Landfill emission of gases into the atmosphere
著者
書誌事項
Landfill emission of gases into the atmosphere
(Advances in air pollution series, v.4)
Computational Mechanics, c1999
大学図書館所蔵 全4件
  青森
  岩手
  宮城
  秋田
  山形
  福島
  茨城
  栃木
  群馬
  埼玉
  千葉
  東京
  神奈川
  新潟
  富山
  石川
  福井
  山梨
  長野
  岐阜
  静岡
  愛知
  三重
  滋賀
  京都
  大阪
  兵庫
  奈良
  和歌山
  鳥取
  島根
  岡山
  広島
  山口
  徳島
  香川
  愛媛
  高知
  福岡
  佐賀
  長崎
  熊本
  大分
  宮崎
  鹿児島
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  韓国
  中国
  タイ
  イギリス
  ドイツ
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  ベルギー
  オランダ
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  アメリカ
内容説明・目次
内容説明
In this volume the authors describe a mathematical model for the solution of convection-diffusion flow of a mixture of gases in a multi-layer porous media, and apply this to the problem of the generation and migration of gases inside a landfill and their release into the atmosphere. They present two different boundary element formulations, based upon the dual reciprocity method (DRM), to transform the resulting domain integrals into surface integrals. Chapter 1 provides a brief introduction to the field plus numerical schemes previously applied to the problem. This is followed with introductory material about sanitary landfills and landfill gases, with an emphasis on the importance of the control of the emission of the gases. The foundations of the convection-diffusion flow of mixture of gases in a porous media, including a review of heat generation and transport theory, are then given and the BEM formulations for single-gas and multi-gas models are explained. Chapter 5 presents the domain decomposition concept and tests it on a variety of one- and two-dimensional problems.The DRM-MD concept is then described in more detail and the validity of the algorithm is verified through a number of numerical examples.
Finally, the model is applied to the design of trenches in a multi-layer landfill.
目次
- Introduction - General considerations
- gas transport models
- numerical simulations of gas flow out of a landfill
- boundary element method
- cell integration and dual reciprocity (DRM) method
- nomenclature. Sanitary Landfills - Introduction
- landfill description
- landfill gases
- gas production modelling. Fundamental Principles - Conservation of mass of species i
- diffusive velocity and flux
- governing equation
- heat generation and transport. Boundary Element Formulation - Single gas model
- multi gas model. Domain Decomposition on the DRM Approach - Approximating functions in the DRM
- numerical examples. The DRM-MD Integral Equation Method - Introduction
- basic concepts of the DRM-MD approach
- numerical examples. BEM Solution for Design of Trenches in Multi-layered Landfills - Introduction
- numerical examples and discussions.
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