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首页> 外文期刊>Transactions of The Institution of Chemical Engineers. Process Safety and Environmental Protection, Part B >Stability of air flows in mine ventilation networks
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Stability of air flows in mine ventilation networks

机译：矿井通风网络中空气流动的稳定性

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This paper presents an algorithm for calculating the stability of air flows in mine ventilation networks in case of random variations of air resistance. The analysis of the stability of air flows in the algorithm is based on two proposed criteria, which are calculated for each branch of mine ventilation network: the guaranteed minimum air flow and the relative deviation of the air flow. The algorithm calculates the distribution of both criteria in the mine ventilation network and allows detecting sections of the mine ventilation network with the least stable air flows. This information can be used to develop different measures to improve the stability of air flows in these sections, which is necessary to ensure the safety of mining operations. The advantages of the proposed algorithm are high calculating speed and intelligibility of the criteria for evaluating the airflow stability in each airway. The convergence of the algorithm is also studied in this paper for a set of ventilation networks. The results of numerical calculation of air flow stability for the undermining level of the Taimyrsky mine are presented. (C) 2019 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
机译：本文介绍了一种用于计算矿井通风网络中空气流动稳定性的算法，在随机的空气阻力的情况下。算法中空气流稳定性的分析基于两个提出的标准，该标准是针对矿井通风网络的每个分支计算的：保证最小气流和空气流的相对偏差。该算法计算矿井通风网络中的两个标准的分布，并允许用最小稳定的空气流检测矿井通风网络的截面。该信息可用于制定不同的措施，以提高这些部分中的空气流动的稳定性，这是确保采矿业务的安全性所必需的。所提出的算法的优点是评估每个气道中的气流稳定性的标准的高计算速度和可懂度。本文还研究了一组通风网络的算法的收敛。介绍了Taimyrsky矿区破坏水平的空气流动稳定性数值计算的结果。 （c）2019化学工程师机构。 elsevier b.v出版。保留所有权利。

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