Since it is highly correlated with quality of life, the demand for energy continues to increase as the global population grows and modernizes. Although there has been significant impetus to move away from reliance on fossil fuels for decades (e.g., localized pollution and climate change), solar energy has only recently taken on a non-negligible role in the global production of energy. The photovoltaics (PV) industry has many of the same electronics packaging challenges as the semiconductor industry, because in both cases, high temperatures lead to lowering of the system performance. Also, there are several technologies, which can harvest solar energy solely as heat. Advances in these technologies (e.g., solar selective coatings, design optimizations, and improvement in materials) have also kept the solar thermal market growing in recent years (albeit not nearly as rapidly as PV). This paper presents a review on how heat is managed in solar thermal and PV systems, with a focus on the recent developments for technologies, which can harvest heat to meet global energy demands. It also briefs about possible ways to resolve the challenges or difficulties existing in solar collectors like solar selectivity, thermal stability, etc. As a key enabling technology for reducing radiation heat losses in these devices, the focus of this paper is to discuss the ongoing advances in solar selective coatings and working fluids, which could potentially be used in tandem to filter out or recover the heat that is wasted from PVs. Among the reviewed solar selective coatings, recent advances in selective coating categories like dielectric-metal-dielectric (DMD), multilayered, and cermet-based coatings are considered. In addition, the effects of characteristic changes in glazing, absorber geometry, and solar tracking systems on the performance of solar collectors are also reviewed. A discussion of how these fundamental technological advances could be incorporated with PVs is included as well.
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December 2018
Review Articles
Technological Advances to Maximize Solar Collector Energy Output: A Review
Swapnil S. Salvi,
Swapnil S. Salvi
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
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Vishal Bhalla,
Vishal Bhalla
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
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Robert A. Taylor,
Robert A. Taylor
School of Mechanical and
Manufacturing Engineering;
School of Photovoltaics and
Renewable Energy Engineering,
The University of New South Wales,
Sydney 2052, Australia
Manufacturing Engineering;
School of Photovoltaics and
Renewable Energy Engineering,
The University of New South Wales,
Sydney 2052, Australia
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Vikrant Khullar,
Vikrant Khullar
Mechanical Engineering Department,
Thapar University,
Patiala 147004, Punjab, India
Thapar University,
Patiala 147004, Punjab, India
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Todd P. Otanicar,
Todd P. Otanicar
Department of Mechanical Engineering,
The University of Tulsa,
Tulsa 74104, OK
The University of Tulsa,
Tulsa 74104, OK
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Patrick E. Phelan,
Patrick E. Phelan
School for Engineering of Matter,
Transport & Energy,
Arizona State University,
Tempe, AZ 85287
Transport & Energy,
Arizona State University,
Tempe, AZ 85287
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Himanshu Tyagi
Himanshu Tyagi
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
e-mail: himanshu.tyagi@iitrpr.ac.in
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
e-mail: himanshu.tyagi@iitrpr.ac.in
Search for other works by this author on:
Swapnil S. Salvi
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Vishal Bhalla
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
Robert A. Taylor
School of Mechanical and
Manufacturing Engineering;
School of Photovoltaics and
Renewable Energy Engineering,
The University of New South Wales,
Sydney 2052, Australia
Manufacturing Engineering;
School of Photovoltaics and
Renewable Energy Engineering,
The University of New South Wales,
Sydney 2052, Australia
Vikrant Khullar
Mechanical Engineering Department,
Thapar University,
Patiala 147004, Punjab, India
Thapar University,
Patiala 147004, Punjab, India
Todd P. Otanicar
Department of Mechanical Engineering,
The University of Tulsa,
Tulsa 74104, OK
The University of Tulsa,
Tulsa 74104, OK
Patrick E. Phelan
School for Engineering of Matter,
Transport & Energy,
Arizona State University,
Tempe, AZ 85287
Transport & Energy,
Arizona State University,
Tempe, AZ 85287
Himanshu Tyagi
School of Mechanical,
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
e-mail: himanshu.tyagi@iitrpr.ac.in
Materials and Energy Engineering,
Indian Institute of Technology Ropar,
Rupnagar 140001, Punjab, India
e-mail: himanshu.tyagi@iitrpr.ac.in
1Present address: Centre for Energy and Environmental Engineering, National Institute of Technology, Hamirpur, 177005, Himachal Pradesh, India
2Corresponding author.
Contributed by the Electronic and Photonic Packaging Division of ASME for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received May 4, 2018; final manuscript received August 19, 2018; published online October 1, 2018. Assoc. Editor: Ankur Jain.
J. Electron. Packag. Dec 2018, 140(4): 040802 (21 pages)
Published Online: October 1, 2018
Article history
Received:
May 4, 2018
Revised:
August 19, 2018
Citation
Salvi, S. S., Bhalla, V., Taylor, R. A., Khullar, V., Otanicar, T. P., Phelan, P. E., and Tyagi, H. (October 1, 2018). "Technological Advances to Maximize Solar Collector Energy Output: A Review." ASME. J. Electron. Packag. December 2018; 140(4): 040802. https://doi.org/10.1115/1.4041219
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