Taipei University of Technology Taipei10608 Taiwan Graduate School of Engineering Nagasaki University 1-14 Bunkyo-Machi Nagasaki852-8521 Japan

Remote sensing is used in an increasingly wide range of applications. Models and methodologies based on artificial intelligence (AI) are commonly used to increase the performance of remote sensing technologies. Deep learning (DL) models are the most widely researched AI-based models because of their effectiveness and high performance. Therefore, we organized a Special Issue on remote sensing titled "Artificial Intelligence and Machine Learning Applications in Remote Sensing." In this paper, we review nine articles included in this Special Issue, most of which report studies based on satellite data and DL, reflecting the most prevalent trends in remote sensing research, as well as how DL architecture and the functioning of DL models can be analyzed and explained is a hot topic in AI research. DL methods can outperform conventional machine learning methods in remote sensing;however, DL remains a black box and understanding the details of the mechanisms through which DL models make decisions is difficult. Therefore, researchers must continue to investigate how explainable DL methods for use in the field of remote sensing can be developed. © 2023 by the authors.

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Measurement of cosmic-ray muon spallation products in a xenon-loaded liquid scintillator with KamLAND

引用

Physical Review C 2023年第5期107卷 054612-054612页

作者： S. Abe S. Asami M. Eizuka S. Futagi A. Gando Y. Gando T. Gima A. Goto T. Hachiya K. Hata K. Hosokawa K. Ichimura S. Ieki H. Ikeda K. Inoue K. Ishidoshiro Y. Kamei N. Kawada Y. Kishimoto M. Koga M. Kurasawa T. Mitsui H. Miyake T. Nakahata K. Nakamura R. Nakamura H. Ozaki T. Sakai I. Shimizu J. Shirai K. Shiraishi A. Suzuki Y. Suzuki A. Takeuchi K. Tamae H. Watanabe Y. Yoshida S. Obara A. K. Ichikawa S. Yoshida S. Umehara K. Fushimi K. Kotera Y. Urano B. E. Berger B. K. Fujikawa J. G. Learned J. Maricic S. N. Axani Z. Fu J. Smolsky L. A. Winslow Y. Efremenko H. J. Karwowski D. M. Markoff W. Tornow S. Dell'Oro T. O'Donnell J. A. Detwiler S. Enomoto M. P. Decowski K. M. Weerman C. Grant A. Li H. Song Research Center for Neutrino Science Tohoku University Sendai 980-8578 Japan Department of Human Science Obihiro University of Agriculture Veterinary Medicine Obihiro Hokkaido 080-8555 Japan Institute for the Physics and Mathematics of the Universe The University of Tokyo Kashiwa 277-8568 Japan Graduate Program on Physics for the Universe Tohoku University Sendai 980-8578 Japan Frontier Research Institute for Interdisciplinary Sciences Tohoku University Sendai 980-8578 Japan Department of Physics Tohoku University Sendai 980-8578 Japan Graduate School of Science Osaka University Toyonaka Osaka 560-0043 Japan Research Center for Nuclear Physics (RCNP) Osaka University Ibaraki Osaka 567-0047 Japan Graduate School of Advanced Technology and Science Tokushima University Tokushima 770-8506 Japan Graduate School of Integrated Arts and Sciences Tokushima University Tokushima 770-8502 Japan Nuclear Science Division Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Physics and Astronomy University of Hawaii at Manoa Honolulu Hawaii 96822 USA Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37996 USA Triangle Universities Nuclear Laboratory Durham North Carolina 27708 USA The University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599 USA North Carolina Central University Durham North Carolina 27701 USA Physics Department at Duke University Durham North Carolina 27705 USA Center for Neutrino Physics Virginia Polytechnic Institute and State University Blacksburg Virginia 24061 USA Center for Experimental Nuclear Physics and Astrophysics University of Washington Seattle Washington 98195 USA Nikhef and the University of Amsterdam Science Park Amsterdam the Netherlands Boston University Boston Massachusetts 02215 USA

Cosmic-ray muons produce various radioisotopes when passing through material. These spallation products can be backgrounds for rare event searches such as in solar neutrino, double-β decay, and dark matter search experiments. The KamLAND-Zen experiment searches for neutrinoless double-β decay in 745 kg of xenon dissolved in liquid scintillator. The experiment includes dead-time-free electronics with a high efficiency for detecting muon-induced neutrons. The production yields of different radioisotopes are measured with a combination of delayed coincidence techniques, newly developed muon reconstruction, and xenon spallation identification methods. The observed xenon spallation products are consistent with results from the fluka and geant4 simulation codes.

关键词： Nuclear reactions Nuclear structure & decays Cosmic ray & astroparticle detectors

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