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Kaixin Wei, Peiji Shi, Pili Bao, Xianping Gao, Yang Du and Yanzhou Qin
The convection thermal coupling between adjacent power devices in power converters is dependent on the ambient temperature. When the ambient temperature changes, the convection thermal coupling also changes. This results in an inaccurate thermal model th...
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Krzysztof Górecki and Pawel Górecki
The presented results can be applied in computer analyses of switched networks and in the proper estimation of the junction temperature of transistors in such networks.
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Yicheng Yang, Zhaoguo Mi, Wencan Zhang, Jiaqi Chang, Yongjun Liu, Bintao Zhong and Weihua Yang
The labyrinth-honeycomb seals have been widely used in aero-engine. However, radial cracks appear on labyrinth seal fins of shrouded turbine blade in use. To clarify the rubbing mode of radial crack initiation, a high-speed rubbing test bench was designe...
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Gunnar Suchaneck, Evgenii Artiukh, Nikolai A. Sobolev, Eugene Telesh, Nikolay Kalanda, Dmitry A. Kiselev, Tatiana S. Ilina and Gerald Gerlach
Thin-film strontium ferromolybdate is a promising material for applications in room-temperature magnetic tunnel junction devices. These are spin-based, low-power-consuming alternatives to CMOS in non-volatile memories, comparators, analog-to-digital conv...
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Alessio Rettaroli, David Alesini, Danilo Babusci, Carlo Barone, Bruno Buonomo, Matteo Mario Beretta, Gabriella Castellano, Fabio Chiarello, Daniele Di Gioacchino, Giulietto Felici, Giovanni Filatrella, Luca Gennaro Foggetta, Alessandro Gallo, Claudio Gatti, Carlo Ligi, Giovanni Maccarrone, Francesco Mattioli, Sergio Pagano, Simone Tocci and Guido Torrioli
Detection of light dark matter, such as axion-like particles, puts stringent requirements on the efficiency and dark-count rates of microwave-photon detectors. The possibility of operating a current-biased Josephson junction as a single-microwave photon-...
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Yang Liu, Bo Zhang, Yinian Feng, Xiaolin Lv, Dongfeng Ji, Zhongqian Niu, Yilin Yang, Xiangyang Zhao and Yong Fan
Frequency multipliers and mixers based on Schottky barrier diodes (SBDs) are widely used in terahertz (THz) imaging applications. However, they still face obstacles, such as poor performance consistency caused by discrete flip-chip diodes, as well as low...
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Ulanbator Suleimenov,Andrii Kostikov,Raimberdy Ristavletov,Medetbek Kambarov,Ruslan Kudabayev,Anna Vorontsova
Pág. 19 - 27
The study has addressed the development of the engineering procedure for the thermotechnical calculation of a building envelope with thermal insulation in which air chambers with a heat-reflecting coating are formed.The engineering procedure implied dete...
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Irene Romero-Fiances, Emilio Muñoz-Cerón, Rafael Espinoza-Paredes, Gustavo Nofuentes and Juan De la Casa
A knowledge gap exists about the actual behavior of PV grid-connected systems (PVGCS) using various PV technologies in Peru. This paper presents the results of an over three-year-long performance evaluation of a 3.3-kWp monocrystalline silicon (sc-Si) PV...
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Thi Tran Anh Tuan, Dong-Hau Kuo, Phuong Thao Cao, Van Sau Nguyen, Quoc-Phong Pham, Vinh Khanh Nghi and Nguyen Phuong Lan Tran
The modeling of p?InxGa1-xN/n?Si hetero junction diodes without using the buffer layer were investigated with the ?top-top? electrode. The p?Mg-GaN and p?Mg-In0.05Ga0.95N were deposited directly on the n?Si (100) wafer by the RF reactive sputtering at 40...
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Pedro Carvalhaes-Dias, Flávio J.O. Morais, Luís F. C. Duarte, Andreu Cabot and J. A. Siqueira Dias
We present an autonomous sensor to measure soil water content that uses a single heat pulse probe based on a transistor encapsulated in a porous block. The sensor uses a bipolar junction transistor, which performs as both a heating and temperature-sensin...
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