Research and application of fire air and smoke flow emergency control technology for mine complex ventilation network [PDF]
, 2023 In view of the difficult situation of fire prevention, control, disaster resistance and relief in complex ventilation networks, the laws of air flow disturbance, heat transfer and smoke flow diffusion in air flow field, temperature field and smoke flow ...
Haiqing HAO +8 more
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Numerical study of heat injection CO2 to increase CH4 production based on gas-water two-phase flow [PDF]
The technology of CO2-enhanced coalbed methane (CO2-ECBM) can reduce greenhouse gas emissions, and has the function of clean energy production and environmental protection.
Kang LIU +5 more
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He jishuMegaPower是一种设计用于偏远地区和军事基地等去中心化能源市场的热管冷却反应堆，其启堆过程涉及复杂的多物理场耦合计算。传统高分辨率仿真方法常面临较高的计算成本。本研究以MegaPower热管堆的启堆过程为研究对象，提出了一种基于Proper Orthogonal Decomposition-Radial Basis Function（POD-RBF）快速预测方法的核热力耦合模型，以实现复杂瞬态工况的高效模拟。通过构建MegaPower高分辨率1/6堆芯模型，并结合OpenMC ...
沈 书秋 +3 more
doaj +1 more source
Gaoya dianqi, 2022 复合绝缘子运行中异常发热现象频发，其中老化与表面污秽是导致发热的主要原因。文中采用有限元多物理场仿真，结合实测获得的材料参数，分别建立了正常运行、湿热老化、局部涂污及整体涂污等4种典型工况下的复合绝缘子仿真模型，根据湿热老化以及表面污秽的不同发热特征，分别建立静电、电流场两种模型。通过电场计算分析发现：湿热老化后复合绝缘子沿面电场增大、界面电场降低；局部涂污复合绝缘子在涂污处电场稍微下降；整体涂污复合绝缘子由于沿面电流增大造成电场畸变严重。通过以电介质损耗为接口的耦合热场以及电流场 ...
刘宇 +5 more
doaj
Review of Research on Swirl Cooling Technology of Gas Turbine Blades [PDF]
ObjectivesThe effectiveness of cooling technology directly influences the performance and lifespan of gas turbine blades operating in high-temperature, and high-pressure environments.
LUAN Yong +3 more
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Review on the progress for physical simulation for gas reservoirs co-production in multi-pressure system [PDF]
, 2023 The gas reservoirs co-production in multi-pressure system is one of the important measures to improve the development efficiency of the superposed gas-bearing systems.
Fazhi YAN +5 more
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Research of Neutron-thermal Hydraulic Coupling Calculation Method in Fast Reactor Code System MOSASAUR [PDF]
The nuclear reactor core is a highly heterogeneous system where various physical phenomena are interrelated and coupled. The complex coupled interaction necessitates multi-physics calculations to realize more accurate and realistic simulations in core ...
ZHANG Bin, WANG Lianjie, LOU Lei, ZHAO Chen
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Calculation of the influence of argon-to-hydrogen mole ratio on the discharge characteristics of plasma in DC arc plasma jet [PDF]
, 2016 The effect of argon-to-hydrogen mole ratio on the discharging behavior of argon-hydrogen plasma was simulated and studied on the assumption that argon-hydrogen plasma is in a local thermodynamic equilibrium.
CHEN Liang-xian +6 more
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Dianci bileiqi, 2018 系统综述了基于数值仿真计算技术在金属氧化物避雷器（metal-oxide surge arresters,MOA）研究中的应用发展。共分3个方面:1)基于等效电路模型的数值仿真计算;2)基于电、机械与热的两或多物理量（场）耦合的金属氧化物电阻片（metal-oxide surge varistor,MOV）数值仿真计算;3)整只MOA的电场、温度场或多物理场耦合的数值仿真计算。对于MOV的建模和仿真计算,将来主要的努力方向是改进数学计算模型,以便可以描述ZnO晶界与时间和温度相关的特性 ...
赵冬一, 李凡, 汤霖
doaj
Model and numerical solution method the failure of air volume and air flow components in the ventilation network during the period of external fire [PDF]
In order to eeproduced as much as possible the disaster processes such as air volume fluctuations, airflow reversal, abnormal airflow temperature, the spread of toxic and harmful smoke, and the decrease in oxygen volume fraction in the ventilation ...
Lang ZHANG, Wei LI, Yanqing LIU
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