Propulsion Laboratory Department of Aerospace Engineering Indian Institute of Technology Kharagpur

Flame Propagation and Stability Unit Existing Facilities Flame Propagation and Stability Unit Flame Lift Off, Flame Light Back Provides data for the construction of flame stability diagrams Enables students to investigate methods of improving flame stability limits Allows investigation of the relationship between flame speed and air – fuel ratio for a variety of slow burning gaseous fuels. PA Hilton Apparatus: C552

Nozzle Pressure Distribution Unit Contd.. Existing Facilities Nozzle Pressure Distribution Unit Visual examination of nozzle choking Investigation of the relationship between inlet pressure and mass flow rate outlet pressure and mass flow rate

Nozzle Performance Test Unit Contd.. Existing Facilities Nozzle Performance Test Unit Determination of the effect of inlet and back pressure on mass flow rate through nozzles Measurement of the velocity of a jet issuing from a nozzle operating at a variety of inlet and back pressures Calculation of nozzle efficiencies

New Facilities Bomb Calorimeter Contd.. Exact composition of practical fuels is often not known Determination of heating value (HV) is important Familiarize the students how to use Bomb calorimeter to determine HV Measure the HV of a solid fuel (such as wax) and compare the value available in literature Courtesy: IKA

Schematic and Photograph of the single droplet combustion setup New Facilities Contd.. Droplet Combustion Schematic and Photograph of the single droplet combustion setup

Educational Gas Turbine Jet Engine New Facilities Educational Gas Turbine Jet Engine A complete laboratory-based Turbojet engine demonstration unit Provision for measurement of pressure and temperature at several locations of the engine as well as engine speed and thrust

Ramjet Engine Test Stand Contd.. Existing Facilities Ramjet Engine Test Stand Demonstration and investigation of the ramjet principle. Total and static pressure plots along the ramjet engine axis Comparison of Propane with other gaseous fuels, e.g. Acetylene, Butane, Methane (To be augmented) Complete performance analysis at various approach speeds. Calculation of exhaust velocities, measurement of temperatures, thrust, specific thrust, drag and fuel consumption (To be upgraded)

Experimental Impulse Turbine Unit Contd.. Existing Facilities Experimental Impulse Turbine Unit Visual examination of a small impulse turbine Production of torque/speed and power/speed curves from the experiments Comparison of turbine performance including specific air consumption when using throttle control or nozzle(4) control Determination of the isentropic efficiency of a turbine and plotting the end states on a T-s diagram

Experimental Reaction Turbine Unit Contd.. Existing Facilities Experimental Reaction Turbine Unit Visual examination of a small reaction turbine Torque speed / power speed curves from a no load speed exceeding 35000 rpm to stall for wide range of inlet pressures Evaluation of specific air consumption at a range of speeds and pressures Determination of isentropic efficiency

Existing Facilities Axial Flow Fan Unit Contd.. Existing Facilities Axial Flow Fan Unit Measurement of Fan static overall pressure rise and Rotor static pressure rise Work ratio can be found out Mechanical power can be derived Electrical power can be calculated from the voltmeter & ammeter reading Fan overall efficiency can be determined

Existing Facilities Centrifugal Fan Unit Contd.. Existing Facilities Centrifugal Fan Unit Provision of fitting forward guide vanes, radial guide vanes and backward guide vanes A standard nozzle is fitted to the fan inlet and diffuser as well The flow rate and pressure rise across the fan blade can be measured Overall performance characteristics

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