When the tsunami caused the Fukushima breakdown

General Press Releases Tuesday March 1, 2016 11:23
Bangkok--1 Mar--Asian Institute of Technology
Although all the working units of the nuclear reactor were shut down following the Tohoku earthquake, the question of how Fukushima-I exploded has baffled many observers.

The answer to this, according to Dr. Noritaka Yusa of Tohuku University, is fairly simple. Following the Tohuku earthquake of 11 March 2011, all nuclear reactors were shut down. Additionally, diesel generators were switched on to ensure an adequate supply of water to the nuclear plant. However, when the 14-metre tsunami hit Fukushima, the diesel generators were destroyed and the sea water pumps were damaged. This implied that sufficient water was not available for the proper functioning of the cooling system resulting in overheating of the fuel rods overheating and ultimate meltdown.

Dr. Noritaka of Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, who was at AIT on 23 February 2016, elaborated on how the lack of external power resulted in the disaster. Fukushima-I did not have electricity, and it died; while some of the other units at Fukushima, which had external power to provide the cooling water survived, he remarked.

Explaining the historic background to the reliance of nuclear power in Japan, Dr. Noritaka stated that Japan has extremely limited quantities of coal and gas, and no oil reserves. Further, since the land mass is not physically connected to any other country which makes transmission of power extremely difficult. These factors contributed to Japan's reliance on nuclear energy.

He also spoke about the lessons learnt from the Fukushima disaster, stating that both tsunami countermeasures and accident management systems under severe disasters were insufficient. He remarked that while the slogan that nuclear energy was 100 percent safe is an easy way to communicate with lay audiences; but from an engineering viewpoint, a 100 per cent safety impedes scope for improvements.

Photo caption: Dr. Noritaka Yusa

Latest Press Release

Photo Release: Fujitsu Power for society Reserve blood to help patients and victims. Join the 22nd FTH Voluntary Blood Donation Day for the Thai Red Cross

Ms. Krittinee Sivakul, Head of HR & Administration Group, Fujitsu (Thailand) Co., Ltd. (FTH) led a group comprising company management and staff at a special executives and 190 employees of the company recently donated blood to the Thai Red Cross...

Spaghetti with Crunchy Chicken c Koh Yao Noi

This January and February, from 9.00 a.m. until 10.00 p.m., Cafe Kantary, Koh Yao Noi, in front of Cape Kudu Hotel invites you to try our "Spaghetti with Crunchy Chicken". The crunchy chicken is the ideal partner when intertwined in a perfectly cooked...

BITEC HALF MARATHON 2019, THE BIGGEST CHARITY RUN ON DEBARATNA ROAD ENCOURAGES THAIS TO BETTER HEALTH

Bangkok International Trade and Exhibition Centre (BITEC) welcomed a bright start to the year 2019 with its 7th annual charity run, BITEC Half Marathon 2019. The joyful event was joined by over 7,000 runners, both professionals and amateurs who all...

ETDA launches the grand opening of Young Talent Platform in Thailand e-Commerce Week 2019 gather the power of young generation building the workforce ready for the era of e-Commerce

ETDA shows strength by creating the first e-Commerce platform in Thailand called "Young Talent Platform" for e-Commerce Park which is going to be launched in Thailand e-Commerce Week 2019. Expecting to develop and drive Thai entrepreneurs to Global...

Quench Your Thirst With Luscious Strawberry Cocktails and Smoothies at The Emporia Restaurant

Strawberries are loved by everyone because of their beautiful aroma, vivid red colour, juicy texture and amazing sweetness and our imaginative creations take this delectable fruit to an even higher level. Aficionados of relaxing afternoon or stimulating...

Related Topics