Engineers from Vladimir Dal Lugansk State University have developed a scheme for a two-spool turbojet engine in which the compressor and turbine are combined into a single rotor. This solution aims to simplify the design and reduce the weight of the power plant.
In classic turbojet engines, the compressor and turbine are made as separate units. In the new scheme, their working elements are placed on one drum: compressor blades on the outer surface, turbine blades on the inner surface.
This allows for a reduction in the number of parts and simplifies the engine's power scheme without losing the basic operating principle.
The engine retains a two-spool architecture. The outer spool generates additional thrust due to airflow, while the inner spool generates thrust due to gases formed in the combustion chamber. Both flows then exit through a common nozzle.
According to the developers, this layout reduces the complexity of the traditional scheme, which uses a large number of separate stages and shafts that affect the engine's weight and cost.
The description of the development notes that the effect is achieved by combining compressor and turbine elements in a single rotor, which simplifies the design and potentially increases reliability.
