Yuxuan Yang

Numerical study of a novel self-circulating periodic excitation casing treatment for a micro compressor rotor to enlarge stall margin

Yuxuan Yang, Hongxin Zhang, Weiyu Lu, Cheng Zhang et autres

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Manas River System Land Use Pattern Progressions: Drainage Divides to Riparian Regions

Yuxuan Yang, Quanhua Hou, J Y Wang, Xinyue Hou et autres

In arid inland watersheds, the compounding impacts of climate change and intensive human activities have severely altered hydrological regimes and accelerated landscape degradation. However, conventional spatial planning often overlooks the critical coupling between subsurface hydrological processes and surface landscape dynamics. Taking the …

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Inland Water Body Detection Using GNSS-R Observations from FY-3 Satellites

Yuxuan Yang, Yufeng Hu

Inland water bodies are vital to the Earth’s ecosystem, global water cycles, and climate regulation. Global Navigation Satellite System Reflectometry (GNSS-R) has emerged as a powerful tool for water detection, particularly with the deployment of the Fengyun-3 (FY-3) E, F, and G …

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Mechanism of surge margin enhancement in compressors via unsteady excitation at rotor blade leading edges

Yuxuan Yang, Hongxin Zhang, Weiyu Lu, Cheng Zhang et autres

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Header microstructure effects on hotspot cooling in microchannel heat sinks

Fang Li, Lung‐Ming Fu, Yuxuan Yang, Youhang Zhou

Among the microstructural parameters influencing hotspot cooling in microchannel heat sinks, the header design plays a particularly significant role in thermal management. This study conducted numerical simulations to investigate hotspot heat dissipation in pin-fin microchannel heat sinks with inlet and outlet header …

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LADRC-SMC-based disturbance rejection motion control of a desktop upper limb rehabilitation robot

Changlong Ye, Yuxuan Yang, Suyang Yu

Purpose Upper limb rehabilitation robots can substitute traditional practitioners in training programs, effectively alleviating the shortage of rehabilitation professionals in the market. However, human-robot interactions during rehabilitation tasks often introduce disturbances, degrading the performance of these robots. This paper proposes a linear …

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Study of spectral image extraction and component identification of insulator surface contamination

Zehuai Liu, Xuefeng Ning, Guanke Liu, Yuanjia Li et autres

The accumulation of dirt components on the surface of composite insulators is a significant factor influencing the dirt flashover voltage. In order to identify typical fouling components in a more efficient and practical manner, this paper proposes a fouling component identification method …

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Numerical study on smoke spread characteristics of metro carriage fires with lateral multi-openings

Yuxuan Yang, Xinming Qian, Longfei Hou

Urban rail transit system has emerged as a critical urban lifeline project, while the fire risks it confronts are progressively on the rise. The lateral multi-opening structure of metro train carriages, in conjunction with the interval tunnel, forms a common yet distinctive …

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Assessing landscape fragmentation and its driving factors in arid regions: A case study of the Manas River, China

Jiaji Li, Jinxuan Wang, Yonghua Du, Xinyue Hou et autres

Climate change and frequent socioeconomic activities in the Manas River have exacerbated land use transformation and watershed landscape pattern fragmentation, causing a sharp decline in natural wetlands and degrading ecological functions in critical ecological zones. However, previous studies on landscape fragmentation in …

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Numerical study on smoke exhaust performance of sloped metro tunnel in reverse stack effect direction

Yuxuan Yang

To investigate the smoke exhaust performance of sloped metro tunnel fires in reverse stack effect direction, numerical simulation is employed to analyse the tunnel ceiling temperature, visibility, smoke layer height, and smoke exhaust efficiency under different tunnel slopes and ventilation modes. Modified …

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Global patterns and drivers of coupling between anammox and denitrification processes across inland aquatic ecosystems

Xiaoguang Xu, Yuxuan Yang, Yiwen Zhou, Jie Ma et autres

Abstract Denitrification and anammox collectively drive nitrogen loss from aquatic ecosystems, yet their global patterns and interactions remain unclear. To fill this gap in knowledge, we compiled a global dataset on anammox and denitrification, encompassing river, lake, wetland, and estuary ecosystems and …

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Task-driven Satellite Cluster Self-organization Method Based on Linear Groups in Finite Fields

Y. Li, Yuxuan Yang, Honglin Liu, Jin Jin et autres

提出一种基于有限域线性群的卫星集群能力与认知模型构建方法, 并基于该模型研究了能力视图、自主任务分配算法和发布订购机制, 进行在轨验证. 引入有限域与线性群的代数理论, 构建卫星智能体的能力模型, 为后续任务分配提供建模方法和逻辑依据, 基于能力与认知模型, 构建基于能力与认知模型的卫星集群能力视图, 为用户提供直观的能力显示和交互手段, 便于资源订购和管理; 设计基于能力与认知模型的卫星集群自主任务分配算法, 综合考虑智能体自身能力、邻居影响和任务驱动因素, 实现任务需求的自主匹配与决策, 确保卫星智能体能够合理分配卫星资源; 构建卫星集群发布订购机制, 实现卫星资源与用户需求的精准对接; 进行了卫星集群发布订购服务流程的在轨验证实验, 实现卫星资源能力构建、自主任务分配算法及能力视图发布订购服务流程, 星地即时能力订购响应时间(带天地链路通信时间)为 31s, 验证了能力及认知模型的可行性和有效性, 为其实际应用提供了依据.