 laminar heat transfer blunt-nose bodi hyperson flight speed laminar heat transfer blunt-nose bodi hyperson flight speed paper deal limit case laminar heat transfer blunt-nose bodi hyperson flight speed high stagnat temperatur thermodynam equilibrium chemic reaction rate regard fast compar rate diffus streamlin diffus rate-govern volum recombin rate boundari layer slow compar diffus streamlin case ga densiti surfac blunt-nose bodi higher densiti boundari layer veloc stagnat enthalpi profil sensit pressur gradient familiar case moder temperatur differ fact case nondimension enthalpi gradient surfac repres accur classic pressur gradient surfac heat-transfer rate distribut directli term surfac pressur distribut order illustr method solut appli special case unyaw hemispher unyaw blunt cone cap spheric segment opposit limit case diffus rate-control diffus equat speci reduc form low-speed energi equat prandtl number replac schmidt number simplif introduc case applic express surfac heat transfer rate maximum ratio rate heat transfer diffus heat conduct case thermodynam equilibrium prandtl schmidt diffus coeffici estim reason atom-molecul collis cross ratio 1 30 addit theoret experiment studi clearli requir simpl accept 