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PHATE Research Group

Shamberger Lab

Texas A&M University College of Engineering

Energy Conversion

Magnetic domains in NiCoMnSnFerrocaloric materials (magnetocaloric, barocaloric, elastocaloric, electrocaloric) transform a changes in an external field to a change in the temperature or entropy of a system. This can be used to design high-efficiency refrigeration cycles or heat pumps. Despite this promise, transformation kinetics, thermodynamic irreversibilities, and other real aspects of the first order phase transformation detract from the ability of thermodynamic cycles to perform useful work. We have:

  • Identified methods to modify the hysteresis in caloric effect materials
  • Explained size-dependencies in thin films and small particles
  • Developed an approach to analyze arbitrary thermodynamic cycles for different classes of materials on an equivalent basis

Applications: Buildings, Aerospace/Automotive, Gas Liquifaction, Appliance, Cryogenic Cooling


Projects:

  • Nucleation in Reversible Phase Transformations
  • Dynamically Tunable Thermal Energy Storage

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  • Dynamically Tunable Thermal Energy Storage
  • Transient Thermal Management for Electric Machines

Research

  • Energy Storage
  • Intelligent Electronics
  • Energy Conversion

Projects

  • Dynamically Tunable Thermal Energy Storage
  • Thermal Energy Storage for Building Efficiency
  • Transient Thermal Management for Electric Machines
  • Neuromorphic Materials Systems
  • Nucleation in Reversible Phase Transformations
  • Design of Composite Phase Change Materials

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