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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Launch and Entry Failures“Failure is always an option”

• Various launch vehicle failures (video only)• STS 51-L - Challenger• STS 107 - Columbia• AMROC SET-1

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© 2014 David L. Akin - All rights reservedhttp://spacecraft.ssl.umd.edu

Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Review Slide - STS-51L L-1 FRR

From Edward R. Tufte, Visual and Statistical Thinking: Displays of Evidence for Making Decisions Graphics Press, 1997

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Black Smoke Plumes from Aft Field Joint

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND 4

Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Photographic Evidence

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

T+58 sec - Appearance of External

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Flame Hitting Aft Attach Fixture and ET

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Progression of SRB Burn-through

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Original SRB Field Joint Design

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

The Slide That Was Presented

From Edward R. Tufte, Visual and Statistical Thinking: Displays of Evidence for Making Decisions Graphics Press, 1997

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

The Slide That Should Have Been...

From Edward R. Tufte, Visual and Statistical Thinking: Displays of Evidence for Making Decisions Graphics Press, 1997

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Clearance Effects on O-Ring Seating

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Dynamic Motion of O-Ring Seals

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Redesigned SRB Field Joint

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Revised SRB Assembly Technique

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Columbia Launch - STS-107

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

L+81.9 sec

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

In-Flight Breakup

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Events Along Flight Path

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Columbia Debris Reconstruction

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

CFD Analysis of Internal Airflow

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Failure Rates of Sensor Wiring Bundles

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Divergence of Roll/Yaw Angles

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

High-Velocity Impact Testing of RCC

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Results of Impact Tests on RCC

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

Entry Flow Regimes

ref: Frank J. Regan, Reentry Vehicle Dynamics AIAA Education Series, NY, NY 1984

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

October 5, 1989 - T+2 sec

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Launch and Entry FailuresENAE 791 - Launch and Entry Vehicle Design

U N I V E R S I T Y O FMARYLAND

October 6, 1989 - Aftermath

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