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Towing Tank

Tank Dimensions : Length 234.5 m (incl. Harbour) x Breadth 11 m x Water Depth 5.5 m
Towing Carriage : Manned, Max Acceleration 1 m/s2, Max Speed 9 m/s
Ship Model: Wooden Model 4 – 9 m
Wave Maker : Hydraulically driven dual-dry-back-flap type capable of generating regular and irregular wave with period 0.5 – 3.5 sec with direction 0o and 180o and significant wave height up to 0.5 m
Beach : Fixed lattice on circular arc plates with movable part in front of harbour
Measuring Instruments:

  1. Resistance dynamometer
  2. Open water propeller dynamometer
  3. Self-propulsion dynamometer
  4. Trim meter
  5. Wake measuring instrument
  6. Accelerometer
  7. Pressure transducer for pressure variation and slamming
  8. Forces and bending moments transducers


Maneuvering and Ocean Engineering Basin


Tank dimensions (excl. harbour) : Deep part 60 m x 35 m, max water depth 2.5 m
Pit part 5 m x 5 m, max water depth 9.5 m
Shallow part 45 m x 35 m, max water depth 1.25 m
Main and sub carriage : Manned, max acceleration 0.8 m/s2, max speed 2 m/s
Model : Floating or fixed structures of any kind, size depending on water depth and wave condition, from 0.2 m buoy model to 4 m long ship model
Wave maker : Hydraulically driven snake type capable of generating regular or irregular waves with period of 0.5 – 3 seconds with direction in deep part between 0o and 90o, 180o and 270o; in shallow part between 0o and 180o; with significant wave height up to 0.3 m
Measuring instruments :

  1. Self propulsion dynamometer
  2. Model Position Measurement Systerm for tracking 6 motion components
  3. Wireless Control System
  4. Automatic pilot rudder control system
  5. Accelerometer
  6. Pressure transducer for pressure variation and slamming
  7. Forces and bending moment transducers


Cavitation Tunnel

Shape and dimensions : Vertical closed recirculating type with variable speed and pressure
Pressure Range : 0.2 – 2 bar absolute
Propeller model : Max diameter 300 mm

  1. Main dynamometer for propeller
  2. Ship dummy model dynamometer
  3. Wake field measurement apparatus
  4. Differential pressure transducer
  5. Pressure transducer
  6. Stroboscope


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Contact Us

Lab. Hidrodinamika Indonesia

Balai Teknologi Hidrodinamika

Jl. Hidrodinamika, BPPT, Sukolilo (Kompleks ITS)

Surabaya 60112 INDONESIA

Phone: +62315948060

Fax: +62315948066