Experience and experts' examination
PUMPS
- Stress, dynamic and life-time calculations of centrifugal and jet pumps.
ELECTRICAL ENGINEERING
- The operating speed of a rotor of a small turbogenerator was mistakenly stepped up 50% (i.e. the corresponding centrifugal forces grew 125%). Results of our elastic-plastic calculations divided the parts of the rotor into reusable ones and new ones to be replaced.
- Calculations of stiffness and of eigenvibrations of the rotor of the turbogenerator
POWER ENGINEERING
- Stress and life-time calculations of condensers, of condenser adapters, of bypass output into the condenser, of low- and of high-pressure heat exchangers
- Stress and stability calculations, weight optimization of the boxes of the electrostatic dust-collecting equipment
- Stress analyses of parts of water power plants and pumped-storage projects (turbogenerators, bearings, spherical valves, surge tanks)
- Stress and stability calculations of the absorber of the resulphuring unit
- Stress analysis of the regenerative air-heater
- Search for leakage in boxes of dust-collecting equipment
- Search for leakage of the steam oil-heater
- Search for leakage in smoke-gas ducts
- Expert opinion of reconstruction of the pumped-storage project in Dlouhe Strane (Czech Republic)
- Static and dynamic analyses of the wind power plant 630 kW Mravenecnik (Czech Republic)
- Expert opinion of the stiffening of the smoke-gas ducts
CHEMICAL INDUSTRY
- Assessment of the conditions and determining of the residual safe-life of propane pressure vessels
- Stress and stiffness analyses of compensators
NUCLEAR POWER ENGINEERING
- Stress analyses and safe-life prediction for over 70 apparatus of the nuclear power plant Temelin (Czech Republic - pumps, heat exchangers, coolers, filters, pressure vessels) including seismic loading
- Seismic revaluation for numerous similar apparatus of the nuclear power plant Mochovce (Slovakia)
- Static and dynamic calculations of the primary piping system of the experimental nuclear reactor in the Institute of the Nuclear Research in Rez (Czech Republic)
- Determining input data of pressure vessels for subsequent stress analyses (loads: operation conditions, seismicity)
- Analyses of tests on the pipe-line of the auxiliary cooling system
- Stress analysis of the input socket of the steam generator of the nuclear power plant Dukovany (Czech Republic); load: internal pressure, repeated changes of the water temperature
STEAM BOILERS
- Stress analyses of the high-pressure parts of the water-tube boilers (water tubes, boiler drums etc.) and of fire-tube boilers
- Project of reconstruction of parts of steam boilers in power plants
- Deformations and thermal dilatation of steam boilers and their supporting constructions
- Thermal stress analyses of parts of steam boilers with improved tightness
- Supervision of the assembly of the steam boiler of the 200 MW power plant
- Reconstruction of parts of the steam boilers aiming to improve their tightness
- On-the-spot inspection checks of steam boilers and relevant reconstruction projects
- Stress analyses of steam headers and of the boiler heating surface
COMBUSTION ENGINES
- Comparison of two types of the cylinder-head sealing
PIPING SYSTEMS AND VALVES
- Stress analysis of the pipe coupling SCHWING DN 125
- Stress analyses of parts of valves
- Stress and stiffness analyses of segment knee-joints and of tee junctions
- Stress analyses and life-time assessments of high-pressure regulating steam valves
- Stress analysis of spherical valves
- Stress analyses of middle- and high-pressure steam pipes
CIVIL ENGINEERING STRUCTURES
- Elastic stability analyses of the steel liner/lining of the chimney in the power plant in Opatovice (Czech Republic)
- Project of the reconstruction of the smoke-gas duct with its supporting construction
- Stress analysis of the supporting construction of the oil filter
- Reconstruction, stress and stability analyses of the conveyer frame
- Stress analyses of screen wall parts
MACHINE PARTS
- Computer program specifying in the complex thermal and elastic check of bolt flange connections
EARTHMOVING AND MINING EQUIPMENT, ELEVATORS
- Stress and fatigue analyses of parts of mining elevators (brakes, drums, shafts etc.)
STEAM TURBINES
- Tightness of the sealing body in the casing
- Calculations of deformations of several types of inner stator casing
- Stress and deformation analyses of stator casings with different types of flanges
- Optimization of the rotor shape at its tightening fins
- Elastic-plastic analysis of the sealing ring
- Elaboration of the computer program for deformation- and stress- analyses of nozzle plates
- Elaboration of the computer program for axial displacements of rotors and casings of multicasing steam turbines
- Stress analyses of bladed steam turbine discs
- Stress analysis of the steam turbine casing
- Analysis of the breakdown of the rotor of the small steam turbine in La Puebla (Spain)
AIR-CONDITIONING
- Stress analyses and safe-life prediction of hermetic valves under operational and seismic load