HYDRAULIC MACHINERY

Hydraulic Machinery Laboratory undertakes calibration of closed conduit flow meters, tests on pumps and hydro-turbines, verification of hydraulic performance of pump intakes, hydraulic designs of pumping systems.

AREAS OF SPECIALIZATION

Laboratory Studies

  • Gravimetric and volumetric calibration of flowmeters

  •  Performance evaluation and tests for voltage fluctuation on borewell pumps

  •  Assessment of head loss across filters

  •  Evaluation of performance of valves

  •  Pumping system design : optimisation and water hammer analysis

  •  Pump sump model studies for flow condition improvement

Field Studies

  • Verification of hydraulic performance for hydropower projects as per IEC 41 stipulations

  •  Hydraulic performance of pumps and turbines

  •  Flow measurement and water auditing

FACILITIES

Gravimetric Flow Measurement

  • Circuit Design : Conforms to ISO 4185

  • Maximum line size : 1000 mm NB

  • Maximum flow rate : 2000 lps

  • Uncertainty : +/- 0.2 %

  • Gravimetric system : 100 tonnes

  • Traceability : National Standards

     

Volumetric Flow Measurement

  • Maximum line size : 200 mm NB

  • Maximum flow rate : 100 lps

  • Uncertainty : +/- 0.3 %

  • Traceability : National Standards

  • Precalibrated tank : 3500 litres

Borewell Pump Tests

  • Maximum line size : 200 mm NB

  • Standard : IS 9137, 11346 and 325

  • Maximum flow rate : 100 lps

  • Maximum head : 50 mwc

  • Maximum input Power : 70 kW

  • Test voltage range : 320-500 V

  • Test uncertainty : + 0.5 %

EQUIPMENTS

  • Ultrasonic and Turbine type Master Flow Meters

  • 100 Tonne Electronic Weigh Bridge

  • High Resoluation Timer

  • 50 Bar Pressure Transducers

  • Pre-calibrated Master Weights

  • 80 Bar Dead Weight Tester

   

SOME MAJOR STUDIES

  • Flow meter Calibration: MSEB, TCE, Manufacturers and Users

  • Head loss across Filters: Otoklin, Gujarat Otofilt, Flash Point

  • Submersible Pump Tests: Uttar Pradesh Irrigation Department, Rajasthan Public Health Engineering Department

  • Pumping System Design: Damodar Valley Corporation, Sinna Madha, Ambora

  • Pump Intake Model Studies: Bhopal City Water Supply, IGCAR, Unchahar, Ramgundam, Nathpa Jhakri, Takari, Mhaisal, Parli, Korba, Kota

  • Field Studies on Water Turbines : Koyna Stage I,II and IV, Bhira, Loktak, Salal