| 天然河流纵向离散系数示踪实验计算方法研究 |
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| 引用本文： | 周克钊,余常昭,张永良.天然河流纵向离散系数示踪实验计算方法研究[J].环境科学学报,1986,6(3):314-326. |
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| 作者姓名： | 周克钊 余常昭 张永良 |
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| 作者单位： | 成都科技大学
(周克钊)，清华大学
(余常昭)，中国环境科学研究院(张永良) |
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| 摘 要： | 本文对现有的天然河流纵向离散系数示踪实验计算方法进行了全面深入的分析,指出了矩量法和演算法存在的问题并作了改进,本文提出了计算较长河段的纵向离散系数的加权平均方法。本文把非线性逼近法成功地应用于纵向离散系数的计算,其结果与实测数据很好地符合,值得在实际工作中采用。
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| 关 键 词： | 离散 混合 扩散 示踪实验 水污染 河流 |
| 收稿时间： | 1986/1/21 0:00:00 |
COMPUTATION OF LONGITUDINAL DISPERSION COEFFICIENT OF NATURAL RIVERS BASED ON TRACER TESTS |
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| Zhou Kezhao,Yu Changzhao and Zhang Yongliang.COMPUTATION OF LONGITUDINAL DISPERSION COEFFICIENT OF NATURAL RIVERS BASED ON TRACER TESTS[J].Acta Scientiae Circumstantiae,1986,6(3):314-326. |
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| Authors: | Zhou Kezhao Yu Changzhao and Zhang Yongliang |
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| Affiliation: | Zhou Kezhao
(Chengdu Science and Technology University)
Yu Changzhao
(Qinghua University)
Zhang Yongliang
(Chinese Research Academy of Environmental Sciences) |
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| Abstract: | A number of methods for longitudinal dispersion coefficient computation of natural rivers based on tracer tests were evaluated. It was found that the change-of-moment method is inaccurate and the routing method is also questionable. A modified method using non-linear approach procedure was proposed for longitudinal dispersion coefficient calculation. |
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| Keywords: | dispersion coefficient dispersion diffusion tracer test water pollution river |
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