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Xianshan Liu, Xiaolei Luo, Shaowei Liu, Pugang Zhang, Man Li and Yuhua Pan
The study of the seepage and heat transfer law of three-dimensional rough fractures is of great significance in improving the heat extraction efficiency of underground thermal reservoirs. However, the phase transition effects of fluids during the thermal...
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Nining Sari Ningsih, Sekar Ramdanira Gunawan, Erlin Beliyana and Ayi Tarya
This study aimed to investigate the characteristics of marine heatwaves (MHWs) in the Makassar Strait and adjacent waters (MSAW) using the Optimum Interpolation Sea Surface Temperature (OISSTv2) dataset from 1982 to 2021. The analysis revealed a signific...
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Haibo Jiang, Dongsen Zhai, Pengfei Xiang and Gang Wei
In order to study the problem of frost damage to wall rock caused by hydraulic tunnels? phase transition between water and ice at low temperatures in cold regions, a three-field coupling governing equation considering temperature, seepage and stress was ...
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Shaobai Li, Caixia Li and Wei Wang
The unsteady motion behavior of oil/gas two-phase flow in a novel ventless bearing chamber has significant impacts on the lubrication and heat transfer efficiency of bearings due to the various advantages of lower pressure levels and weaker rotating airf...
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Jose Carlos Mejia, Miho Aizawa, Kyohei Hisano, Kohsuke Matsumoto, Sayuri Hashimoto, Shoichi Kubo and Atsushi Shishido
A novel approach for fabricating a microlens array with a tunable surface topographical structure and focal length is proposed in the present study. The microlens array was manufactured through the photoinduced molecular reorientation of nematic liquid c...
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Vladimir Byshev, Anatoly Gusev, Victor Neiman and Alexandra Sidorova
A Specific feature of the present-day climate dynamics consists in its multidecadal oscillations with a period of about 20?60 years, and intradecadal disturbances with time scales of 2?8 years. The period of 1940?1999 was distinctive due to the two?phase...
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Baiyang Chen, Peihu Gao, Bo Zhang, Daming Zhao, Wei Wang, Can Jin, Zhong Yang, Yongchun Guo, Minxian Liang, Jianping Li, Yongqing Lu, Lu Jia and Dan Zhao
Plasma transfer arc cladding technology has been widely utilized in surface engineering, repairing and remanufacturing. In the present work, multiple cladded thick claddings were prepared on compacted graphite cast iron (CGI) substrates with iron-based p...
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Edgars Kirilovs, Inga Zotova, Stanislavs Gendelis, Hans Jörg-Gusovius, Silvija Kukle and Veneranda Stramkale
Phase change materials (PCMs) are now widely known as potential additives for building insulation materials to provide a thermal mass effect that helps conserve energy and maintain a comfortable indoor temperature. Therefore, the study presented in this ...
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Igor Motovoy,Sergiy Artemenko,Olga Khliyeva,Vitaly Zhelezny,Yury Semenyuk,Aleksey Paskal
Pág. 6 - 12
Nanofluids are promising heat carriers, which contribute to the overall efficiency of energy systems. The main obstacle to the practical application of nanocoolants based on aqueous propylene glycol solutions is the lack of accurate data on their thermop...
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Zhao Liu, Youhong Sun, Bingge Wang and Qiang Li
The application of conventional artificial ground freezing (AGF) has two disadvantages: low freezing rate and small frozen range. In this study, a new method with natural cold gas injection was proposed, whereby the shallow soils and water can be frozen ...
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