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Enhanced Activity of Integrated CO₂Capture and Reduction to CH₄under Pressurized Conditions toward Atmospheric CO₂Utilization

Kosaka, Fumihiko (author), Liu, Yanyong (author), Chen, Shih Yuan (author), Mochizuki, Takehisa (author), Takagi, Hideyuki (author), Urakawa, A. (author), Kuramoto, Koji (author)

A desirable process for realizing a low-carbon society is the direct conversion of dilute CO2 from flue gases or air into highly concentrated hydrocarbons without a need for separate CO2 capture and purification processes. In this study, we investigated the performance of integrated CO2 capture and reduction to CH4 over Ni-based dual...

journal article 2021

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100% renewable energy system in Japan: Smoothening and ancillary services

Esteban, Miguel (author), Portugal-Pereira, Joana (author), Mclellan, Benjamin C. (author), Bricker, J.D. (author), Farzaneh, Hooman (author), Djalilova, Nigora (author), Ishihara, Keiichi N. (author), Takagi, Hiroshi (author), Roeber, Volker (author)

In the aftermath of the Paris Agreements, many countries around the globe have pledged to reduce the amount of greenhouse gas emissions being released into the atmosphere. To do so, it is important that the amount of renewable energy in the electricity grid increases. However, there are worries of the capacity of the grid to cope with...

journal article 2018

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Tsunami Bore Overtopping Of Coastal Structures

Esteban, Miguel (author), Takabatake, Tomoyuki (author), Glasbergen, Toni (author), Hofland, Bas (author), Nishida, Yuta (author), Nishiazaki, Shinsaku (author), Stolle, Jacob (author), Nistor, Ioan (author), Takagi, Hiroshi (author), Bricker, J.D. (author), Shibayama, Tomoya (author)

In the aftermath of the 2011 Tohoku Earthquake and Tsunami Japanese tsunami protection philosophy now dictates that coastal defences should prevent the land that they protect from being flooded under a Level 1 event (with a return period in the order of about 100 years). To ascertain the overtopping mechanism and leeward inundation heights of...

conference paper 2018

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Tsunami awareness: a comparative assessment between Japan and the USA

Esteban, Miguel (author), Bricker, J.D. (author), San Carlos Arce, Ricardo (author), Takagi, Hiroshi (author), Yun, Nam Yi (author), Chaiyapa, Warathida (author), Sjoegren, Alexander (author), Shibayama, Tomoya (author)

Awareness about the threats posed by different types of coastal disasters has increased throughout the world, as people are exposed to the nature of these hazards through media reports on events in distant countries. This has resulted in coastal residents being aware about the destructive power of tsunamis, despite no such events having taken...

journal article 2018

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Overtopping of coastal structures by tsunami waves

Esteban, Miguel (author), Glasbergen, Toni (author), Takabatake, Tomoyuki (author), Hofland, Bas (author), Nishizaki, Shinsaku (author), Nishida, Yuta (author), Stolle, Jacob (author), Nistor, Ioan (author), Bricker, J.D. (author), Takagi, Hiroshi (author), Shibayama, Tomoya (author)

Following the 2011 Tohoku Earthquake and Tsunami, Japanese tsunami protection guidelines stipulate that coastal defences should ensure that settlements are shielded from the coastal inundation that would result from Level 1 tsunami events (with return periods in the order of about 100 years). However, the overtopping mechanism and leeward...

journal article 2017

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Climate Change Adaptation in Tokyo Bay: The Case for a Storm Surge Barrier

Esteban, M. (author), Mikami, T. (author), Shibayama, T. (author), Takagi, H. (author), Jonkman, S.N. (author), Van Ledden, M. (author)

Increases in typhoon intensity and sea level rise could pose significant challenges to coastal defences around Tokyo Bay. In order to analyse the extent of future problems the authors determined the increase storm surge that could result from an increase in typhoon intensity and sea level rise to this area around the turn of the 21st century....

conference paper 2014

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Numerical study on the surface stability of an encapsulated microbubble in the ultrasound field

Liu, Yunqiao (author), Sugiyama, K. (author), Takagi, S. (author), Matsumoto, Y. (author)

conference paper 2009

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Hydroelastic behavior and fatigue damage of a very large mobile offshore structure in a realistic sea condition

Takagi, Ken (author)

conference paper 2008

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Hydrodynamic forces on a two-dimensional multihull structure in waves: application of the scattering matrix theory

Takagi, Ken (author)