Research Project |
Period |
Researcher(s) |
Overview |
Plan |
2002 |
1. Study on viscous flow around ship structures |
7 |
6 |
T. Suzuki H. Suzuki |
With the interference of pressure fluctuations and speed changes
in the turbulence boundary layer, investigates the change of turbulence structure
and solves the decreasing effect mechanism in friction resistance. Also, studies
viscous flow around ship structures using numerical analysis of the Navier-Stokes
equation. |
2. Development of flow observation method applying
visualized flow system |
7 |
6 |
T. Suzuki |
Applying flow visualization, develops a measurement method
for density current, vibrating current and flow around ships. |
3. Development of wave data observation system
using remote sensing |
7 |
6 |
T. Suzuki |
Develops a measurement method for significant wave height
and mean wave length using reflected rays from the wave surface and continuous
or pulse radars from an artificial satellite. |
4. Study on simulation of flow around traversing
ships |
4 |
4 |
Y. Toda |
Simulating flow around slow traversing ships using RANS equation,
obtains maneuvering data for tug boats at berth. |
5. Study on underwater mobile body skillful in
slow motion |
4 |
1 |
T. Suzuki Y. Toda H. Suzuki |
Investigates a propulsion system using side fins like cuttlefish
with computational fluid dynamics (CFD) and model tests. Develops an underwater
mobile body. |
6. Fundamental study on gravity flow |
4 |
4 |
Y. Toda |
Investigates numerical calculation of gravity flow. |
7. Study on numerical model of the ocean |
5 |
4 |
Y. Toda |
Develops a hybrid model for estimating coastal sea flow with
cooperation. Mainly develops a version using after-settlement and boundary fit
lattice. |
8. Study on new paint decreasing frictional resistance |
1 |
1 |
Y. Toda |
Investigates new painting material for decreasing frictional
resistance of new categories. |
9. Study on relation between traveling speed of
moisture distribution in air and sea wind |
4 |
4 |
T. Suzuki T. Takemi |
Using remote sensing data, obtains the amount of moisture
in air and its traveling speed and from its speed, develops an estimation technique
for sea wind. |
10. Study on reciprocal action between the air
and the ocean |
5 |
4 |
T. Takemi |
Using a measuring data observation ship, studies the exchange
process of energy and matter between air and the ocean or the advancing process
of the air boundary layer. |
11. Study on estimation technique of moisture
in air and application of forecasting marine weather |
4 |
4 |
T. Takemi |
Using split window data from the satellite Himawari, improves
estimation accuracy of moisture in air and when applied to marine weather forecasting,
it will contribute to safety navigation. |
12. Study on structure and emersion of small-scale cumulus unevenly distributed in the west Pacific tropical ocean |
2 |
1 |
T. Takemi |
Cumulus groups in the west Pacific tropical ocean exert an
important effect on the global climate. Using field data from an observation ship,
investigates the movement and emersion characteristics of cumulus clouds. |