Engineering case studies download




















Two years went by. In the cargo door of DC — 10 Jumbo burst open and the jet crashed near Paris killing Shortly thereafter he was fired on trumped — up charges.

The Senators prompted the Atomic Energy Commission to investigate, which confirmed his allegations. Y — fifth highest skyscraper in New York. The building was completed in An engineering student like you questioned: what will happen when the wind loading is oblique? While LeMessurier designed welded joints, the contractor, Bethlehem Steel changed them to bolted joints.

Recalculation was not done to check what the construction change would do. Wind Tunnel Tests proved that the diagonal wind loading with a return period of 16 years can lead to the failure of the critical bolted joints and therefore the building. LeMessurier was deeply troubled. He explained the problem to his client Citicorp. The building was strengthened by welding two-inch thick steel plates over each of the bolted joints. With only welding half the number of bolts hurricane Ella was threatening to strike the building.

Despite the fact that nothing happened as the result of the engineering gaffe, the crises was kept hidden from the public for almost 20 years. And 28th Jan was expected to be cold. Seal experts Arnold Thompson and Roger Boisjoly of Morton — Thiokol, explained to NASA representatives how upon launch the booster rocket walls bulge and the combustion gases can blow past one or even both of the O- rings that make up the field joints.

The rings char and erode, as had been observed on many previous flights. The count down ended at The temperature was 36 degrees. As the rocket carrying the Challenge Rose from the ground, cameras showed smoke emanating through the O rings. Soon these turned into a flame that hit the external fuel tank and a strut holding the booster rocket. At 76 seconds into the flight, by the time Challenger and its rocket had reached 50, feet, it was totally engulfed in a fire ball.

The crew cabin separated and fell into the ocean, killing all abroad. Mission Commander: Francis Scobee. Pilot: Michael Smith. Using their knowledge and skill for the enhancement of human welfare; II.

Being honest and impartial, and serving with fidelity the public, their employers and clients: III. Show related SlideShares at end. WordPress Shortcode. Share Email. Top clipped slide. Download Now Download Download to read offline. Engineering case studies Jan. Zinnov Follow. Zinnov zones - Digital in Retail. Global Engineering Insights Platform. Product Engineering Services Trends Q2. Zinnov Zones for Robotic Automation Services. Related Books Free with a 30 day trial from Scribd.

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