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Orthogonality conditions and analytical response solutions of damped gyroscopic double-beam system:an example of pipe-in-pipe system: 《Applied Mathematics and Mechanics(English Edition)》2025年第5期927-946,共20页Jinming FAN Zhongbiao PU Jie YANG Xueping CHANG Yinghui LI; Project supported by the National Natural Science Foundation of China (No. 12272323)。; The double-beam system is a crucial foundational structure in industry,with extensive application contexts and significant research value.The double-beam system with damping and gyroscopic effects is termed as the dam...; 关键词：fluid-conveying pipe transverse vibration pipe-in-pipe(PIP)system gyroscopic double-beam system complex modal superposition method(MSM) analytical solution

A Numerical Study on Erosion and Wear Mechanisms in Variable Diameter Bend Pipes: 《Fluid Dynamics & Materials Processing》2025年第4期989-1005,共17页Li Wang Haipeng Mu Jiming Zhu Zhongchang Wang; supported by the project of the Educational Department of Liaoning Province(No.LJKMZ20220825);the National Natural Science Foundation of China(51774199).; To elucidate the relationship between pipeline erosion and wear during slurry transportation,this study considers three key influencing parameters,namely,the ratio of inlet to outlet pipe diameter,the length of the va...; 关键词：Filling slurry variable diameter bend pipe erosion and wear conveying characteristics influence factor

PIPE rollup花园智能喷水收纳支架: 《包装工程》2025年第8期I0012-I0012,共1页陈国东於则罕; 2024中国包装创意设计大赛专业组优秀奖。

Response surface method-based multi-objective optimization of auxiliary air intake in the ash transport tube: 《Particuology》2025年第3期117-133,共17页Lidong Zhang Changpeng Song Shoushang Fang Yuze Zhao Guohao Li Qing Wang; Computational particle fluid dynamics(CPFD)approach is used to simulate a horizontal tube with an extra air intake.To determine the optimal values for the two objectives,a one-factor hill-climbing test is performed on...; 关键词：Pneumatic conveying Auxiliary air inlet pipe Computational particle fluid dynamics(CPFD)

基于YOLO-Pipe和ByteTrack的排水管道缺陷检测: 《中国给水排水》2025年第3期125-130,共6页凌同华贝政豪张胜张亮江浩; 湖南省教育厅科学研究项目(22A0562、23C0664);湖南省交通运输厅科技项目(202319);国家自然科学基金资助项目(52308399、52078061)。; 城市排水管道检测作为城市管理的重要组成部分,对保障城市安全运行具有重要意义。针对现有模型对排水管道检测存在的复杂度高、精度低等问题,采用C3_PConv结构、PIoUv2损失函数和层自适应幅度剪枝算法对YOLOv5n进行优化,构建了轻量化的Y...; 关键词：排水管道缺陷检测 YOLO模型视频检测 ByteTrack算法

Multi-solution pipe-routing method for the aeroengine with route constraints based on multi-objective optimization: 《Frontiers of Mechanical Engineering》2024年第6期1-14,共14页Feiyang FANG Jiapeng YU Jikuan XIONG Binjun GE Jiaqi ZHU Hui MA; supported by the National Science and Technology Major Project,China(Grant No.J2019-I-0008-0008).; The complexity of aeroengine external piping systems necessitates the implementation of automated design processes to reduce the duration of the design cycle.However,existing routing algorithms often fail to meet desi...; 关键词：AEROENGINE multi-solution pipe-routing niche method hybrid swarm optimization multi-objective optimization particle swarm optimization

Study of hydraulic transport characteristics and erosion wear of twisted four-lobed pipe based on CFD-DEM: 《Particuology》2024年第12期356-369,共14页Chunya Sun Zhifang Xu Yanqiu Xiao Guangzhen Cui Zhengdong Xiao Wanbin Cui Pengpeng Wang Lianhui Jia; supported by National Natural Science Foundation of China,Key Scientific Research Project of Colleges and Universities in Henan Province (grant Nos.52375034,23ZX013);Department of Science and Technology of Henan Province (grant No.242102221013)。; Pipeline hydraulic transportation is extensively utilized across diverse sectors,with enhancing the performance of pipeline hydrodynamic transport and minimizing erosion wear on the pipeline walls being essential for ...; 关键词：Hydraulic transport CFD-DEM Twisted four-lobed pipe Erosion wear

Analysis of vibration stability of fluid conveying pipe on the two-parameter foundation with elastic support boundary conditions: 《Journal of Ocean Engineering and Science》2024年第6期616-629,共14页Yongqi Ma Yunxiang You Ke Chen Aichun Feng; In this study,the vibration stability of fluid conveying pipe resting on two-parameter foundation is in-vestigated under four different elastic support boundary conditions.The harmonic differential quadrature(HDQ)meth...; 关键词：Vibration stability Two-parameter foundation Elastic support Boundary conditions Harmonic differential quadrature method

Deformation mechanism and limit support pressure of cutting steel plate during connection between pipes in large spacing using pipe curtain structure method: 《Underground Space》2024年第5期83-96,共14页Xiang Liu Rui Zhang Jun Huang Guang Zhao Qian Fang Annan Jiang; financial support by the National Natural Science Foundation of China(Grant No.52108363);the Postdoctoral Research Foundation of China(Grant Nos.2021M700654 and 2023T160074);the Key Project of High-speed Rail Joint Fund of National Natural Science Foundation of China(Grant No.U1934210);the Liaoning Revitalization Talents Program(Grant No.XLYC1905015);the Key Project of Liaoning Education Department,China(Grant No.LJKZZ20220003).; The pipe curtain structure method(PSM)is a novel construction method to control ground deformation strictly.Compared with the traditional pipe-roofing and pipe jacking method,the connection between pipes in large spac...; 关键词：Pipe curtain structure method Wedge-prism failure model Limit support pressure Discrete element method Connection between pipes

Novel wreck salvaging method using curved rectangular pipe basing method:A case study of"Yangtze River EstuaryⅡ"ancient shipwreck salvage project: 《Underground Space》2024年第5期97-113,共17页Qianwei Zhuang Guofang Gong Dongrong Zhou Chi Zhang Xin Huang Xiaodong Zhu Weihao Yuan Deng Li; supported by Science and Technology Innovation Action Plan(Grant Nos.21DZ1201103 and 21DZ1201104);the National Natural Science Foundation of China(Grant No.52278407).; Shipwreck salvage is a risky,time-consuming,and expensive process.Although there are many sunken ships along coastlines and in the open seas,the salvage process of a sunken ship has rarely been reported.The integrated...; 关键词：Pipe jacking Shipwreck salvage Yangtze River EstuaryⅡ Structural design

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