air blast winds due to ground...capacity: 840 mw – 2 units tokyo gas capacity 400 mw start of...

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Tokyo peak air blast winds due to Ground Impact of 90-meter secondary

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Page 1: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo peak air blast winds due to Ground Impact of 90-meter secondary

Page 2: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo

Damage Zones

Initial crude approximation of Tokyo Impact Damage 270 meter object (Purdue impact simulator)

Page 3: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo Demographics & Industry

• Tokyo-Yokohama worlds largest populous metropolitan area > 37.8M 1

• Population of prefecture including special wards + 13.7M• World’s largest agglomeration economy; combined population, industry, firms,

markets clustered together i• Heavy industry and manufacturing in Chiba, Kawasaki and Yokohama; light

industry in Tokyo proper• Kawasaki is home to one of the 3 major heavy industrial manufacturers: Kawasaki

Heavy Industries (motorcycles, heavy equipment, aerospace and defense, rolling stock and ship, industrial robots, gas turbine and industrial products), Kawasaki Steel and Kawasaki Kisen (Transportation: Marine, Land and Air) 2

• Tokyo is home to a large financial and insurance market3

1 https://en.wikipedia.org/wiki/Tokyo 3 https://www.city-data.com/world-cities/Tokyo-Economy.html2 https://en.wikipedia.org/wiki/Kawasaki_Heavy_Industries

https://en.wikipedia.org/wiki/Tokyo

Page 4: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo Accounts for 20% of Japan’s GDP

•GDP of Tokyo in 2013 was 93.1 trillion yen. Japan GDP was 480 trillion yen in 2013.

•The graph below shows the breakdown of Tokyo GDP and Japan GDP by industry.

http://nbakki.hatenablog.com/entry/Breakdown_of_Tokyo_GDP_2015

Page 5: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo and Perfecture in 2015, World’s 3rd largest Solar/Photovoltaics Installed Capacity

34,150 MW; 3.5% of Nation’s Annual electricity•Solar and Thermal

•Oi Power Station•Ohgishima Solar Power•Ukishima Solar Power•#12

East Tokyo Bay•Anegasaki•Sodeguara•Futtsu**2nd largest NG gas-fired power station in the world. 5,040 MW 4 units, 2 @ 1,520 MW and 1 @ 1,000 MW

https://en.wikipedia.org/wiki/Natural_gas

https://en.wikipedia.org/wiki/Megawatt

Page 6: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tokyo Gas-fired Infrastructure

Kawasaki Natural GasCapacity: 840 MW – 2 UnitsTokyo Gas Capacity 400 MWStart of operations 200849 % of Tokyo Gas Interest

Tokyo Gas Yokusuka PowerCapacity: 240 MW Tokyo Gas Capacity 180 MWStart of operations 200675 % of Tokyo Gas Interest

Ohgishima PowerCapacity: 1,221 MW – 3 StationsTokyo Gas Capacity 900 MWStart of operations 201075 % of Tokyo Gas Interest

Tokyo Gas BaypowerCapacity: 100 MWTokyo Gas Capacity 100 MWStart of operations 200375 % of Tokyo Gas Interest

Tokyo Gas Annual Repot 2015. http://www.tokyo-gas.co.jp/IR/english/library/pdf/anual/15e09.pdf

http://www.tokyo-gas.co.jp/IR/english/library/pdf/anual/15e09.pdf

Page 7: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Simulated Tsunami In Japan Trench –Resulting from Impact of 270-meter primary

• Inundation up to 2 km inland at places

• Fairly uniformly around half a kilometer

• The colors show amplitude of computed waves

• The model computes about 50km^2 flooded in that area.

Page 8: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Tsunami Risk Mitigation at Fukushima

• The reactor although shuttered; is still seeping contamination

• “Ice wall” implemented to prevent the continued release of radiation

• 1.5 km deep ice wall designed to keep soil frozen

• Any breach would certainly draw further contamination into the ocean

http://www.pbs.org/newshour/updates/fukushima-radiation-continues-to-leak-into-the-pacific-ocean/

Page 9: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

Damage area is insensitive to energy deposition height 6km Ground Impact12km

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Page 10: air blast winds due to Ground...Capacity: 840 MW – 2 Units Tokyo Gas Capacity 400 MW Start of operations 2008 49 % of Tokyo Gas Interest Tokyo Gas Yokusuka Power Capacity: 240 MW

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