Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating
The exponential growth in population and the increasing global temperature trickles down to an explosive demand in cooling and refrigeration. The vicious cycle of carbon footprint generation by these cooling devices can be broken by a mechanism of passive cooling. This study outlines research undert...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | Sasihithlu, Karthik Sundaram, Sreerag Mishra, Bhrigu Rishi Varghese, Nithin Jo |
| description | The exponential growth in population and the increasing global temperature
trickles down to an explosive demand in cooling and refrigeration. The vicious
cycle of carbon footprint generation by these cooling devices can be broken by
a mechanism of passive cooling. This study outlines research undertaken with
the aim to design such materials - exhibiting high reflectance in the solar
spectrum and high emission in the atmospheric transparency window of 8-13
$\mu$m. The Monte Carlo (MC) method is used to simulate light propagation in a
composite material aiding the design of metamaterials with these specific
thermo-optical properties. A TiO$_2$/PDMS coating is fabricated to obtain > 91
\% solar reflectivity and > 75 \% emissivity in the atmospheric transparency
window. This translates to cooling the coated body by 4-9 $^\circ$C below the
ambient under peak solar irradiation in Mumbai, India. The facile fabrication
process supplemented with the potential versatility of this coating shows
promise to attain passive daytime radiative cooling on a commercial scale. |
| doi_str_mv | 10.48550/arxiv.2202.09598 |
| format | Article |
| fullrecord | <record><control><sourceid>arxiv_GOX</sourceid><recordid>TN_cdi_arxiv_primary_2202_09598</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2202_09598</sourcerecordid><originalsourceid>FETCH-LOGICAL-a678-65c6da41507248dfabf2729b9c4463f7852295097fada3b6ab6b3c451d4b8f643</originalsourceid><addsrcrecordid>eNotj0trwkAUhWfjotj-gK6ahdvEyZ33UtQ-QFFo9uHOTMZe8EUiof77GuvqwDkfBz7GXkteSKsUn2L7S30BwKHgTjn7xBaz8ENNT8dddsauo77JIl4vdGiyFiPhZWjC6bQfiJ4wq2gzqWEy3S7W37fhBhx3z2yUcN81L48cs-p9Wc0_89Xm42s-W-Wojc21CjqiLBU3IG1M6BMYcN4FKbVIxioAp7gzCSMKr9FrL4JUZZTeJi3FmL3939416nNLB2yv9aBT33XEH8HURBw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating</title><source>arXiv.org</source><creator>Sasihithlu, Karthik ; Sundaram, Sreerag ; Mishra, Bhrigu Rishi ; Varghese, Nithin Jo</creator><creatorcontrib>Sasihithlu, Karthik ; Sundaram, Sreerag ; Mishra, Bhrigu Rishi ; Varghese, Nithin Jo</creatorcontrib><description>The exponential growth in population and the increasing global temperature
trickles down to an explosive demand in cooling and refrigeration. The vicious
cycle of carbon footprint generation by these cooling devices can be broken by
a mechanism of passive cooling. This study outlines research undertaken with
the aim to design such materials - exhibiting high reflectance in the solar
spectrum and high emission in the atmospheric transparency window of 8-13
$\mu$m. The Monte Carlo (MC) method is used to simulate light propagation in a
composite material aiding the design of metamaterials with these specific
thermo-optical properties. A TiO$_2$/PDMS coating is fabricated to obtain > 91
\% solar reflectivity and > 75 \% emissivity in the atmospheric transparency
window. This translates to cooling the coated body by 4-9 $^\circ$C below the
ambient under peak solar irradiation in Mumbai, India. The facile fabrication
process supplemented with the potential versatility of this coating shows
promise to attain passive daytime radiative cooling on a commercial scale.</description><identifier>DOI: 10.48550/arxiv.2202.09598</identifier><language>eng</language><subject>Physics - Applied Physics</subject><creationdate>2022-02</creationdate><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2202.09598$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2202.09598$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Sasihithlu, Karthik</creatorcontrib><creatorcontrib>Sundaram, Sreerag</creatorcontrib><creatorcontrib>Mishra, Bhrigu Rishi</creatorcontrib><creatorcontrib>Varghese, Nithin Jo</creatorcontrib><title>Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating</title><description>The exponential growth in population and the increasing global temperature
trickles down to an explosive demand in cooling and refrigeration. The vicious
cycle of carbon footprint generation by these cooling devices can be broken by
a mechanism of passive cooling. This study outlines research undertaken with
the aim to design such materials - exhibiting high reflectance in the solar
spectrum and high emission in the atmospheric transparency window of 8-13
$\mu$m. The Monte Carlo (MC) method is used to simulate light propagation in a
composite material aiding the design of metamaterials with these specific
thermo-optical properties. A TiO$_2$/PDMS coating is fabricated to obtain > 91
\% solar reflectivity and > 75 \% emissivity in the atmospheric transparency
window. This translates to cooling the coated body by 4-9 $^\circ$C below the
ambient under peak solar irradiation in Mumbai, India. The facile fabrication
process supplemented with the potential versatility of this coating shows
promise to attain passive daytime radiative cooling on a commercial scale.</description><subject>Physics - Applied Physics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotj0trwkAUhWfjotj-gK6ahdvEyZ33UtQ-QFFo9uHOTMZe8EUiof77GuvqwDkfBz7GXkteSKsUn2L7S30BwKHgTjn7xBaz8ENNT8dddsauo77JIl4vdGiyFiPhZWjC6bQfiJ4wq2gzqWEy3S7W37fhBhx3z2yUcN81L48cs-p9Wc0_89Xm42s-W-Wojc21CjqiLBU3IG1M6BMYcN4FKbVIxioAp7gzCSMKr9FrL4JUZZTeJi3FmL3939416nNLB2yv9aBT33XEH8HURBw</recordid><startdate>20220219</startdate><enddate>20220219</enddate><creator>Sasihithlu, Karthik</creator><creator>Sundaram, Sreerag</creator><creator>Mishra, Bhrigu Rishi</creator><creator>Varghese, Nithin Jo</creator><scope>GOX</scope></search><sort><creationdate>20220219</creationdate><title>Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating</title><author>Sasihithlu, Karthik ; Sundaram, Sreerag ; Mishra, Bhrigu Rishi ; Varghese, Nithin Jo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a678-65c6da41507248dfabf2729b9c4463f7852295097fada3b6ab6b3c451d4b8f643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Physics - Applied Physics</topic><toplevel>online_resources</toplevel><creatorcontrib>Sasihithlu, Karthik</creatorcontrib><creatorcontrib>Sundaram, Sreerag</creatorcontrib><creatorcontrib>Mishra, Bhrigu Rishi</creatorcontrib><creatorcontrib>Varghese, Nithin Jo</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sasihithlu, Karthik</au><au>Sundaram, Sreerag</au><au>Mishra, Bhrigu Rishi</au><au>Varghese, Nithin Jo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating</atitle><date>2022-02-19</date><risdate>2022</risdate><abstract>The exponential growth in population and the increasing global temperature
trickles down to an explosive demand in cooling and refrigeration. The vicious
cycle of carbon footprint generation by these cooling devices can be broken by
a mechanism of passive cooling. This study outlines research undertaken with
the aim to design such materials - exhibiting high reflectance in the solar
spectrum and high emission in the atmospheric transparency window of 8-13
$\mu$m. The Monte Carlo (MC) method is used to simulate light propagation in a
composite material aiding the design of metamaterials with these specific
thermo-optical properties. A TiO$_2$/PDMS coating is fabricated to obtain > 91
\% solar reflectivity and > 75 \% emissivity in the atmospheric transparency
window. This translates to cooling the coated body by 4-9 $^\circ$C below the
ambient under peak solar irradiation in Mumbai, India. The facile fabrication
process supplemented with the potential versatility of this coating shows
promise to attain passive daytime radiative cooling on a commercial scale.</abstract><doi>10.48550/arxiv.2202.09598</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | DOI: 10.48550/arxiv.2202.09598 |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_arxiv_primary_2202_09598 |
| source | arXiv.org |
| subjects | Physics - Applied Physics |
| title | Achieving passive daytime radiative cooling via TiO$_2$/PDMS coating |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-11T00%3A23%3A34IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-arxiv_GOX&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Achieving%20passive%20daytime%20radiative%20cooling%20via%20TiO$_2$/PDMS%20coating&rft.au=Sasihithlu,%20Karthik&rft.date=2022-02-19&rft_id=info:doi/10.48550/arxiv.2202.09598&rft_dat=%3Carxiv_GOX%3E2202_09598%3C/arxiv_GOX%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |