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加速详细反应动力学计算的ISAT改进方法研究 被引量：1

RESEARCH ON IMPROVED ALGORITHMS OF ISAT FOR ACCELERATING COMPUTATIONS OF DETAILED CHEMICAL KINETICS
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摘要 非结构化自适应列表法（ISAT）方法以其高效、误差可控的突出优点在最近的使用详细反应动力学的燃烧计算中得NT广泛的应用。本文通过对ISAT基本原理的分析，讨论了ISAT存在的问题及改进的方法。在配对混合搅拌反应器（PMSR）和均质压燃（HCCI）发动机中，利用ISAT对不同的改进方案进行了计算比较，讨论了影响ISAT方法性能，如计算时间、内存占用和误差控制等方面的因素。结果表明逆向搜索方法可以显著提高ISAT的加速比，动态存储库方法可以人大降低内存的占用量。 In situ adaptive tabulation （ISAT） has been widely used in combustion computations with detailed chemical kinetics due to its high efiqciency and controllable error. This paper discussed tile problems and improved algorithms of ISAT based on analyzing the principle of ISAT. By applying ISAT to the pairwise mixing stirred reactor （PMSR） and homogeneous charge compression ignition （HCCI） engine, different improved algorithms were compared, and the factors which influence ISAT performance, such as computational time, occupying memory and control of errors were discussed. The results indicate that the reversal search algorithm can improve the speed-up factor highly, and the dynamical storage library algorithm can reduce occupying memory significantly.
作者 贾明 解茂昭 周磊 刘红
机构地区 大连理工大学能源与动力学院
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2010年第6期1057-1060,共4页 Journal of Engineering Thermophysics
基金 国家基础研究重点规划项目子课题(No.2007CB210002) 国家自然科学基金(No.50806008)
关键词 化学动力学模型 存储/提取法 非结构化自适应列表法 配对混合搅拌反应器 均质压燃发动机 chemical kinetics model storage/retrieve approach in situ adaptive tabulation （ISAT） pairwise mixing stirred reactor （PMSR） homogeneous charge compression ignition （HCCI） engine
分类号 TK16 [动力工程及工程热物理—热能工程]
  • 相关文献

参考文献7

  • 1Pope S B. Computationally Efficient Implementation of Combustion Chemistry Using in Situ Adaptive Tabula- tion [J]. Combustion Theory and Modelling, 1997, 1(1): 41-63.
  • 2贾明,解茂昭.ISAT在HCCI发动机多维详细反应动力学计算中的应用及其改进[J].内燃机学报,2006,24(1):9-14. 被引量：4
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二级参考文献8

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  • 8Veljkovic I, Plassmann P E, Haworth D C. A Scientific on-Line Database for Efficient Function Approximation[J]. Lecture Notes in Computer Science, 2003(2 667):643-653.

共引文献3

同被引文献27

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  • 6Kim J I, Hwang J Y, Lee J, et al. Numerical and Experimental Study on Silica Generating Counterflow Diffusion Flames [J]. International Journal of Heat and Mass Transfer, 2005, 48(1): 75-81.
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  • 8Nasonova A, Park D W, Charinpanitkul T, et al. Numerical Analysis on Premixed Combustion of H2-SiCl4-Air System to Prepare SiO2 Particles[J], Journal of Industrial and Engineering Chemistry, 2012, 18(1): 509-512.
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  • 10Moore T, Brady B, Martin L R. Measurements and Modeling of SiCl4 Combustion in a Low-Pressure H2/O2 Flame [J]. Combustion and Flame, 2006, 146(3): 407-418.

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工程热物理学报
2010年 第6期

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