Performance assessment of a photonic radiative cooling system for office buildings
Abstract
Recent advances in materials have demonstrated the ability to maintain radiator surfaces at below-ambient temperatures in the presence of intense, direct sunlight. Daytime radiative cooling is promising for building applications. Here, this paper estimates the energy savings from daytime radiative cooling, specifically based on photonic materials. A photonic radiative cooling system was proposed and modeled using the whole energy simulation program EnergyPlus. A typical medium-sized office building was used for the simulation analysis. Several reference systems were established to quantify the potential of energy savings from the photonic radiative cooling system. The reference systems include a variable-air-volume (VAV) system, a hydronic radiant system, and a nighttime radiative cooling system. The savings analysis was made for a number of locations with different climates. Simulation results showed that the photonic radiative cooling system saved between 45% and 68% cooling electricity relative to the VAV system and between 9% and 23% relative to the nighttime radiative cooling system featured with the best coating commercially available on market. Finally, a simple economic analysis was also made to estimate the maximum acceptable incremental cost for upgrading from nighttime cooling to photonic radiative cooling.
- Authors:
-
- University of North Carolina at Charlotte, Charlotte, NC (United States)
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Publication Date:
- Research Org.:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1413501
- Alternate Identifier(s):
- OSTI ID: 1549049
- Report Number(s):
- PNNL-SA-122490
Journal ID: ISSN 0960-1481; PII: S0960148117310236
- Grant/Contract Number:
- AC05-76RL01830
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Renewable Energy
- Additional Journal Information:
- Journal Volume: 118; Journal Issue: C; Journal ID: ISSN 0960-1481
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 29 ENERGY PLANNING, POLICY, AND ECONOMY; Radiative cooling; Radiant cooling; Energy simulation; Photonic material; Building performance
Citation Formats
Wang, Weimin, Fernandez, Nick, Katipamula, Srinivas, and Alvine, Kyle. Performance assessment of a photonic radiative cooling system for office buildings. United States: N. p., 2017.
Web. doi:10.1016/j.renene.2017.10.062.
Wang, Weimin, Fernandez, Nick, Katipamula, Srinivas, & Alvine, Kyle. Performance assessment of a photonic radiative cooling system for office buildings. United States. https://doi.org/10.1016/j.renene.2017.10.062
Wang, Weimin, Fernandez, Nick, Katipamula, Srinivas, and Alvine, Kyle. Wed .
"Performance assessment of a photonic radiative cooling system for office buildings". United States. https://doi.org/10.1016/j.renene.2017.10.062. https://www.osti.gov/servlets/purl/1413501.
@article{osti_1413501,
title = {Performance assessment of a photonic radiative cooling system for office buildings},
author = {Wang, Weimin and Fernandez, Nick and Katipamula, Srinivas and Alvine, Kyle},
abstractNote = {Recent advances in materials have demonstrated the ability to maintain radiator surfaces at below-ambient temperatures in the presence of intense, direct sunlight. Daytime radiative cooling is promising for building applications. Here, this paper estimates the energy savings from daytime radiative cooling, specifically based on photonic materials. A photonic radiative cooling system was proposed and modeled using the whole energy simulation program EnergyPlus. A typical medium-sized office building was used for the simulation analysis. Several reference systems were established to quantify the potential of energy savings from the photonic radiative cooling system. The reference systems include a variable-air-volume (VAV) system, a hydronic radiant system, and a nighttime radiative cooling system. The savings analysis was made for a number of locations with different climates. Simulation results showed that the photonic radiative cooling system saved between 45% and 68% cooling electricity relative to the VAV system and between 9% and 23% relative to the nighttime radiative cooling system featured with the best coating commercially available on market. Finally, a simple economic analysis was also made to estimate the maximum acceptable incremental cost for upgrading from nighttime cooling to photonic radiative cooling.},
doi = {10.1016/j.renene.2017.10.062},
journal = {Renewable Energy},
number = C,
volume = 118,
place = {United States},
year = {Wed Nov 08 00:00:00 EST 2017},
month = {Wed Nov 08 00:00:00 EST 2017}
}
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Cited by: 62 works
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Figures / Tables:
Fig. 1: Schematic diagram of the photonic radiative cooling system
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Works referencing / citing this record:
Revisiting radiant cooling: condensation-free heat rejection using infrared-transparent enclosures of chilled panels
journal, January 2019
- Teitelbaum, Eric; Rysanek, Adam; Pantelic, Jovan
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journal, June 2019
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.