 aerodynam consider nozzl afterbodi combin aerodynam consider nozzl afterbodi combin aerodynam problem associ propuls-system instal assum role vital develop superson aircraft air-induct system receiv moder attent literatur consider design instal turbojet exit nozzl condit interpret indic lack problem jet-exit design flight speed reach superson level increasingli difficult achiev nozzl instal effici entir speed rang difficulti stem fact goal high jet thrust low afterbodi drag compat compromis solut gener unsatisfactori examin isol nozzl afterbodi perform treat unit complex effect jet interact extern stream account accomplish nozzl air-frame design close coordin effort aerodynam problem nozzl afterbodi combin outlin report attent devot influenc jet-stream interact nozzl thrust after-bodi drag purpos shock- boundari-layer-interact concept approach precis correctli predict trend gener enlighten 