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运用流体力学软件模拟某铀矿床采场氡浓度分布,其中源项数据通过数值模型获取,环境参数通过监测获取。模拟结果显示:沿着入风方向,氡浓度分布的变化以矿堆位置为临界点,呈升高、降低再升高的变化趋势。通过与监测结果对比得知,其相对误差为18.53%,产生误差的原因主要是由通风参数和环境参数变化所致。
Using fluid mechanics software to simulate the distribution of radon concentration in a uranium deposit, the source data was obtained by numerical model and the environmental parameters were obtained by monitoring. The simulation results show that along the direction of entering the wind, the variation of the distribution of radon concentration takes the location of the ore pile as the critical point, showing a trend of increasing, decreasing and then increasing. By comparing with the monitoring result, the relative error is 18.53%. The reason of the error is mainly caused by the change of ventilation parameters and environmental parameters.