CHALLENGER 51LSHUTTLE DISASTER挑战者号航天飞机事故挑挑战战者号航天者号航天飞飞机事故机事故THE SPACE SHUTTLE CHALLENGER FLIGHT 51L挑挑战战者号航天者号航天飞飞机事故机事故CHALLENGER CREWONIZUKA McAULIFFE JARVIS RESNICK SMITH SCOBIE McNAIR挑挑战战者号航天者号航天飞飞机事故机事故MISSION OBJECTIVESn nTracking Data Relay Satellite 2 DeploymentTracking Data Relay Satellite 2 Deploymentn nSPARTAN-203 Shuttle Pointed Tool / Halleys SPARTAN-203 Shuttle Pointed Tool / Halleys Comet Experiment DeploymentComet Experiment Deploymentn nFluid Dynamics ExperimentFluid Dynamics Experimentn nComet Halley Active Monitoring ProgramComet Halley Active Monitoring Programn nPhase Partitioning ExperimentPhase Partitioning Experimentn nShuttle Student Involvement ProgramShuttle Student Involvement Programn nTeacher In Space ProjectTeacher In Space Project挑挑战战者号航天者号航天飞飞机事故机事故LAUNCH DELAYSn n22-24/1/86 Delay to Mission 61-Cn n25/1/86 Bad Weather at Transoceanic Abort Landing Site (TAL), Dakar, Senegaln n26/1/86 Bad Weather at KSCn n27/1/86 Problem with Ground Equipment Closing Hatchn n28/1/86 Hardware Interface Module Failure挑挑战战者号航天者号航天飞飞机事故机事故SHUTTLE LAUNCHn nGMT (hr:min:sec) Event GMT (hr:min:sec) Event n n38:00.688 Confirmed smoke above field joint on RH SRM38:00.688 Confirmed smoke above field joint on RH SRMn n38:00.846 Eight puffs of smoke (from 0.836 thru 2.500 38:00.846 Eight puffs of smoke (from 0.836 thru 2.500 sec MET) sec MET) n n38:02.743 Last positive evidence of smoke above right 38:02.743 Last positive evidence of smoke above right aft SRB/ET attach ring aft SRB/ET attach ring n n38:03.385 Last positive visual indication of smoke 38:03.385 Last positive visual indication of smoke 挑挑战战者号航天者号航天飞飞机事故机事故FLAMES n n38:58.798 First evidence of flame on RH SRM 38:58.798 First evidence of flame on RH SRM n n38:59.272 Continuous well defined plume on RH SRM 38:59.272 Continuous well defined plume on RH SRM n n38:59.763 Flame from RH SRM in +Z direction 38:59.763 Flame from RH SRM in +Z direction n n39:00.248 First evidence of plume deflection, intermittent 39:00.248 First evidence of plume deflection, intermittent n n39:00.258 First evidence of SRB plume attaching to ET ring frame 39:00.258 First evidence of SRB plume attaching to ET ring frame n n39:00.998 First evidence of plume deflection, continuous 39:00.998 First evidence of plume deflection, continuous 挑挑战战者号航天者号航天飞飞机事故机事故DISASTER挑挑战战者号航天者号航天飞飞机事故机事故SOLID ROCKET BOOSTER挑挑战战者号航天者号航天飞飞机事故机事故Roger Boisjoly挑挑战战者号航天者号航天飞飞机事故机事故O RING EROSIONPrimary Seal Erosion from Flight 51-B挑挑战战者号航天者号航天飞飞机事故机事故JOINT ROTATIONn nphenomenon caused by the phenomenon caused by the internal pressureinternal pressuren ncauses the sections of the causes the sections of the rocket to swell rocket to swell n nseparates the joint separates the joint n nlimits the secondary O-limits the secondary O-rings ability to perform as a rings ability to perform as a redundant seal redundant seal 挑挑战战者号航天者号航天飞飞机事故机事故MANAGEMENT STRUCTURES挑挑战战者号航天者号航天飞飞机事故机事故THE ROGERS COMMISSION挑挑战战者号航天者号航天飞飞机事故机事故