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A phase-change material (PCM) is a substance which releases/absorbs sufficient energy at phase transition to provide useful heat or cooling. Generally the transition will be from one of the first two fundamental states of matter - solid and liquid - to the other.
Outlast Technologies, commonly referred to as Outlast, develops and sells phase change materials (PCMs) in the United States and internationally. Outlast offers Thermocules, a microencapsulated phase change materials, which are incorporated into fabrics and fibers for absorbing, storing, and releasing excess heat. The company’s products ...
Recent research on PCM has been directed towards attempting to find viable material alternatives to the phase-change material Ge 2 Sb 2 Te 5 (GST), with mixed success. Other research has focused on the development of a Ge Te–Sb 2 Te 3 superlattice to achieve non-thermal phase changes by changing the co-ordination state of the germanium atoms ...
GeSbTe (germanium-antimony-tellurium or GST) is a phase-change material from the group of chalcogenide glasses used in rewritable optical discs and phase-change memory applications. Its recrystallization time is 20 nanoseconds, allowing bitrates of up to 35 Mbit /s to be written and direct overwrite capability up to 10 6 cycles.
This little tube is filled with phase change material (PCM) which stays cold for long periods. It's meant to be frozen and fits comfortably around your neck to give you fast relief from the heat.
Computational Fluid Dynamics (CFD) modeling and simulation for phase change materials (PCMs) is a technique used to analyze the performance and behavior of PCMs. The CFD models have been successful in studying and analyzing the air quality, natural ventilation and stratified ventilation, air flow initiated by buoyancy forces and temperature space for the systems integrated with PCMs.
An encapsulated thermal battery is physically similar to a phase change thermal battery in that it is a confined amount of physical material which is thermally heated or cooled to store or extract energy. However, in a non-phase change encapsulated thermal battery, the temperature of the substance is changed without inducing a phase change.
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