ࡱ> P:Root Entry@FileHeaderdDocInfo PBodyText@5  !"#$%&'()*+,-./0123456789;<G>?@ABCDEFHIJKLMNORoot Entry@RFileHeaderdDocInfo PBodyText@5>?@ABCDEFSTUVWXYZ[\]^_`bcdefghijklmnopqrstuvwxyz{|}~ !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFHIJKLMNOQRSTUVWXYZ[\]^_`abhefgilmnopqrsHwpSummaryInformation.G PrvImage PrvTextDocOptions @@BinData "pz"pzBIN0001.OLE=HSection0aUScripts @@JScriptVersion j DefaultJScriptc_LinkDock rd Examination, Environmental System Engineering, April 8th, 2013 Professor Joon Hyun Kim, Environmental Engineering Department, Kangwon National University 1. Explain the numerical algorithm of the finite difference method of QUAL2E. 1) 0)  XΩݹ X Xt 0x ) \ (̄@ L t $`  . <%><%><%><> <><ƌ i-1><ƌ i><ƌ i+1><> <><> QUAL2E X XtX Ĭ ݹ 2) )(̄D tǩ\ 0)X tǰT ) \(̄D ȩX L t  m@ )(̄, m@ )(̄. 1Ĭ: tǡ UְmD x t \Ո )(̄Xt L  (Qm mijh <\ ). 0, 2Ĭ: |( ijh )(̄D ȩX tǰT\. 3Ĭ:  mD )(̄\ (DX \(̄). X D x ɍij X L t Ȭ\. ” m ǔ 3X ɍij t, 8ɔ P 0X t. 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