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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.

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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]

  • Research roundup: PCMs for building applications; concretes and mortars; nanoparticle dispersion; more

    Ben Welter - Tuesday, March 03, 2015

  • Phase change materials for building applications: A state-of-the-art review and future research opportunities [Energy and Buildings]

  • Mechanical and thermo-physical behaviour of concretes and mortars containing phase change material [Energy and Buildings]

  • A review on thermophysical properties of nanoparticle-dispersed phase change materials [Energy Conversion and Management]

  • Study on solidification of phase change material in fractal porous metal foam [Fractals]

  • Improving the efficiency of photovoltaic cells using PCM-infused graphite and aluminum fins [Solar Energy]

  • Performance of indirect through pass natural convective solar crop dryer with phase change thermal energy storage [Renewable Energy]

  • Thermal energy storage properties of the capric acid–stearic acid binary system and 48# paraffin–liquid paraffin binary system [International Journal of Sustainable Energy]

  • 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.   

    www.innostorage.eu/joint.php

    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

  • http://horizon2020projects.com/sc-energy/multinational-energy-phd-scheme-funded/

    Research roundup: Conventional chiller system; TES at 575° C and above; vermiculite-perlite composites; more

    Ben Welter - Monday, February 23, 2015

  • A comparison of the field performance of thermal energy storage (TES) and conventional chiller systems [Energy]

  • Experimental and numerical investigation of combined sensible–latent heat for thermal energy storage at 575° C and above [Solar Energy]

  • Experimental investigation of the specific heat of a nitrate–alumina nanofluid for solar thermal energy storage systems [International Journal of Thermal Sciences]

  • Preparation of energy efficient paraffinic PCMs/expanded vermiculite and perlite composites for energy saving in buildings [Solar Energy Materials and Solar Cells]

  • Electrospun fibers based on polyvinyl pyrrolidone/Eu-polyethylene glycol as phase change luminescence materials [Materials Letters]

  • The Potential of Phase Change Materials to Reduce Domestic Cooling Energy Loads for Current and Future UK Climates [Energy and Buildings]

  • Parametric Investigations of Using a PCM Curtain for Energy Efficient Buildings [Energy and Buildings]

  • Effect of Silver Nanoparticles on the Thermal Properties of Sodium Acetate Trihydrate [International Journal of Thermophysics]

  • 3 Illinois Tech undergrads to work on hybrid thermal battery system

    Ben Welter - Friday, February 20, 2015

    Nineteen undergrads at the Illinois Institute of Technology have been accepted into the school's Armour R&D Program this spring. The program offers engineering students a chance to gain research and development experience.

    Three of the students – Hanyue Li, Yifan Li and Shihan Tian – will work on a hybrid battery thermal management system using phase change materials and natural air-cooling. They will be mentored by Francisco Ruiz, an associate professor in the school's Armour College of Engineering.

    http://www.iit.edu/news/iittoday/?p=41054

    Research roundup: Titanium-induced structure modification; latent heat storage walls; PCM in coil heat exchanger

    Ben Welter - Wednesday, February 18, 2015

  • Titanium-induced Structure Modification for Thermal Stability Enhancement of GeTeTi Phase Change Material [RSC Advances]

  • Thermal Performance of Latent Heat Storage Walls In Residential Buildings [BEST Conference Building Enclosure Science & Technology]

  • Thermal Performance of Microencapsulated Phase Change Material Slurry in a Coil Heat Exchanger [Journal of Heat Transfer]