两区模型和变密度模型溶质运移试验对比分析

来源 :水利水运工程学报 | 被引量 : 0次 | 上传用户:massmass
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为验证两区模型和变密度模型描述海水入侵过程中溶质运移现象的可行性,先后采用内径为9和11cm的土柱进行室内稳定流土柱试验,讨论两区模型相比普通CDE模型的优点,以及采用直径10cm,高300cm土柱进行溶质运移试验,并应用非均质两区模型和过渡带变密度模型对验证结果作分析比较.采用决定系数和均方误差作为模型验证评价指标,结果表明:两区模型较普通CDE模型能更准确地模拟D9和D11土柱中溶质运移的整个过程.在模型对比土柱试验中两区模型和变密度模型都能很准确地描述溶质运移,说明两区模型在海水入侵模拟试验中存在应
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