X-ray Diffraction Study of Metallized Polyethylene for Creating Heat Storage Systems
Source abstract
Abstract
The paper analyzes the prospects of using a heat-accumulating material consisting of metallized polyethylene granules. X-ray diffraction analysis has been used to study the influence of the number of heating and cooling cycles of the heat-accumulating material on the change in the degree of crystallinity of polyethylene. It was shown that the proposed heat-accumulating material showed a low resistance and a significant decrease in the degree of crystallinity of polyethylene under the experimental conditions. The crystal structure of polyethylene did not change during cyclic heating and cooling. Grounded on the obtained experimental results, it was determined that a high degree of polyethylene crystallinity is being kept for 200–300 heating-cooling cycles.
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Research context
OpenAlex topics: Phase Change Materials Research · Adsorption and Cooling Systems · Thermal properties of materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical Technology of Plastics Processing, Lviv Polytechnic National University, 12, St. Bandera Str., 79013 Lviv, Ukraine
Department of Heat Engineering and Thermal and Nuclear Power Plants, Lviv Polytechnic National University, 12, St. Bandera Str., 79013 Lviv, Ukraine
Department of Technologies, Materials and Computer Aided Production, Faculty of Mechanical Engineering, Technical University of Košice, 74 Mäsiarska, 04001 Košice, Slovakia
Funding
Ministry of Education, Science, Research and Sport of the Slovak Republic
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