Gas Turbine Power Generation

gas turbine power plant_small.jpgSimuTech has extensive capabilities and experience in the gas turbine with FEA and CFD software from ANSYS for structural, thermal and fluid dynamics as well as fatigue analysis with fe-safe.

In addition to simulation software and services, SimuTech is a leader in blade frequency testing, moment weighing, strain gage & telemetry to the gas turbine industry.

 


 

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Design Element Challenges Simulation Benefits

Inlet Systems

  • Fogging and cooling
    • Delivering a uniform temperature to the compressor
    • Ensure complete evaporation of spray
  • Avoiding compressor fatigue caused by non-uniform air flow distribution
  • Icing of air filters
  • Design with virtual prototypes
    • Calculating motion, evaporation, mixing and thermal impact of spray
    • Simulate non-uniformities of inlet coolers or heaters

 Shaft and Gear Systems

  • Ensuring rotational stability
  • Avoiding interferences caused by rotation-induced strains
  • Predict critical speeds, whirl, stability, base excitation and transient responses
  • Seamless integration between analysis and optimization tools
    • Including Design for Six-Sigma

 Compressors

  • Off-design performance
    • Avoiding surge over a range of power settings
    • Flow separation
  • Flow-induced vibration
  • Understand rotational and flow-induced vibration modes before building physical prototypes
  • Simple extension of quasi-1 D tools to full 3D physics for design refinement
    • Turbo design environment
    • Investigation of separation and tip gap characteristics
    • Installation effects

 Combustors

  • Maximizing thermal energy generation while minimizing NOx and CO emissions
  • Designing liner and other components for proper thermal load
  • Thermal stresses during “staging” or at partial loads
  • Make early design changes necessary to keep creep and thermal stresses within limits under all operational conditions
  • Optimize combustion and reduce emission levels with virtual prototyping

Turbines

  • Cooling blades sufficiently without sacrificing performance
  • Flexibility in design for partial power loads
  • Flow separation
  • Rotation and flow-induced vibration
  • Gas flow in secondary flow passages
  • Design for non-ideal fluid and structural effects of separation, heat transfer, and blade cooling
  • Flexibility of connecting blade passage analysis with secondary flow passages and cooling effects in a user environment geared towards turbomachinery simulation
  • Design for rotational stability

Acoustic Enclosures

  • Designing ventilation systems to avoid combustible mixtures caused by gas leaks
     
  • Improve safety and reduce design costs
    • Test and improve ventilation designs under various leakage conditions before manufacturing

 


 

ANSYS Technical Information in the Gas Turbine Industry: