液体采样器进口流量研究

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传统的水环境监测采样器所采样本的代表性不强,在定点采样时所得样本与理论值相差甚远。为此,根据流体力学特性建立了采样器的流量模型。应用此模型分析了试验数据与计算值产生差异的原因,发现在采集水样的过程中,采样器中的水并未被监测点的水全部替换掉。而后,改进了采样器的采样方法,并对用新方法采集的样本与传统方法采集的样本进行比较,进一步证实传统方法采集的水样并不完全是指定点的水样。
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