Shape Memory Alloy (SMA) Wire as Sensor for Taylor Bubble

Patent Status: 

Patent Filed

Indian Patent Applicaton No: 


Patent Category: 


Shape Memory Alloy (SMA) based sensor for the determination of certain two-phase flow characteristics

Prototype of a Taylor bubble flow pattern

Key Features: 

  • The use of the physical characteristics of the SMA wire for the purpose of detecting two phase flows parameters
  • The considerable change in resistance of SMA wire because of the phase transformation happening in it in between the transition temperature range.
  • Capture the changing heat transfer coefficients in a Taylor bubble flow pattern of a two-phase flow
  • Resistance feedback of SMA wire can lead to determination of two-phase flow parameters namely velocity and length of gas phase


  • Companies who are designing and marketing flow sensors, such as Honeywell, Emerson, GE etc.

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