Sensitivity analysis of relevant parameters in complicated mine ventilation network by numerical test

作     者：王从陆 吴超 王卫军 

作者机构：School of Resources and Safety Engineering Central South University School of Energy and Safety Engineering Hunan University of Science and Technology Xiangtan 411201 China School of Resources and Safety Engineering Central South University Changsha 410083 China 

出 版 物：《Journal of Central South University of Technology》 (中南工业大学学报（英文版）)

年 卷 期：2005年第12卷第2期

页      面：205-208页

核心收录：

学科分类：0819[工学-矿业工程] 081903[工学-安全技术及工程] 08[工学] 

基　　金：Project (50474050) supported by the National Natural Science Foundation of China 

主　　题：mine ventilation sensitivity analysis numerical test parameters adjustment 

摘      要：Depending on the numerical test approach on a computer, the relationships among relevant parameters, eg branch number, node number, mesh number, computation accuracy, preliminary value of airflow rate, iteration number, computation time and convergence in a mine ventilation network analysis, were investigated based on 5 mine ventilation systems. The results show that a higher computation accuracy greatly influences the iteration number. When the accuracy reaches 10-6m3·s-1 for solving a complicated mine ventilation network, the running time is too long though a high-speed computer is used. The preliminary value of airflow rate in the range of 1100m3·s-1 has little effects the iteration number. The structure of network also has some effect on the iteration number.