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Discontinuous boundary conditions for the Boltzmann equation And generalization of slip boundary conditions

Discontinuous boundary conditions for the Boltzmann equation And generalization of slip boundary conditions
玻尔兹曼方程的不连续边界条件和滑移边界条件的推广
批准号:
21656026
负责人:
AOKI Kazuo
金额:
$2.16万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

项目摘要

项目成果

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中文摘要
翻译
当边界具有陡峭的边界或不连续的温度时,即使当气体分子的平均自由程远短于系统的特征长度时,“滑移边界条件”也不能描述气体的正确行为。通过基于模型Boltzmann方程的精确数值分析和基于线性化Boltzmann方程的对称关系的间接理论方法,阐明了在这种情况下滑移边界条件是如何修改的。
英文摘要
When the boundary has a sharp edge or a discontinuous temperature, the"slip boundary condition"cannot describe the correct behavior of the gas even when the mean free path of gas molecules is much shorter than the characteristic length of the system. In the present study, it is clarified how the slip boundary condition is modified in such cases, with the help of accurate numerical analysis based on a model Boltzmann equation and indirect theoretical approach based on the symmetry relations of the linearized Boltzmann equation.
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会议论文
温度場によって誘起される低圧気流の数値解析
温度场引起的低压气流数值分析
DOI: --
发表时间: 2012
期刊: ながれ
影响因子: --
作者: [真鍋保彦 宇佐見仁英, 川田重夫, 青木一生]
通讯作者: 青木一生
Some considerations on radiometric effects : Rarefied gas flows induced by temperature fields (60min)
关于辐射效应的一些考虑:温度场引起的稀薄气流(60分钟)
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [嶋田隆広, 北村隆行, Kenji Kajiwara, S.Kawata, K.Aoki]
通讯作者: K.Aoki
Boundary-value problems of the Boltzmann equation : Asymptotic and numerical analyses
玻尔兹曼方程的边值问题:渐近和数值分析
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [嶋田隆広, 北村隆行, K. Aoki]
通讯作者: K. Aoki
DOI: 10.1063/1.3562743
发表时间: 2011
期刊: Rarefied Gas Dynamics
影响因子: --
作者: [S.Taguchi, K.Aoki]
通讯作者: K.Aoki
共 12 条
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    • 财政年份:
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