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THE ASYMPTOTIC LIMIT FOR A COMBUSTION MODEL IN REGARD TO INFINITE REACTION RATE

应隆安   

  1. 厦门大学数学学院, 厦门 361005
  • 收稿日期:2005-10-11 修回日期:2006-06-09 出版日期:2008-10-20 发布日期:2008-10-20
  • 通讯作者: 应隆安
  • 基金资助:

    This work was supported by the China State Major Key Project for Basic Researches and the Science Fund of the Ministry of Education of China

THE ASYMPTOTIC LIMIT FOR A COMBUSTION MODEL IN REGARD TO INFINITE REACTION RATE

Ying Longan   

  1. School of Mathematical Sciences, Xiamen University, Xiamen 361005, China Key Laboratory of Pure and Applied Mathematics, School of Mathematical Sciences, Peking University, Beijing 100871, China
  • Received:2005-10-11 Revised:2006-06-09 Online:2008-10-20 Published:2008-10-20
  • Contact: Ying Longan

摘要:

The Zeldovich-von Neumann-Doring model and the Chapman-Jouguet model for a simplified combustion model--Majda’s model is studied. The author proves a uniform maximum norm estimate, then proves that as the rate of chemical reaction tends to infinity the solutions to the Zeldovich-von Neumann-Doring model tend to that of the Chapman-Jouguet model. The type of combustion waves is studied. This result is compared with the result of the projection and finite difference method for the same model.

关键词: Combustion, detonation wave, ZND model, CJ model, finite difference method

Abstract:

The Zeldovich-von Neumann-Doring model and the Chapman-Jouguet model for a simplified combustion model--Majda’s model is studied. The author proves a uniform maximum norm estimate, then proves that as the rate of chemical reaction tends to infinity the solutions to the Zeldovich-von Neumann-Doring model tend to that of the Chapman-Jouguet model. The type of combustion waves is studied. This result is compared with the result of the projection and finite difference method for the same model.

Key words: Combustion, detonation wave, ZND model, CJ model, finite difference method

中图分类号: 

  • 35L65