Light Transport Analysis of Smart Windows for Solar Energy Harvesting

Date

2013-06-08

Author

Taylan, Onur
Berberoglu, Halil

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

131
views

0
downloads

This paper presents a numerical study, analyzing the transport of light within a novel window concept that uses nanoparticles to guide the incident light to its edges covered with solar cells for generating electrical power. For illustrative purposes, silica coated silver nanoparticles of core radius 50 nm are considered in acrylic windows. The radiation characteristics of the nanoparticles are determined using the Mie theory for coated spheres and analyzed for the effects of the coating thickness as well as the metal core size over the wavelengths from 300 nm to 1100 nm. A three dimensional Monte Carlo model has been created to determine the concentration factor, the effective transmittance, absorptance, and reflectance of the window as functions of particle number density and different window dimensions. Both collimated and diffuse components of solar radiation were taken into account at 550 nm and 900 nm. The results indicated that a critical particle number density existed for maximizing the concentration factor as well as defining the borderline between a light transport regime dominated by window transmittance and a regime dominated by window absorptance.

URI

https://hdl.handle.net/11511/89359

DOI

https://doi.org/10.1615/ICHMT.2013.IntSympRadTransf.220

Conference Name

7th International Symposium on Radiative Transfer

Collections

Department of Mechanical Engineering, Conference / Seminar

Suggestions

OpenMETU
Core

Light management on industrial size c-Si solar cells by Si nanowires fabricated by metal-assisted etching ES, FIRAT; DEMİRCİOĞLU, Olgu; KULAKCI, Mustafa; Ünalan, Hüsnü Emrah; Turan, Raşit (2012-04-27) Absorption of the light by a solar cell can be improved significantly by light trapping structures formed on the front surface of the device. In particular, thin crystalline and amorphous solar cells are expected to benefit from the improved light absorption in a region closer to the surface of the cell. Recently, we have shown that vertically aligned silicon (Si) nanowires formed on flat (100) Si wafer surface by metal assisted etching can effectively be used for this purpose. In this paper we present demo...
Light flicker evaluation of electric arc furnaces based on novel signal processing algorithms Köse, Neslihan; Leblebicioğlu, Mehmet Kemal; Department of Electrical and Electronics Engineering (2009) In this research work, two new flickermeters are proposed to estimate the light flicker caused by electric arc furnaces (EAFs) where the system frequency deviates significantly. In these methods, analytical expressions of the instantaneous light flicker sensation are obtained beginning from a voltage waveform and these expressions are used to obtain a flicker estimation method based on the IEC (International Electrotechnical Commission) flickermeter. First method is a spectral decomposition based approach u...
Concentrated Solar Power Harvesting Using Self-powered, Wireless, Thin-profile, Lightweight Solar Tiles Ardanuc, Serhan M.; Lal, Amit; Jones, Samuel C. (ASME International, 2011-08-01) This paper presents a modular and scalable approach to concentrated solar power (CSP) harvesting by using low-profile, light-weight, sun-tracking, millimeter-to-centimeter-scale mirror arrays that can be wirelessly controlled to reflect the incident solar energy to a central receiver. Conventional, utility-scale CSP plants use large-area heliostats, parabolic troughs, or dish collectors that are not only heavy and bulky, but also require significant labor for installation and maintenance infrastructure. Fur...
Light trapping and thermodynamic processes in photovoltaics Chen, Gang; Boriskina, Svetlana V.; Branham, Matthew; Yerci, Selçuk (null; 2012-12-01) This talk will first discuss experimental progress on light-trapping in crystalline silicon thin films with nanostructured surfaces and fabrication of solar cells on such thin films, followed by discussion of thermodynamic processes in photovoltaics.
Light trapping by micro and nano-hole texturing of single-crystalline silicon solar cells ALTINOLUK, Serra H.; CIFTPINAR, Hande E.; DEMİRCİOĞLU, Olgu; ES, FIRAT; BAYTEMİR, Gulsen; AKAR, Orhan; AYDEMİR, Akin; SARAC, Adem; Akın, Tayfun; Turan, Raşit (Elsevier BV; 2016-03-09) The efficiency of a solar cell strongly depends on the interaction between the incoming light beam and the surface of the device. Any process enhances light-surface interaction increases absorption probability of the light; thus, improves generated current, in turn. Generated current could be improved either by light trapping or by increased device thickness. Considering fabrication costs and recombination losses, mechanically thin optically thick wafers are being focused on in terms of light trapping prope...

Citation Formats

O. Taylan and H. Berberoglu, “Light Transport Analysis of Smart Windows for Solar Energy Harvesting,” presented at the 7th International Symposium on Radiative Transfer, Aydın, Türkiye, 2013, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/89359.