GENERAL DESCRIPTION
The turbine is a small two-shaft gas
turbine engine with a radial flow compressor and axial flow turbines as
in modern air plane.
The first shaft is a gas generator. Inlet air through an orifice flow
measuring device is compressed by a single stage radial flow
compressor. The turbine is motor started and runs on Jet A fuel. Fuel is
injected by a fuel pump and ignited in the combustion chamber providing
hot gas for a single stage axial flow turbine which inturn drives the
compressor. The hot gas is discharged axially to a larger power turbine
on the second shaft and exhausts to atmosphere The gas generator unit
runs on ceramic bearings. A fan is provided for cooling the engine.
Speed of the power turbine is reduced by the gear box. An eddy
current absorber is connected to the gear box for power measurement.
Load is manually controlled.
An Electronic Control Unit (ECU) controls the basic turbine
operation. Additional instruments are provided for monitoring and
controlling turbine performance.
A touch screen computer with an interface unit, and software are
provided for speed and load control, data display and analysis, and to
assist the ECU.
Safety features include clear acrylic cover, gas generator or power
turbine over speed and power turbine entry over temperature shutdown.
The unit is floor standing with removeable supports.
TYPICAL EXPERIMENTS
- Understanding the thermodynamic process.
- Torque vs speed.
- Power input and output and engine efficiency.
TECHNICAL DATA
| Gas generator turbine construction. |
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| - Diffuser |
: High strength aluminum. |
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| - Combustion chamber |
: Stainless steel. |
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| - Bearings |
: Ceramic ball bearing. |
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| - Turbine wheel |
: Vacuum cast inconel. |
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| - Compressor |
: High grade aluminum alloy. |
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| . Gas generator |
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| - Starting and running fuel |
: Jet A-1 or kerosene with jet oil. |
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| . Power turbine |
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| - Turbine wheel |
: Vacuum cast Inconel |
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| - Interstage guide vane |
: Stainless steel. |
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| . Dynamometer. |
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| - Type |
: Air cooled eddy current absorber. |
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| - Maximum power |
: Upto 10 kW. |
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| . 'Gear box. |
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| - Type |
: Planetary. |
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| - Lubrication |
: Jet A. |
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| . Gear box and dynamometer connection. |
: Synchronous belt. |
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| . Output power |
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| - Mechanical |
: Approx. 700 W. |
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| - Electrical |
: Approx. 400 W. (using optional generator) |
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| . Sensors |
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| - Temperatures |
: Inlet air, diffuser exit, gas generator turbine entry and power turbine entry and exit. |
| - Pressures |
: Diffuser exit, power turbine entry and exit. |
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| - Speeds |
: Gas generator, gear box output shaft and dynamometer. |
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| - Dynamometer torque. |
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| - Fuel flow rate. |
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| - Air flow rate |
: Differential pressure at inlet orifice. |
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| . Accessories |
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| - Engine cooling fan |
: 1 ea. |
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| - Engine exhaust ducts |
: 2 ea. |
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| - Ear muffs |
: 2 ea. |
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| - Jet oil |
: 1 l. |
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| - Barometer |
: 2 ea. |
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| . Power supply |
: 220 V 1 Ph 50 Hz. Other power supply is available on request. |
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ISO 9001:2015