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Multi Cylinder Four Stroke Diesel Engine Test Rig


Ic Engines Are Widely Used In Automobile, Domestic And Industrial Sector.  They Are Classified According To Cycle, Number Of Cylinders, Arrangement Of Cylinders, Fuel Used, Type Of Ignition, Valve Arrangement, Cooling System. Test Rigs Are Used To Find Out The Performance Of An Ic Engine.  It Consists Of An Ic Engine, Dynamometer, Fuel Measuring, Air Intake Measuring And Various Other Arrangements.


  • To Determine Specific Fuel Consumption.
  • To Determine Brake Horse Power.
  • To Determine Mechanical Efficiency.
  • To Determine Brake Thermal Efficiency.
  • To Determine Volumetric Efficiency Measurement.
  • To Determine Indicated Thermal Efficiency.

Utilities Required:-

  • Electric Supply  : Single Phase, 220 V, 5 Amps.
  • Continuous  water Supply : 10 Lpm Approx.
  • Fuel : 10 Liters.
  • Floor Area : 3m X 2m
  • Tachometer : For Rpm Measurement

Technical Specification: -

Type Of Engine

Four Cylinder, Four Stroke Engine, Vertical Water Cooled, Self Start, Diesel Engine.          

Type Of Loading

A - Rope Brake Dynamometer

Rope Brake Arrangement Fitted With The Brake Drum Fitted On The Engine Shaft And Provided With Cooling Water Arrangement Dial Type Spring Balances In Kg Units.

B – Electric Brake Dynamometer

The Engine Is Coupled With Electrical Alternator With Resistance Loading Arrangement. Digital Voltmeter And Digital Ammeter Is Provided.

C – Hydraulic Brake Dynamometer

It Consists Of Weighing Gear, Control Gear, A Dead Weight In Kg Unit Suitable For Testing The Engine At Different Speeds. The Engine And Dynamometer Are Directly Coupled On A Substantial Base Plate

Fuel Measuring System

  •  fuel Measuring System Consists Of A Fuel Tank, A Burette And A Three Way Cock Arrangement.
  • Air Intake Measuring System
  • Air Tank Fitted With Orifice And Water Manometer.

Measurement Of Heat Carried

It Consists Of Inlet Outlet Piping With Flow Control Valve, Water Away By Cooling Water Meter. Thermometers Are Provided To Measure The Inlet Outlet Temperature Of Water.
The Whole Setup Is Well Designed And Supported By A Good Quality Painted Rigid M.S. Structure.

Exhaust Gas Calorimeter:

Exhaust Gas Calorimeter - Made Of Stainless Steel Including The Body & The Tubes For Cooling Water Circulation And Designed To Get Maximum Temperature Difference. The Body Of The Calorimeter Is Insulated On All Sides To Prevent Heat Losses Due To Radiation. Thermometers Are Provided To Measure The Temperature Of Water And Gas.