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Waste heat storage systems using phase change materials
Abdelkader, Mohamed ; Řehořek, Lukáš (oponent) ; Čupera, Jan (vedoucí práce)
This bachelor thesis deals with waste heat storage systems using phase change materials as an efficient way to store thermal energy (e.g., industrial waste heat) and have the advantages of high storage density and isothermal nature. I.e., such systems have the ability to absorb a large amount of thermal energy, without increasing the temperature of the system itself. In practice, such a system can be achieved by creating a binary system of metals with complete insolubility in the solid state, in which the matrix (a metal with a higher melting point) ensures sufficient thermal conductivity and a filler metal with a low melting point and a high enthalpy ensures the accumulation of thermal energy. For example, it could be a binary system Al–Sn or Fe–Cu. Such systems could then be used for the accumulation and subsequent gradual release of thermal energy from components with complex shapes, on which this binary system could be applied using the cold spray method.

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