Researcher Database

（Last updated : 2025-04-07 14:11:03）　

WELLS John

Department / Course College of Science and Engineering Department of Civil and Environmental Engineering

Title / Position Professor

Other Affiliations
1.	Graduate School of Science and Engineering
2.	Research Organization of Science and Technology Research Centre for Palaeoclimatology
3.	Research Organization of Science and Technology Research Center for Lake BIWA & Environmental innovation

Academic background
1.		Others
2.	～1992/03	Doctorial Course │ Mechanics │ Institut de Mecanique │ Univ. Grenoble I │ Completed

Research activities
1.		The Japan Society of Mechanical Engineers
2.		Japan Society of Civil Engineers

Subject of research
1.	Physical nowcasting of lakes
2.	Production of hollow silicon spheres for photovoltaic applications
3.	Acoustic Tomography in Lakes
4.	Micromechanics of Running Sand by Experiment and Numerical Computation

Research summary
Numerical simulation of material transport in lakes, and physical forecasting of lakes Application of Coastal Acoustic Tomography (CAT) to Lake Biwa Mechanics of bedload sediment transport, and vortex structure in turbulent boundary layers Fluid-particle interactions, as analyzed via vortex dynamics, lubrication theory and experiments (particle image velocimetry and visualization)

Present specialized field
Hydraulics and River Engineering (Keyword：fluid mechanics, hydraulic engineering and hydraulics)

Books
1.	2023	Simulating rapid water level decrease of Lake Biwa due to Typhoon Jebi (2018)

Papers
1.	2023	Fabrication of Hollow Silicon Millispheres Through a Coaxial Nozzle, with Observation of a Novel Horn Structure │ Materials Today Communications │ (accepted)
2.	2022/08/25	CFD Analysis of Different Ventilation Strategies for a Room with a Heated Wall │ Buildings │ 12 (9),pp.1300
3.	2020/11	Effects of wall proximity on the airflow in a vertical solar chimney for natural ventilation of dwellings │ J. Building Physics │ 44 (3),pp.225-250
4.	2020/03	A numerical study on induced flowrate and thermal efficiency of a solar chimney with horizontal absorber surface for ventilation of buildings. 2020, 28, │ J. Building Engineering │ 28,pp.101050
5.	2019/11	Formation and Breakup of an Immiscible Compound Jet with Density or Viscosity Stratification │ Applied Sciences │ 9 (22),pp.article 4817
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Academic conference presentation
1.	2025/03/04	Investigation of differential acoustic travel times (DTT) in a stratified lake at superkilometer ranges
2.	2024/10/23	Toward assimilation of large-scale currents measured by differential acoustic travel times in a deep stratified lake.
3.	2024/05/24	Application of Principal Component Analysis to evaluate skill of hydrodynamic simulations in stratified lakes
4.	2024/05/14	Acoustic tomography in a deep stratified lake; toward reliable estimates of large-scale currents by differential travel time.
5.	2023/04/24	On the hypothesis of microplastics resuspension by internal waves in a deep stratified lake
Display All（68）

Acquisition patent
1.		直接静電プリント方法及び装置（特開平10-239958）

Home Page
Wells laboratory, Dept. Civil Engineering