 investig stabil laminar boundari layer compress fluid investig stabil laminar boundari layer compress fluid report stabil two-dimension laminar flow ga investig method small perturb chief emphasi case laminar boundari layer 1 report deal gener mathemat theori gener equat govern normal mode small veloc temperatur disturb deriv studi great detail reynold number order encount aerodynam problem temperatur disturb neglig veloc solut depend viscos coeffici viscou solut form compress fluid incompress fluid approxim fact mathemat analysi greatli simplifi final equat determin characterist valu stabil problem depend inviscid solut function tietjen manner case incompress fluid second viscos coeffici coeffici heat conduct enter problem ordinari coeffici viscos solid surfac involv 2 deal limit case infinit reynold number studi energi relat emphas disturb gain energi main flow gradient product densiti vortic solid surfac sign opposit outer edg boundari layer gener stabil criterion term gradient product densiti vortic analog rayleigh-tollmien criterion case incompress fluid gradient vanish veloc ratio main flow exceed 1-1 free stream mach number 