Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector

This paper presents an environmental impact assessment of the entire cycle of existence of the tube-vacuum solar collector prototype. The innovativeness of the solution involved using a phase change material as a heat-storing material, which was placed inside the collector’s tubes-vacuum. The PCM us...

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Main Authors: Agnieszka Jachura, Robert Sekret
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/14/4146
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author Agnieszka Jachura
Robert Sekret
author_facet Agnieszka Jachura
Robert Sekret
author_sort Agnieszka Jachura
collection DOAJ
description This paper presents an environmental impact assessment of the entire cycle of existence of the tube-vacuum solar collector prototype. The innovativeness of the solution involved using a phase change material as a heat-storing material, which was placed inside the collector’s tubes-vacuum. The PCM used in this study was paraffin. The system boundaries contained three phases: production, operation (use phase), and disposal. An ecological life cycle assessment was carried out using the SimaPro software. To compare the environmental impact of heat storage, the amount of heat generated for 15 years, starting from the beginning of a solar installation for preparing domestic hot water for a single-family residential building, was considered the functional unit. Assuming comparable production methods for individual elements of the ETC and waste management scenarios, the reduction in harmful effects on the environment by introducing a PCM that stores heat inside the ETC ranges from 17 to 24%. The performed analyses have also shown that the method itself of manufacturing the materials used for the construction of the solar collector and the choice of the scenario of the disposal of waste during decommissioning the solar collector all play an important role in its environmental assessment. With an increase in the application of the advanced technologies of materials manufacturing and an increase in the amount of waste subjected to recycling, the degree of the solar collector’s environmental impact decreased by 82% compared to its standard manufacture and disposal.
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spelling doaj.art-4e625bab11994753996b608a1a889c982023-11-22T03:41:00ZengMDPI AGEnergies1996-10732021-07-011414414610.3390/en14144146Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube CollectorAgnieszka Jachura0Robert Sekret1Faculty of Infrastructure and Environment, Czestochowa University of Technology, 42-201 Częstochowa, PolandFaculty of Infrastructure and Environment, Czestochowa University of Technology, 42-201 Częstochowa, PolandThis paper presents an environmental impact assessment of the entire cycle of existence of the tube-vacuum solar collector prototype. The innovativeness of the solution involved using a phase change material as a heat-storing material, which was placed inside the collector’s tubes-vacuum. The PCM used in this study was paraffin. The system boundaries contained three phases: production, operation (use phase), and disposal. An ecological life cycle assessment was carried out using the SimaPro software. To compare the environmental impact of heat storage, the amount of heat generated for 15 years, starting from the beginning of a solar installation for preparing domestic hot water for a single-family residential building, was considered the functional unit. Assuming comparable production methods for individual elements of the ETC and waste management scenarios, the reduction in harmful effects on the environment by introducing a PCM that stores heat inside the ETC ranges from 17 to 24%. The performed analyses have also shown that the method itself of manufacturing the materials used for the construction of the solar collector and the choice of the scenario of the disposal of waste during decommissioning the solar collector all play an important role in its environmental assessment. With an increase in the application of the advanced technologies of materials manufacturing and an increase in the amount of waste subjected to recycling, the degree of the solar collector’s environmental impact decreased by 82% compared to its standard manufacture and disposal.https://www.mdpi.com/1996-1073/14/14/4146LCAheat storageevacuated solar tube collectorphase change material (PCM)
spellingShingle Agnieszka Jachura
Robert Sekret
Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
Energies
LCA
heat storage
evacuated solar tube collector
phase change material (PCM)
title Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
title_full Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
title_fullStr Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
title_full_unstemmed Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
title_short Life Cycle Assessment of the Use of Phase Change Material in an Evacuated Solar Tube Collector
title_sort life cycle assessment of the use of phase change material in an evacuated solar tube collector
topic LCA
heat storage
evacuated solar tube collector
phase change material (PCM)
url https://www.mdpi.com/1996-1073/14/14/4146
work_keys_str_mv AT agnieszkajachura lifecycleassessmentoftheuseofphasechangematerialinanevacuatedsolartubecollector
AT robertsekret lifecycleassessmentoftheuseofphasechangematerialinanevacuatedsolartubecollector