Main activities of the laboratory:
Axial Compressors:
- development of flow parts for multi-stage compressors with subsonic and supersonic stages with subsequent aerodynamic and vibration trial on test beds of NPO CKTI;
- rehabilitation of existing compressors to increase capacity, pressure and efficiency using methods of blading optimization;
- development and research of transonic and supersonic stages on test beds of NPO CKTI;
- research of compressor with injection of water into flow part for compression process intensification;
- research of issues concerning contamination and development of optimum methods for cleaning of flow part in axial compressors;
- inspection of compressors, extension of their service life and delivery of spare parts (rotor blades, guide vanes, etc.) of compressor equipment;
- organization and performance of industrial tests for full-scale compressors by the Customer in the operating places;
- designing, manufacturing and delivery of vessels, filters and other devices subordinate to Rostekhnadzor and Rosatomnadzor.
Designing and test of many types of centrifugal compressor equipment for core industries:
- natural gas blower with various power;
- air compressors and blowers for ferrous industry, cryogenic engineering and general purpose;
- compressors and blowers for chemical, petrochemical and petroleum industry;
- development of flow parts of centrifugal compressors and blowers based on up-to-date designing methods with subsequent updating of aerodynamic designs on test beds of NPO CKTI;
- calculation and theoretical researches of flow parts for centrifugal compressor machines;
- experimental researches and development for models of centrifugal and blower stages;
- modernization of existing compressors in order to improve their parameters, reliability, reduction of power consumptions during operation;
- researches of influence from abrasive and and corrosive wear of elements for flow part for aerodynamic and energy characteristics of centrifugal compressors and blowers and development of efficient protection methods;
- natural gas blower with various power;
- air compressors and blowers for ferrous industry, cryogenic engineering and general purpose;
- inspection of compressors and blowers, flaw detection of their main assemblies, development of recommendations on replacement of their element and delivery of spare parts (impellers, vaned diffusers, seals, bearings) in order to extend service life;
- perform industrial tests for full-scale compressors by the Customer with issue of recommendations on their further operation;
- diagnostics of compressors and blowers in order to determine remaining service life of their key elements, participate in investigation of reasons for compressor and blower failures and development of methods and conditions for their elimination;
- selection of centrifugal compressor equipment for the specified parameters and the technical requirements;
- performance of certification tests for compressors and blowers with issue of conclusions about correspondence with the regulatory document; development and delivery of air cooling systems at inlet of gas turbine plant;
- development of authoring system for early warning about approaching of unsteady-state mode of compressors.
For air handling devices:
- designing of air cleaning facilities and their production on the basis of its own enterprise;
- performance of investigation tests for model of air inlet path in general or its separate elements, calculation and confirmation of acoustic, thermal and strength characteristics during new construction and rehabilitation of the plants; optimal selection of cycle air filtration method for the certain project; scientific and technical support for equipment in the place of assembly, erection supervision, warranty.
For development and research of models for axial compressors three large-scale test-beds are created, which allow testing both separate single stages and compartments from several stages, as well as multi-stage compressors with a great number of stages for high degrees of pressure increase.
Researches are performed in complex: gasodynamic characteristics of blading and vibration condition of rotor blades are researched.
Test bed for axial compressors of gas turbine plant (21206)
The test bed is intended for aerodynamic and vibration tests of large-scale models for axial compressors of gas turbine plant.
- Drive: steam turbine with power of 16 MW.
- Steam flow rate – 80 t/h.
- Steam pressure – 40 kgf/cm².
- Maximum speed of rotor for model compressor is up to 14,000 rpm.
Change in operating CC modes from modes of maximum flow rate to the limit of steady operation shall be provided with change of rotor speed from 2,000 to 14,000 rpm and control of loading orifice installed at outlet of compressor.
Works Completed
On test bed No. 21206 the following is tested:
- CC model ГТЭ-150 made by LMZ JSC in scale 1:4.14 (Gm = 36.7 kg/s, π*c = 13, n = 12,420 rpm)
- model for first six CC stages ГТЭ-65 in scale 1:2.2332 (Gm = 36.27 kg/s, π*1-6 = 3.74, n=12,151 rpm).
Test beds are intended for model researches of centrifugal compressors and natural gas blowers. The drive is dc motors. One test bed has drive with power of 700 kW and model rotor speed up to 20,000 rpm, the second test bed has drive with power of 300 kW and model rotor speed up to 17,000 rpm, The test beds are equipped with drive automatic control system with maintaining of the specified speed, as well as loading orifice with remote control. Models of almost all natural gas blowers of turbine building factories of the country have passed researched on these test beds.
The test bed is intended for development and researches of compressor models or compartments at degree of pressure increase up to π*c = 5 ÷ 6.
The drive of compressor model is steam turbine with power up to 2.5 MW with maximum rotor speed up to 20,000 rpm.
The test bed is equipped with automatic control system of driven turbine and maintaining of the specified speed for compressor model, as well as surge protection and loading orifice with remote control.
Works Completed
On test bed No. 21201 the following was researched: models of compressors LPC GT-100, GTK-10, GTK-16 and GTK-25, models of compressors for ferrous industry with turning of guide vanes during tests:
- model of the first 2 stages LPC-II (first stage is transonic);
- model from first three stages of compressor GTN-25 TMZ (first two stages are transonic).