default author photo

Ryozo Ooka

University of Tokyo - Institute of Industrial Science

Tokyo

Japan

  • University of Tokyo - Institute of Industrial Science

SCHOLARLY PAPERS

10

DOWNLOADS

487

TOTAL CITATIONS

1

Scholarly Papers (10)

Actions:
Email selected abstracts
1.

Applying a Physics-Informed Neural Network to an Indoor Airflow Time-Extrapolation Prediction

Number of pages: 30 Posted: 25 Nov 2024
Chenghao Wei and Ryozo Ooka
Kanto Gakuin University and University of Tokyo - Institute of Industrial Science
Downloads 128 (576,708)
Citation 1

Abstract:

Loading...

Physics-informed neural network, Extrapolation prediction, Unsteady airflow development

2.

Spatiotemporal Dynamics of Urban Extreme Heat under Intensifying Potential Future Heatwaves: Evidence from the Tokyo Megalopolis

Number of pages: 51 Posted: 18 Dec 2025
Dun ZHU, Xuefan Zhou, Gaofeng Deng and Ryozo Ooka
University of Tokyo, Huazhong University of Science and Technology, China Academy of Building Research and University of Tokyo - Institute of Industrial Science
Downloads 55 (1,031,043)

Abstract:

Loading...

global warming, heatwave identification, urban heat heterogeneity, CMIP6, WRF-BEP+BEM, coastal metropolis

3.

Influence of Wind Direction on Natural Ventilation Determined by Field Experiments and Numerical Simulations Conducted in Two-Room House

Number of pages: 26 Posted: 09 Mar 2023
Hong Hu, Hideki Kikumoto and Ryozo Ooka
University of Tokyo - Graduate School of Engineering, University of Tokyo - Institute of Industrial Science and University of Tokyo - Institute of Industrial Science
Downloads 50 (1,063,489)

Abstract:

Loading...

natural ventilation, field measurement, computational fluid dynamics, constant-injection tracer gas method, wind direction

4.

Exergetic Behaviour of Geothermal Energy Community-Scaled Delivery Process

Number of pages: 20 Posted: 26 May 2023
Genku Kayo, Wonjun Choi, Masanori Shukuya and Ryozo Ooka
affiliation not provided to SSRN, Chonnam National University, Tokyo City University and University of Tokyo - Institute of Industrial Science
Downloads 49 (1,074,648)

Abstract:

Loading...

Exergy, geothermal energy system, delivery process, district scale energy delivery, exergetic analytical model

5.

Large-Eddy Simulations on Pollutant Reduction Effects of Hedge and Solid Barriers in an Idealized Street Canyon

Number of pages: 27 Posted: 27 Mar 2023
Chao Lin, Ryozo Ooka, Hideki Kikumoto, Cédric Flageul, Youngseob Kim, Yunyi Wang, Alice Maison, Yang Zhang and Karine Sartelet
University of Tokyo - Institute of Industrial Science, University of Tokyo - Institute of Industrial Science, University of Tokyo - Institute of Industrial Science, Université de Poitiers, Ecole des Ponts ParisTech, Ecole des Ponts ParisTech, Ecole des Ponts ParisTech, Northeastern University (USA) and Ecole des Ponts ParisTech
Downloads 49 (1,074,648)

Abstract:

Loading...

Pollutant dispersion, Street canyon, les, Barrier, Vegetation

6.

Probabilistic Uncertainty Quantification of Borehole Thermal Resistance in Real-World Scenarios

Number of pages: 21 Posted: 09 Aug 2021
Wonjun Choi, Hideki Kikumoto and Ryozo Ooka
University of Tokyo - Institute of Industrial Science, University of Tokyo - Institute of Industrial Science and University of Tokyo - Institute of Industrial Science
Downloads 38 (1,222,651)

Abstract:

Loading...

7.

Impact of Urban Forms on Spatiotemporal Variabilities in Pedestrian Thermal Environment in Coastal Cities During High-Temperature Days

Number of pages: 48 Posted: 07 Nov 2024
DUN ZHU and Ryozo Ooka
affiliation not provided to SSRN and University of Tokyo - Institute of Industrial Science
Downloads 36 (1,249,711)

Abstract:

Loading...

extreme heat event, Urban heat island, urban form, land-sea temperature gradient, WRF/BEP+BEM, gridded urban canopy parameters

8.

Comparison of Indoor/Outdoor Ratios of Pollens During Off-Peak and Peak Periods in Japan

Number of pages: 30 Posted: 10 Apr 2023
Wen chao Wang, Ryozo Ooka, Hideki Kikumoto, Wonseok Oh and Mengtao Han
University of Tokyo - Graduate School of Engineering, University of Tokyo - Institute of Industrial Science, University of Tokyo - Institute of Industrial Science, University of Tokyo and Huazhong University of Science and Technology
Downloads 33 (1,277,121)

Abstract:

Loading...

indoor environment, pollen, indoor/outdoor ratios, off-peak and peak pollen periods

9.

Relationship between Natural Ventilation Modes and the I/O Ratio of Japanese Cedar Pollen and Cry J 1 Allergen

Number of pages: 23 Posted: 29 Apr 2024
Wen chao Wang, Hideki Kikumoto, Chao Lin, Wonseok Oh, Mengtao Han and Ryozo Ooka
University of Tokyo - Graduate School of Engineering, University of Tokyo - Institute of Industrial Science, University of Tokyo - Institute of Industrial Science, University of Tokyo, Huazhong University of Science and Technology and University of Tokyo - Institute of Industrial Science
Downloads 25 (1,385,945)

Abstract:

Loading...

Air change rate, Indoor/outdoor ratio, Japanese cedar pollen, Cry j 1 allergen

10.

Spatiotemporal Distribution of Cooling Effects from Urban-Scale Rooftop Mitigation Strategies During High-Temperature Weather—A Case Study of the Coastal Metropolis Tokyo

Number of pages: 46 Posted: 27 Feb 2024
DUN ZHU and Ryozo Ooka
affiliation not provided to SSRN and University of Tokyo - Institute of Industrial Science
Downloads 24 (1,411,822)

Abstract:

Loading...

Extreme heat event, Urban Heat Island, Rooftop Mitigation Strategy, Weather Research and Forecasting Model, Urban Canopy Model, Gridded urban canopy parameters