仓储作者

[中文期刊] 爆炸冲击作用下储油罐毁伤特性的数值模拟 CA 核

作者：徐文龙¹;，杨艺²;，高明²;，毛光辉³;，王成³; （¹山东大学高等技术研究院；²北京航空工程技术研究中心；³北京理工大学爆炸科学与技术国家重点实验室）

出处：安全与环境学报 2023 第23卷第7期 P2334-2339

关键词：安全工程；柴油；爆炸冲击；拱顶油罐；数值模拟；毁伤

摘要：大型储油罐是石油库的主要设备，研究其在爆炸载荷下的动态破坏特性意义重大。为获得拱顶油罐结构在爆炸冲击作用下的毁伤机制，采用ANSYS/LS-DYNA建立了柴油拱顶油罐的有限元数值模型，开展了不同炸药量和储油量下拱顶油罐结构的爆炸冲击破坏过程的数值模拟研究。结果表明：储罐内部爆炸后会出现两个薄弱区域， ...

[中文期刊] 低气压条件下爆炸及其对薄壳结构作用的数值模拟核

作者：李涛^1,2;，王成²; （¹河北工业大学机械工程学院；²北京理工大学爆炸科学与技术国家重点实验室）

出处：工业技术创新 2023 第10卷第3期 P97-106

关键词：流固双向耦合；低气压；冲击波；高精度大规模计算；结构破坏

摘要：在低气压条件下爆炸实验存在尺寸受限、传感器难以布控等难题，需要评估不同环境压力下结构在爆炸载荷作用下的响应。针对低气压条件下爆轰产物与外界空气的压力比、密度比、压强比较大，在数值模拟中极易出现密度或压力为负的问题，利用自主研制的空中爆炸高精度大规模计算方法，二次开发ABAQUS压力加载接口程序，实现 ...

[中文期刊] 爆燃灾害演化虚拟仿真实验教学系统建设与应用核

作者：王云艳，赵蕊，陈东平，王成（北京理工大学爆炸科学与技术国家重点实验室）

出处：实验室科学 2023 第26卷第3期 P84-88

关键词：气体爆燃实验；仿真系统；实验教学

摘要：针对气体爆燃灾害实验的实施困难和场地限制等问题，设计了基于Unity软件的爆燃灾害演化虚拟仿真实验，建立了多种爆燃现象的虚拟仿真资源，阐述了管道爆燃实验中不同约束条件下爆燃灾害的演化过程。学生可以远程开展爆燃灾害虚拟实验，将理论教学中的相关知识与实验过程有机结合。实验结果表明，基于爆燃灾害演化虚拟仿 ...

[外文期刊] Experimental study on enhancing methane explosion characteristics by Al and KMnO₄ powders under large pipelines SCIE EI

作者： Dafang Li;Yangchaoyue Chen;Lihe Liu;Weifu Sun;Cheng Wang （¹State Key Laboratory of Explosion Science and Technology, School of Mechatronic Engineering, Beijing Institute of Technology, Beijing 100081, China;²Explosion Protection and Emergency Disposal Technology Engineering Research Center of the Ministry of Education, Beijing 100081, China;³Beijing Institute of Technology Chongqing Innovation Center, Chongqing 401120, China）

出处： Fuel 2023 Vol.342 P127810

关键词： CH₄-O₂-N₂ mixtures;Al and KMnO₄ powders;Explosion characteristics;Optimum parameters;Improved mechanisms

摘要： As an alternative to hydraulic fracturing, in-situ methane explosive fracturing technology holds great promise in exploiting shale gas and the difficu ...

[外文期刊] Linear analytical model for magneto-Rayleigh–Taylor and sausage instabilities in a cylindrical liner. SCIE EI

作者： Dai, J. L;|Sun, Y. B;|Wang, C;|Zeng, R. H;|Zou, L. Y （¹State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China ²Fujian Key Laboratory of Wind Disasters and Wind Engineering, Xiamen University of Technology, Xiamen 361024, China ³Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China）

出处： Physics of Plasmas 2023 Vol.30 No.2 P1-8

摘要： Recent experimental and numerical results demonstrates that the interfacial motion of a liner Z-pinch during the early stage of implosion may be contr ...

[外文期刊] Experimental investigation on weak shock wave mitigation characteristics of flexible polyurethane foam and polyurea EI

作者： Jia,Shiyu¹;Wang,Cheng¹;Xu,Wenlong²;Ma,Dong¹;Qi,Fangfang¹; （¹State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China;²Institute for Advanced Technology, Shandong University, Jinan, 250061, China）

出处： Defence Technology 2023

摘要： In recent years, explosion shock wave has been considered as a signature injury of the current military conflicts. Although strong shock wave is letha ...

[外文期刊] Simplified Reaction Mechanisms for the Oxidation of Jet Fuel SCIE EI

作者： Song,Shubao¹;Wang,Cheng¹;Shao,Jiankun¹; （¹Department of Safety Engineering, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, China）

出处： Combustion Science and Technology 2023

摘要： Jet fuel is a complex mixture comprising thousands of components, which poses challenges for conducting kinetic simulations on its oxidation process. ...

[外文期刊] A semi-analytical approach to anchorage system with defects considering radial leakage of guided wave SCIE

作者： Li, Tingfang¹;Shang, Xinchun^1,2;Wang, Cheng³ （¹Univ Sci & Technol Beijing, Dept Appl Mech, 30 Xueyuan Rd, Beijing 100083, Peoples R China.;²Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China.;³Beijing Inst Technol, Sch Mechatron Engn, Beijing 100081, Peoples R China.）

出处： SOIL DYNAMICS AND EARTHQUAKE ENGINEERING 2023 Vol.173

关键词： DYNAMIC-RESPONSE; ROCK BOLTS; PILE; PROPAGATION; ATTENUATION; DISPERSION; SIMULATION; FOURIER; DOMAIN

摘要： An equivalent model of a piecewise viscoelastic rod is proposed to investigate the propagation and attenuation characteristics of guided waves in an a ...

[外文期刊] Investigation on Vibration Characteristics of Thin-Walled Steel Structures under Shock Waves SCIE EI

作者： Li, Zehao¹;Xu, Wenlong¹;Wang, Cheng²;Liu, Xin²;Sun, Yuanxiang² （¹Shandong Univ, Inst Adv Technol, Jinan 250061, Peoples R China.;²Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.）

出处： MATERIALS 2023 Vol.16 No.13

关键词： DESIGN

摘要： Thin-walled steel structures, prized for their lightweight properties, material efficiency, and excellent mechanical characteristics, find wide-rangin ...

[外文期刊] Microcosmic mechanism of metal-organic framework enhanced thermoplastic polyurethane exposed to laser-induced shock wave SCIE EI

作者： Ma, Dong¹;Wang, Cheng¹;Xu, Wenlong¹;Qi, Fangfang¹;Jia, Shiyu¹ （¹Beijing Institute of Technology; Shandong University; Beijing Institute of Technology; Shandong University）

出处： JOURNAL OF REINFORCED PLASTICS AND COMPOSITES 2023

关键词： ZIF-8; BEHAVIOR

摘要： Incorporating nano-particles into polymer matrix has enabled improving shock wave mitigation (SWM) ability. Vast majority of researchers adopted inorg ...