| COMPUTING REACTIVE FLOW ON A COARSE GRID |
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| 作者姓名： | Christian Klingenberg |
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| 作者单位： | Christian KlingenbergDepartment of Applied Mathematics，Würzburg UniversityAm Hubland，97074 Würzburg Germany |
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| 摘 要： | INTRODUCTIONConsider the Euler equations supplementedby an additional reactive equation which consistsof a scalar balance law for the mass fraction ofunburntgasρρuρEρY t+ρuρu2 + pρu E + upρu Y x=κ000-ρΘ( T) Ywhereρ is the density,ρu the momentum,ρEthe total specific energy,ρY the mass fraction ofunburnt gas( 0≤ Y≤ 1 ) ,κ a large number( thereaction rate) and T temperature.Θ( T) =01 if T≤ Tignif T>Tign,Tign is the ignition temperature,E=pγ- 1 + u22 + q0 Y,p is …
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COMPUTING REACTIVE FLOW ON A COARSE GRID |
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| Christian Klingenberg.COMPUTING REACTIVE FLOW ON A COARSE GRID[J].Transactions of Nanjing University of Aeronautics & Astronautics,2001,18(Z1). |
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| Authors: | Christian Klingenberg |
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| Abstract: | Numerical simulation of combustion waves need a very refined grid in order to resolve thin reaction zones. We give a criterion for capturing these waves correctly even on a coarse grid. |
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| Keywords: | combustion waves numerical simulation underresolved grid |
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