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A Study of the Fukushima Daiichi Nuclear Accident ProcessFukushima Daiichi Unit 4 Accident

A Study of the Fukushima Daiichi Nuclear Accident Process: Fukushima Daiichi Unit 4 Accident [The Unit 4 was out of operation for shroud exchange work, but it made a mysterious hydrogen explosion in the Unit 4 reactor building. It was about 5 months later that the TEPCO staff found a clear evidence of this mystery. The Unit 3 and the Unit 4 plant shares an exhaust stack for release to the environment. They found a trace of reverse hydrogen gas flow from the exhaust stack to the Unit 4 building. I searched for ignition sources of the hydrogen explosion and presumed that it was a spark on impact of the air duct expansion due to room temperature increase.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Study of the Fukushima Daiichi Nuclear Accident ProcessFukushima Daiichi Unit 4 Accident

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Publisher
Springer Japan
Copyright
© Springer Japan 2015
ISBN
978-4-431-55542-1
Pages
123 –132
DOI
10.1007/978-4-431-55543-8_3
Publisher site
See Chapter on Publisher Site

Abstract

[The Unit 4 was out of operation for shroud exchange work, but it made a mysterious hydrogen explosion in the Unit 4 reactor building. It was about 5 months later that the TEPCO staff found a clear evidence of this mystery. The Unit 3 and the Unit 4 plant shares an exhaust stack for release to the environment. They found a trace of reverse hydrogen gas flow from the exhaust stack to the Unit 4 building. I searched for ignition sources of the hydrogen explosion and presumed that it was a spark on impact of the air duct expansion due to room temperature increase.]

Published: Apr 7, 2015

Keywords: Fukushima Daiichi; Hydrogen explosion; Saturation steam; Spent fuel storage pool; SGTS

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