Phase Change Matters RSS


The award-winning Phase Change Matters blog tracks the latest news and research on phase change materials and thermal energy storage. E-mail tips and comments to Ben Welter, communications director at Entropy Solutions. Follow the blog on Twitter at @PureTemp. Subscribe to the weekly PCM newsletter. Or join the discussion on LinkedIn.




Research roundup: Thermally homeostatic buildings; expanded graphite; firefighter fabrics; sol-gel process

Ben Welter - Friday, March 06, 2015

  • Energy storage and heat extraction – From thermally activated building systems (TABS) to thermally homeostatic buildings [Renewable and Sustainable Energy Reviews]

  • The effect of expanded graphite on the thermal stability, latent heat, and flammability properties of EVA/wax phase change blends [Polymer Engineering & Science]

  • Enhancing the Thermal Protective Performance of Firefighters' Protective Fabrics by Incorporating Phase Change Materials [Fibres & Textiles in Eastern Europe]

  • Preparation of Microencapsulated Phase Change Materials by the Sol-gel Process and Its Application on Textiles [Fibres & Textiles in Eastern Europe]
  • Research roundup: Solid-liquid PCMs in energy storage; integrating PCMs in TES systems; different-shaped containers; PCM characterization

    Ben Welter - Thursday, March 05, 2015

  • Developments in organic solid–liquid phase change materials and their applications in thermal energy storage [Energy Conversion and Management]

  • Integrating phase change materials (PCMs) in thermal energy storage systems for buildings [Advances in Thermal Energy Storage Systems]

  • Melting and convection of phase change materials in different shape containers: A review [Renewable and Sustainable Energy Reviews]

  • Unconventional experimental technologies available for phase change materials characterization, Part 1, Thermophysical properties [Renewable and Sustainable Energy Reviews]

  • CALMAC offers building owners, managers free analysis of energy bills

    Ben Welter - Wednesday, March 04, 2015

    CALMAC, maker of ice-based energy storage systems, is offering to analyze commercial energy bills for free. The new service allows owners and managers of commercial buildings to upload a copy of an electricity bill through CALMAC's website. A rate specialist will review the bill to identify potential savings that can be achieved by shifting a building’s cooling load to cheaper off-peak hours.

    New patent: Thermal energy storage device

    Ben Welter - Wednesday, March 04, 2015

    U.S. patent 8966902, "Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation": "A thermal energy storage device is provided. The device has a heat exchanger arrangement for guiding a flow of a heat transfer medium between a first end and a second end of the heat exchanger arrangement, and a heat storage material surrounding the heat exchanger arrangement."

    Dow, NEST team up on TES pilot project in Abu Dhabi

    Ben Welter - Tuesday, March 03, 2015

    Dow Chemical is collaborating with NEST AS of Norway on a thermal energy storage pilot project in Abu Dhabi. The project, to be undertaken at Masdar Institute of Science and Technology's concentrated solar power installation in Masdar City, will study the feasibility of a novel TES system developed by NEST. Dow will supply technical support and 2.6 metric tons of its Dowtherm A heat transfer fluid.

    Research roundup: Hydrated salts/silica; population balance modeling; HVAC retrofit; TES caverns; more

    Ben Welter - Monday, March 02, 2015

  • The dependence of phase change enthalpy on the pore structure and interfacial groups in hydrated salts/silica composites via sol-gel [Journal of Colloid and Interface Science]

  • Time-Temperature Charge Function of a High Dynamic Thermal Heat Storage with Phase Change Material [Energy and Power Engineering]

  • Performance of Suspended Finned Heat Pipes in High-temperature Latent Heat Thermal Energy Storage [Applied Thermal Engineering]

  • Numerical investigation of hydrodynamics and thermal performance of a specially configured heat pipe for high-temperature thermal energy storage systems [Applied Thermal Engineering]

  • Population balance modeling for the charging process of a PCM cold energy storage tank [International Journal of Heat and Mass Transfer]

  • Development and Optimization of an Innovative HVAC System with Integrated PVT and PCM Thermal Storage for a Net-Zero Energy Retrofitted House [Energy and Buildings]

  • Effect of separation distance on the mechanical stability and thermal performance of twin hot-water storage caverns [Solar Energy]

  • Corrosion properties of a ternary nitrate/nitrite molten salt in concentrated solar technology [Renewable Energy]

  • Innostorage training to focus on numerical modeling of thermal energy storage systems

    Ben Welter - Wednesday, February 25, 2015

    Innostorage, an international research project aimed at reducing carbon dioxide emissions through the use of low-cost thermal energy storage, is offering a training session on numerical modeling. Participants will gather June 15-17 at the University of Lyon, France, to discuss their own ideas and hear lectures by Dr. Gennady Ziskind of Ben-Gurion University of the Negev, Dr. Albert Castell of the University of Lleida, Spain, and other experts in thermal energy storage and phase change materials.

    Research roundup: Multiphase ultra-low-grade TES; CCHP case study; building energy system optimization; nanoencapsulation

    Ben Welter - Tuesday, February 24, 2015

  • Multiphase ultra-low-grade thermal energy storage for organic Rankine cycle [International Journal of Energy Research]

  • Hourly operation strategy of a CCHP system with GSHP and thermal energy storage (TES) under variable loads: A case study [Energy and Buildings]

  • A comparison of thermal energy storage models for building energy system optimization [Energy and Buildings]

  • Review on nanoencapsulated phase change materials: Preparation, characterization and heat transfer enhancement [Nano Energy]

  • Universities to develop joint Ph.D. program on thermal energy storage

    Ben Welter - Monday, February 23, 2015

    Ben-Gurion University of the Negev has received funding from the European Union's Horizon 2020 program to create a network of universities and research institutes to implement a joint Ph.D. program on thermal energy storage. Partners include Trinity College Dublin, Technical University of Eindhoven, University of Ghent, Warsaw University of Technology, Abengoa Research and KIC InnoEnergy. The program will focus on these technologies:

  • High-temperature thermal energy storage
  • Short-term storage technologies for load management
  • Seasonal storage technologies and storage