Zobrazeno 1 - 10
of 12 309
pro vyhledávání: '"Physical model"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5299-5315 (2024)
Abstract To investigate the erosive damage effect of the acidic solution on sandstone, experiments were conducted to examine the macro‐ and micro‐characteristics of sandstone samples under different acid etching times. Microscopic morphology chan
Externí odkaz:
https://doaj.org/article/4640833277bd490aa9a04492e4ad677c
Autor:
A. A. Lansberg, A. V. Vinogradov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 26, Iss 5, Pp 44-53 (2024)
The relevance of the study lies in the consideration and correction of the results of calculations of the single-phase short circuit current in a rural 0.4 kV electric network obtained using existing physical, computer and mathematical methods that g
Externí odkaz:
https://doaj.org/article/58988af840814f61aec099e8883dec9e
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract The stress disturbances induced by deep tunnel excavation are a key factor leading to the instability and failure of surrounding rock. To investigate the stress evolution in surrounding rock, this study utilizes a physical simulation system
Externí odkaz:
https://doaj.org/article/219c555669234a518ec98f009d0c6fc6
Publikováno v:
Defence Technology, Vol 40, Iss , Pp 78-90 (2024)
Long-term navigation ability based on consumer-level wearable inertial sensors plays an essential role towards various emerging fields, for instance, smart healthcare, emergency rescue, soldier positioning et al. The performance of existing long-term
Externí odkaz:
https://doaj.org/article/18315f3168ee4128bb7ac3a91925b4c9
Publikováno v:
Petroleum Exploration and Development, Vol 51, Iss 5, Pp 1271-1286 (2024)
Based on the tectonic genesis and seismic data of fault-controlled fractured-vuggy reservoirs, the typical fractured-vuggy structure features were analyzed. A 3D large-scale visual physical model of “tree-like” fractured-vuggy structure was desig
Externí odkaz:
https://doaj.org/article/8bd63172c06745b09828e9ef0bb6e283
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 5, Pp 124-135 (2024)
At present, there are two types of structures for strengthening dangerous rock mass in earthquake area construction: anchorage and retaining. The connection between the two types of reinforced structures and the dangerous rock mass is rigid with very
Externí odkaz:
https://doaj.org/article/54febabdbeb041b9b96982abe8a894c4
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The locked segment is critical for determining the stability of locked segment-type landslides. Research indicates that the volume expansion point marks the transition from the secondary creep stage to the tertiary creep stage in a landslide
Externí odkaz:
https://doaj.org/article/08a8fe8c4b7947dcb8166210d066e46f
Publikováno v:
Water Science and Engineering, Vol 17, Iss 3, Pp 309-318 (2024)
Deep storage tunnels (DSTs) are used in densely urbanized areas to relieve stormwater collection systems, thereby reducing urban floods and runoff pollution, due to their substantial storage capacity. The computation of the hydraulic characteristics
Externí odkaz:
https://doaj.org/article/6254018afafb421d96b5f9b87659ffda
Autor:
Jixiang Guo, Yanjun Zhang, Yunfeng Li, Xin Zhang, Jianqiao Zheng, Haoxin Shi, Qing Zhang, Zongfang Chen, Yongjie Ma
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The evolution and mechanism of ground collapse caused by underground water pipeline leakage have become increasingly significant as more urban areas experience collapses. Based on the principle of similarity, and considering the engineering
Externí odkaz:
https://doaj.org/article/06346f0df93f4443a9d7ba243a6b8983
Publikováno v:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym, Vol 13, Pp 129-142 (2024)
The article examines the application of infrared heating systems in industrial premises to maintain a comfortable temperature while minimizing energy consumption. The authors have proposed a physical model for a production room utilizing film infrare
Externí odkaz:
https://doaj.org/article/a779cfae8b774e15bd56c6307b1fb999