Aerogel-based solar thermal receivers
Abstract
In any solar thermal application, such as solar space heating, solar hot water for domestic or industrial use, concentrating solar power, or solar air conditioning, a solar receiver converts incident sunlight into heat. In order to be efficient, the receiver must ideally absorb the entire solar spectrum while losing relatively little heat. Currently, state-of-the-art receivers utilize a vacuum gap above an absorbing surface to minimize the convection losses, and selective surfaces to reduce radiative losses. Here we investigate a receiver design that utilizes aerogels to suppress radiation losses, boosting the efficiency of solar thermal conversion. Here we predict that receivers using aerogels could be more efficient than vacuum-gap receivers over a wide range of operating temperatures and optical concentrations. Aerogel-based receivers also make possible new geometries that cannot be achieved with vacuum-gap receivers.
- Authors:
-
- Massachusetts Institute of Technology (MIT), Cambridge, MA (United States)
- University of Houston, TX (United States)
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E); Natural Sciences and Engineering Research Council of Canada (NSERC)
- OSTI Identifier:
- 1538626
- Alternate Identifier(s):
- OSTI ID: 1549830
- Grant/Contract Number:
- AR0000471; EE0005806
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nano Energy
- Additional Journal Information:
- Journal Volume: 40; Journal Issue: C; Journal ID: ISSN 2211-2855
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; solar receiver; solar thermal; aerogel
Citation Formats
McEnaney, Kenneth, Weinstein, Lee, Kraemer, Daniel, Ghasemi, Hadi, and Chen, Gang. Aerogel-based solar thermal receivers. United States: N. p., 2017.
Web. doi:10.1016/j.nanoen.2017.08.006.
McEnaney, Kenneth, Weinstein, Lee, Kraemer, Daniel, Ghasemi, Hadi, & Chen, Gang. Aerogel-based solar thermal receivers. United States. https://doi.org/10.1016/j.nanoen.2017.08.006
McEnaney, Kenneth, Weinstein, Lee, Kraemer, Daniel, Ghasemi, Hadi, and Chen, Gang. Wed .
"Aerogel-based solar thermal receivers". United States. https://doi.org/10.1016/j.nanoen.2017.08.006. https://www.osti.gov/servlets/purl/1538626.
@article{osti_1538626,
title = {Aerogel-based solar thermal receivers},
author = {McEnaney, Kenneth and Weinstein, Lee and Kraemer, Daniel and Ghasemi, Hadi and Chen, Gang},
abstractNote = {In any solar thermal application, such as solar space heating, solar hot water for domestic or industrial use, concentrating solar power, or solar air conditioning, a solar receiver converts incident sunlight into heat. In order to be efficient, the receiver must ideally absorb the entire solar spectrum while losing relatively little heat. Currently, state-of-the-art receivers utilize a vacuum gap above an absorbing surface to minimize the convection losses, and selective surfaces to reduce radiative losses. Here we investigate a receiver design that utilizes aerogels to suppress radiation losses, boosting the efficiency of solar thermal conversion. Here we predict that receivers using aerogels could be more efficient than vacuum-gap receivers over a wide range of operating temperatures and optical concentrations. Aerogel-based receivers also make possible new geometries that cannot be achieved with vacuum-gap receivers.},
doi = {10.1016/j.nanoen.2017.08.006},
journal = {Nano Energy},
number = C,
volume = 40,
place = {United States},
year = {Wed Aug 09 00:00:00 EDT 2017},
month = {Wed Aug 09 00:00:00 EDT 2017}
}
Web of Science
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Works referencing / citing this record:
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