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Catalogue No. : ACFM-106

Francis Turbine is basically a reaction turbine, which was developed by and d

Product Description

Francis Turbine is basically a reaction turbine, which was developed by and derives its name from an English born American Engineer Sir J. B. Francis. The water enters the turbine through the outer periphery of the runner in the radial direction and leaves the runner in axial direction and hence it is called a mixed flow turbine. As the water flows to the runner, a part of pressure energy goes on changing into kinetic energy. Thus the water through the runner is under pressure. The runner is completely enclosed in a air tight casing and the casing & runner is always full of water.

The present set-up consists of a runner. The water is fed to the turbine by means of Centrifugal Pump, radially to the runner. The runner is directly mounted on one end of a central SS shaft and other end is connected to a brake arrangement. The circular window of the turbine casing is provided with a transparent acrylic sheet for observation of flow on to the runner. This runner assembly is supported by thick cast iron pedestal. Load is applied to the turbine with the help of brake arrangement so that the efficiency of the turbine can be calculated. A draught tube is fitted on the outlet of the turbine. The set-up is complete with guide mechanism. Pressure and Vacuum gauges are fitted at the inlet and outlet of the turbine to measure the total supply head on the turbine.

Scope of Study:

  • To study the operation of a Francis Turbine.
  • To determine the Output Power of Francis Turbine.
  • To determine the Turbine Efficiency.

TECHNICAL DETAILS:                      

Output Power   :               3 kW

Discharge            :               2000 LPM (Approx.)

Supply Head       :               20 m (Approx.)

Speed                   :               1500 RPM (Approx.)

Runner                 :               Having Curved Vanes.

Dynamometer  :               Rope Brake type, Dia 300 mm.

RPM measurement:       Digital RPM Indicator with Proximity sensor.

Sump Tank          :               Capacity 400 Ltrs.

Water Circulation             :               Centrifugal Pump, Kirloskar Make, Capacity 15 HP Three Phase.

Discharge Measurement              :               Venturi with Manometer.

Components mounted on the control panel are:

L&T make, fully automatic star/delta Starter, Mains Indicator, MCB for overload protection. Tank will be made of Stainless Steel.

*An ENGLISH instruction manual with elaborate experimental procedures and block diagram etc. shall be provided with the training system set-up.



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