HYDRAULIC INSTRUMENTATION CENTRE

Scientific analysis of natural processes, in nature or in the laboratory under simulated conditions, requires observation of various parameters. The Instrumentation and Control Engineering Laboratory is responsible for providing instruments for measurement of various hydraulic parameters, data acquisition, analysis and control systems.

CAPABILITIES

  • Development of transducers, instrumentation, measurement and calibration systems, computer based simulation systems, multi-channel data acquisition, analysis and control systems for hydraulic model studies

  • Development of custom-built software packages for data analysis, flow visualization, graphics, Management Information System

  • Provide consultancy services in the areas of hydrological networks, data communication networks, and dam instrumentation

  • Field data collection of water level, velocity, wave height and period, temperature, salinity, depth of water and analysis thereof

FACILITIES AND EQUIPMENT

  • Computer based online and real-time data acquisition and control, data analysis and presentation system

  • Computer controlled servo-hydraulic Random Sea Wave Generation systems for wave flumes and basins

  • Computer based electro-servo tide generation systems for tidal models

  • Computer controlled hydrograph and H-Q characteristics simulation systems for river and canal models

  • Sluice gate operation simulation and measurement system

  • Multichannel dynamic pressure measurement and analysis system

  • A precision workshop providing support in design and fabrication of sensors and control systems

LABORATORY INSTRUMENTS

  • Velocity: Propeller currentmeters 6 to 50 mm size, 5 to 100 cms/sec range, 1% accuracy

    

  • Flow direction: Self aligning vane with digital encoder

  • Water level: Water surface follower, range upto 50 cm, accuracy 0.2 mm

  • Water Temperature: Multichannel, direct indicating logging system, 5o to 45o C, accuracy +/- 0.1o C

  • Wave heights /Surge: Multichannel units, 50 cm range, 1 mm resolution, 5 Hz frequency response

    

  • Ship motions: Movements of Ship models in six degrees of freedom

  • Pressure: Piezo resistive / Piezo electric / capacitance transducers, range 0 to 10m of water column

  • Salinity: Conductivity probe, range 0.5 to 40ppt

  • Displacement: Fibre optic probes for measurement of small displacements, LVDTs, range 0 to 25 mm.

  • Force and bending moment: Custom built shear beam type strain gauge force transducers, range upto 5000 N

  • Bed profiles: PC based relocatable bed profiler for depths upto 0.5 m, accuracy 1 mm

EQUIPMENT FOR FIELD MEASUREMENTS :

  • Ocean wave and current recording systems

  • Tide gauges

  • Sediment samplers

  • Salinity / temperature / depth measuring systems

  • Hydrographic survey system with GPS position fixing system and echosounder for marine/ riverine surveys

  • Water level recorder

  • Reservoir wave height recording system

  • Ship motion and mooring force measurement and analysis system

  • Discharge measurement in closed conduits

  • Test and calibration system for dam instrumentation