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15.6 TURBINE SECTION      http://part66.blogspot.com/
PURPOSE• To drive the compressor• Absorb a high proportion of energy of gas  stream and converting into torque.
TYPE OF TURBINE1.Impulsive type            2.Reaction type                                              4. Radial Inflow t...
TURBINE ATTACHMENT                           Low Pressure AttachmentHigh Pressure Attachment
BLADE TO DISK ATTACHMENT
COOLING TURBINE BLADE
NOZZLE GUIDE VANE• Direct airflow to turbine blade• Convert pressure energy into kinetic energy• Air flow become spin and ...
BLADE STRESS AND CREEP• Creep is due to blade grow in length due to  high temperature and centrifugal force(stress)• Stret...
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EASA Part 66 Module 15.6 : Turbine

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EASA Part 66 Module 15.6 : Turbine

  1. 1. 15.6 TURBINE SECTION http://part66.blogspot.com/
  2. 2. PURPOSE• To drive the compressor• Absorb a high proportion of energy of gas stream and converting into torque.
  3. 3. TYPE OF TURBINE1.Impulsive type 2.Reaction type 4. Radial Inflow type 3.Impulsive/reaction
  4. 4. TURBINE ATTACHMENT Low Pressure AttachmentHigh Pressure Attachment
  5. 5. BLADE TO DISK ATTACHMENT
  6. 6. COOLING TURBINE BLADE
  7. 7. NOZZLE GUIDE VANE• Direct airflow to turbine blade• Convert pressure energy into kinetic energy• Air flow become spin and swirl
  8. 8. BLADE STRESS AND CREEP• Creep is due to blade grow in length due to high temperature and centrifugal force(stress)• Stretch of blade occur in 3 stage : – 1st stage: rapid extention and decrease – 2nd stage : Constant rate of expansion – 3rd stage : Rapid extention and failure occur• Improve grain structure and properties can improve service life

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