Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results
Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context,...
Ausführliche Beschreibung
Autor*in: |
Fiorini, Costanza V. [verfasserIn] Merli, Francesca [verfasserIn] Belloni, Elisa [verfasserIn] Anderson, Ann M. [verfasserIn] Carroll, Mary K. [verfasserIn] Buratti, Cinzia [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Solar energy - Amsterdam [u.a.] : Elsevier Science, 1957, 253, Seite 515-526 |
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Übergeordnetes Werk: |
volume:253 ; pages:515-526 |
DOI / URN: |
10.1016/j.solener.2023.01.030 |
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Katalog-ID: |
ELV00941598X |
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245 | 1 | 0 | |a Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results |
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520 | |a Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. | ||
650 | 4 | |a Monolithic aerogel | |
650 | 4 | |a Accelerated aging | |
650 | 4 | |a Activation energy | |
650 | 4 | |a Color rendering | |
650 | 4 | |a Long-term performance | |
700 | 1 | |a Merli, Francesca |e verfasserin |4 aut | |
700 | 1 | |a Belloni, Elisa |e verfasserin |4 aut | |
700 | 1 | |a Anderson, Ann M. |e verfasserin |0 (orcid)0000-0002-4055-2518 |4 aut | |
700 | 1 | |a Carroll, Mary K. |e verfasserin |0 (orcid)0000-0002-4217-6915 |4 aut | |
700 | 1 | |a Buratti, Cinzia |e verfasserin |0 (orcid)0000-0001-5653-3701 |4 aut | |
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allfields |
10.1016/j.solener.2023.01.030 doi (DE-627)ELV00941598X (ELSEVIER)S0038-092X(23)00035-X DE-627 ger DE-627 rda eng 530 VZ 52.56 bkl Fiorini, Costanza V. verfasserin aut Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. Monolithic aerogel Accelerated aging Activation energy Color rendering Long-term performance Merli, Francesca verfasserin aut Belloni, Elisa verfasserin aut Anderson, Ann M. verfasserin (orcid)0000-0002-4055-2518 aut Carroll, Mary K. verfasserin (orcid)0000-0002-4217-6915 aut Buratti, Cinzia verfasserin (orcid)0000-0001-5653-3701 aut Enthalten in Solar energy Amsterdam [u.a.] : Elsevier Science, 1957 253, Seite 515-526 Online-Ressource (DE-627)320525597 (DE-600)2015126-3 (DE-576)096806648 1471-1257 nnns volume:253 pages:515-526 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2116 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 253 515-526 |
spelling |
10.1016/j.solener.2023.01.030 doi (DE-627)ELV00941598X (ELSEVIER)S0038-092X(23)00035-X DE-627 ger DE-627 rda eng 530 VZ 52.56 bkl Fiorini, Costanza V. verfasserin aut Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. Monolithic aerogel Accelerated aging Activation energy Color rendering Long-term performance Merli, Francesca verfasserin aut Belloni, Elisa verfasserin aut Anderson, Ann M. verfasserin (orcid)0000-0002-4055-2518 aut Carroll, Mary K. verfasserin (orcid)0000-0002-4217-6915 aut Buratti, Cinzia verfasserin (orcid)0000-0001-5653-3701 aut Enthalten in Solar energy Amsterdam [u.a.] : Elsevier Science, 1957 253, Seite 515-526 Online-Ressource (DE-627)320525597 (DE-600)2015126-3 (DE-576)096806648 1471-1257 nnns volume:253 pages:515-526 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2116 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 253 515-526 |
allfields_unstemmed |
10.1016/j.solener.2023.01.030 doi (DE-627)ELV00941598X (ELSEVIER)S0038-092X(23)00035-X DE-627 ger DE-627 rda eng 530 VZ 52.56 bkl Fiorini, Costanza V. verfasserin aut Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. Monolithic aerogel Accelerated aging Activation energy Color rendering Long-term performance Merli, Francesca verfasserin aut Belloni, Elisa verfasserin aut Anderson, Ann M. verfasserin (orcid)0000-0002-4055-2518 aut Carroll, Mary K. verfasserin (orcid)0000-0002-4217-6915 aut Buratti, Cinzia verfasserin (orcid)0000-0001-5653-3701 aut Enthalten in Solar energy Amsterdam [u.a.] : Elsevier Science, 1957 253, Seite 515-526 Online-Ressource (DE-627)320525597 (DE-600)2015126-3 (DE-576)096806648 1471-1257 nnns volume:253 pages:515-526 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2116 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 253 515-526 |
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10.1016/j.solener.2023.01.030 doi (DE-627)ELV00941598X (ELSEVIER)S0038-092X(23)00035-X DE-627 ger DE-627 rda eng 530 VZ 52.56 bkl Fiorini, Costanza V. verfasserin aut Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. Monolithic aerogel Accelerated aging Activation energy Color rendering Long-term performance Merli, Francesca verfasserin aut Belloni, Elisa verfasserin aut Anderson, Ann M. verfasserin (orcid)0000-0002-4055-2518 aut Carroll, Mary K. verfasserin (orcid)0000-0002-4217-6915 aut Buratti, Cinzia verfasserin (orcid)0000-0001-5653-3701 aut Enthalten in Solar energy Amsterdam [u.a.] : Elsevier Science, 1957 253, Seite 515-526 Online-Ressource (DE-627)320525597 (DE-600)2015126-3 (DE-576)096806648 1471-1257 nnns volume:253 pages:515-526 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2116 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 253 515-526 |
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10.1016/j.solener.2023.01.030 doi (DE-627)ELV00941598X (ELSEVIER)S0038-092X(23)00035-X DE-627 ger DE-627 rda eng 530 VZ 52.56 bkl Fiorini, Costanza V. verfasserin aut Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. Monolithic aerogel Accelerated aging Activation energy Color rendering Long-term performance Merli, Francesca verfasserin aut Belloni, Elisa verfasserin aut Anderson, Ann M. verfasserin (orcid)0000-0002-4055-2518 aut Carroll, Mary K. verfasserin (orcid)0000-0002-4217-6915 aut Buratti, Cinzia verfasserin (orcid)0000-0001-5653-3701 aut Enthalten in Solar energy Amsterdam [u.a.] : Elsevier Science, 1957 253, Seite 515-526 Online-Ressource (DE-627)320525597 (DE-600)2015126-3 (DE-576)096806648 1471-1257 nnns volume:253 pages:515-526 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2116 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 253 515-526 |
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optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: development of a method and preliminary experimental results |
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Optical and color rendering long-term performance of monolithic aerogel after laboratory accelerated aging: Development of a method and preliminary experimental results |
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Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. |
abstractGer |
Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. |
abstract_unstemmed |
Innovative transparent solutions such as monolithic aerogel in the building envelope have a considerable impact on both the indoor environmental quality and thermo-acoustic performance. However, the long-term effect of this new material is not yet known in the scientific literature. In this context, the present study investigates the influence of accelerated aging on the optical and color rendering properties of monolithic aerogel. In the aging process, the combined effect of temperature and solar radiation was considered. An acceleration factor for temperature equal to 13.6 was obtained following the Arrhenius Law, after evaluating the activation energy value by means of thermogravimetric analysis. The acceleration factor for radiation was evaluated as the ratio between artificial radiation of the chosen lamps used in the laboratory aging device and the natural radiation of the solar spectrum, by adding the direct and diffuse components related to the site. Accelerated aging equivalent to 2.6 years did not lead to significant changes in the optical transmission properties of the monolithic aerogel; however, the material tends to yellow and a bluish hue is obtained for the color patches seen through the aged material. Furthermore, an increase in the color shift is measured for all colors (from the 5.62–43.40 range to the 6.42–45.30 range), with the higher variations between before and after aging registered for a sample of bluish green color. |
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