Functioning of Heat Accumulating Composites of Carbon Recyclate and Phase Change Material

Abstract

The article presents the results of experimental research together with the development of a response function presenting the thermal functioning of a new composite of a phase change material with carbon recyclate. The empirical research proved the improvement of the thermal functioning of the phase change material as a result of modifying its structure with carbon-based recycling material. The conducted experimental tests and statistical analysis proved that the obtained innovative composite is characterized by a more effective distribution of stored heat than the pure phase change material, which resulted in reduction of the heating and cooling time of the package by 10 min. The obtained innovative composite can improve the thermal efficiency of short-term heat storage systems, both in building components and in elements of heating and cooling systems, and translates into their increase in thermal efficiency.

Modern Thermal Energy Storage Systems Dedicated to Autonomous Buildings

“…On the other hand, the intensification of PCM heat conduction is usually used in passive solutions (which do not require an additional power supply) and dedicated modifications for opaque building partitions, as well as for small, compact thermal energy batteries. [52,59,[116][117][118][119][120]. An example of an active system for a mobile indoor blind with a PCM is shown in Figure 9.…”

“…Another group of studies showing improvements in PCM heat conduction are those that used allotropic forms of carbon, such as graphene, fullerenes, or recycled waste materials from metalworking or refining processes [116].…”

“…The use of phase change materials to improve the effectiveness of heat distribution in ventilation installation systems or in convective heat exchangers is the subject of numerous scientific papers [73][74][75]116]. One of the more frequently referenced technical issues in scientific studies on PCM applications in these systems concerns the type, geometry, and shape of the conductor exchanger (usually made of copper of an aluminium alloy).…”

Multi-Faceted Analysis of Phase-Change Composite Intended for Autonomous Buildings

“…In this case, it was necessary to use a full, symplectic–centroid plan, which imposes limits on the values of the input parameters [ 56 , 57 , 58 ]. Plans of this type are used in numerous scientific papers, like [ 59 , 60 , 61 ], to determine the effect of each factor on the value of the response function.…”