1. Propulsion Laboratory Department of Aerospace Engineering Indian Institute of Technology Kharagpur

2. 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

3. 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

4. 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

5. 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

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

7. 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

8. 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)

9. 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

10. 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 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

11. 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

12. 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

13. Thank You