FLOW BOILING HEAT TRANSFER

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Presentation transcript:

FLOW BOILING HEAT TRANSFER P M V Subbarao Professor Mechanical Engineering Department Best means to Generate High Pressure steam…… A science which made Einstein Very Happy!!!

Classification of Boiling Microscopic classification or Boiling Science basis: Nucleated Boiling Bulk Boiling Film Boiling Macroscopic Classification or Boiling Technology basis: Flow Boiling Pool Boiling

Microscopic classification Nucleate Boiling Bulk Boiling Film Boiling

Boiling Regimes for Water

Furnace Energy Balance Enthalpy to be lost by hot gases: Water walls Economizer Furnace

The Flow Boiling Technologies….

Boiling process in Tubular Geometries Heat Input Water Steam Partial Steam Generation Complete or Once-through Generation Water

Religious to Secular Attitude

Flow Boiling

Boiling Map