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深井地下灌注数值模型SWIFT
  • 期刊名称:高校地质学报
  • 时间:0
  • 页码:45-52
  • 语言:中文
  • 分类:X143[环境科学与工程—环境科学]
  • 作者机构:[1]南京大学地球科学与工程学院水科学系,南京210093
  • 相关基金:国家自然科学基金资助项目(40725010 40672160)资助
  • 相关项目:水文地质学
中文摘要:

深井地下灌注是一种有效处理工业废液的方法,随着认识的不断深入和技术的不断提高,将成为未来我国对难处理、高毒性废液实行最终处理的重要选择之一。SWIFT数值模型能够同时模拟灌注层中水流运动、热量运移、盐分运移和放射性核素运移过程,并且能够充分考虑深部灌注层高温高压等特殊地质环境。其多方面的模拟功能不但适用于深井灌注的数值模拟,还可用于海水入侵、高放射性核废料填埋的模拟分析。在美国,该数值模型已经被用于多个深井灌注项目的数值模拟。对SWIFT进行了较全面的介绍,并指出该模型使用过程中应特别注意的几个问题。

英文摘要:

The deep-well injection of industrial waste is an effective waste disposal method. In China, with increasing understanding and continuous improvement of technology, it will be an important choice for the final disposal of waste, which may be highly toxic or difficult to deal with. SWIFT is a fully transient, three-dimensional model which can simulate the flow and transport of fluid, heat (energy), brine, and radionuclide chains in porous and fractured geologic media. The model is able to take full account of the deep geological environment of the injection zone, which is often under high temperature and pressure. Besides the application in the underground injection, it also can be used to simulate and analyze the seawater intrusion, high-level radioactive nuclear waste isolation and so on. In the United States, SWIFT model has been employed to predict the waste transport in many underground injection projects. This paper gives a comprehensive presentation of this model, and put forward several issues which should be paid particular attention to during usage.

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