5. SUMMARY OF AVAILABLE EQUIPMENT
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- 5. Summary of Available Equipments
5-3. Renewable Energy Dynamics
(1) Boundary Layer Wind Tunnel (2) Thermal Stratification Wind Tunnel (3) Ocean Engineering Tank
(4) Field Emission Scanning Electron Microscope
( 1 ) Boundary Layer Wind Tunnel
Contact : Takanori Uchida
| Item | Specification |
|---|---|
| Type: | Closed circuit |
| Dimensions of test section: | 3.6 m (W) x 2.0 m (H) x 15 m (L) |
| Wind speed: | U = 0.1 ~ 30 m/s (Usiging the second section, U = 0.1 ~ 60 m/s) |
| Turbulence intensity: | less than 0.5% |
| Travesing system: |
X-axis, 0 ~ 15 m; Y-axis, 0 ~ 3.2 m, Z-axis, 0 ~ 1.5 m |
| Measurement instruments: | Ultrasonic anemometer, hot-wire sytem, load cell, pressure transducer, smoke-wire device, etc. |
( 2 ) Thermal Stratification Wind Tunnel
Contact : Takanori Uchida
( 3 ) Ocean Engineering Tank
Contact : Changhong Hu
| Item | Specification |
|---|---|
| Tank |
Length 65m, Breadth 5 m, Depth 7.5 m (Normal Condition 7 m) Observation Window: Height 2 m, Breadth 1.5 m |
| Wave Generator |
Plunger Type (10 Blocks) Maximum Wave Height 0.3 m Wave Type : Regular Wave, Irregular Wave, Oblique Wave |
| Towing Carriage |
Maximum Speed 3.0 m/s Maximum Acceleration 0.05 G |
| Item | Specification |
|---|---|
| Ship Motion Measurement System | Pitch, Heave, Surge, and Added Resistance in Waves can be measured |
| Forced Oscillation Device (Heave, Pitch) |
Maximum Amplitude 200 mm Maximum Frequency 2 Hz |
| Forced Oscillation Device (Surge, Sway) |
Maximum Amplitude 250 mm Maximum Frequency 2 Hz |
| Wave Height Gauge | Capacitance Type (Range ± 150 mm) Servo Type (Range ± 150 mm) |
| Load Cell | Range 50kgf (Fx 50 kgf, Fz 50 kgf, My 25 kgf ・m) Range 20kgf (Fx 20 kgf, Fy 20 kgf, Fz 20 kgf) |
| Strain Amplifier | Frequency Response 2 kHz |
* An overhead crane (2.8 t) and a water filter (circulation type) are provided in the towing tank building.
* Please contact for more details directly.
* Please contact for more details directly.
( 4 ) Field Emission Scanning Electron Microscope
Contact : Mitsugu Todo
| Item | Specification |
|---|---|
| resolution | 1.5 nm (30 kV, WD = 5 mm) |
| magnification | x20 ~ x300,000 |
| Electric-optical system electric beam gun extraction voltage (Vext) Acceleration voltage(Vacc) Lens system Object lens opening Astigmatic calibration coil Scanning coil |
field emission type 0 ~ 6.5 kV 0.5 ~ 30 kV (100V step) 2 levels electromagnetic reduction system mobile opening Self-cleaning thin-layer opening Electromagnetic type, 2 levels electromagnetic inclined type |
| Specimen positioning system X-movement Y-movement Z-movement inclination rotation specimen size |
0 ~ 100 mm 0 ~ 50 mm 5 ~ 35 mm 0 ~ + 60 deg 360 deg (continuous) max 102 mm (diameter) |
| Image display Display style Observation monitor Photographing CRT |
Stationary image display by stored images in memory Two 12-inches TV monitors High resolution type monitor |
