Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 144, Issue -, Pages 316-323Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2015.09.029
Keywords
Smart windows; Gasochromic; Glazing systems; Energy simulation; eQUEST
Funding
- National Natural Science Foundation of China [51072137, 51102183]
- Shanghai Committee of Science and Technology [13JC1408700]
- Major Program of Education Bureau of Hubei Province China [Z20104401]
- Natural Science Foundation of Hubei Province [2015CFB323]
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In this paper, first of all, the configuration, optical and thermal properties of WO3-based gasochromic (GC) smart window are briefly reviewed. Subsequently, using the eQUEST building simulation program, the effect of GC smart window on the energy consumption for a commercial office building has been calculated and compared with various glazing systems currently available on the market, including SAG(@) electrochromic (EC) smart window. Simulation results indicate that the hot summer and cold winter regions are the most suitable testing grounds employing smart windows, and the decrease of HVAC loads in shanghai is 28.4% and 11.5% when using GC smart window to replace the single clear float glass and the colored absorbing double glass unit, respectively. Despite the limitation of coloration depth, GC smart window consumes less energy in Harbin than EC does. Also, according to the simulation data, there is no need to change the window's state hourly unless the occurrence of extreme weather condition. (C) 2015 Elsevier B.V. All rights reserved.
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