Modeling, simulation and outdoor experimental performance analysis of a solar-assisted process heating system for industrial process heat

Solar photovoltaic (PV) converts sunlight into electricity and is an appropriate alternative to overcome the depletion of conventional fuels and global warming issues. The performance of a PV panel may vary with respect to PV cell technology, fabrication methods, and operating conditions. This research aims at performing an experimental study to investigate the electrical performance of novel tempered glass-based PV panels using two different types of solar cells: monocrystalline and polycrystalline. Tempered glass-based panels are modified forms of commercial PV panels, in which ethylene-vinyl acetate (EVA) and Tedlar are not utilized. This new fabrication method was carried out in this research. Real-time data recordings regarding the PV electrical characteristics ( I - V curve) and solar irradiance were conducted under Malaysian weather conditions on clear sunny days. Results indicated that, at solar irradiance of 900 W/m2, the outputs from the fabricated polycrystalline and monocrystalline PV panels were 67.4 W and 75.67 W, respectively. However, at the highest average solar irradiance (634.61 W/m2), which was obtained at 12:30 PM, the outputs from both panels were 47.87 W and 54.89 W. An I - V curve was obtained for the real-time weather. The electrical efficiencies of the two PV panels were analyzed to be 10.54% and 12.23%.

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“…August; afterwards, it again rises to 3240 kJ/hr•m 2 which is around 900 W/m 2 from September to December [20].…”

Section: International Journal Of Photoenergymentioning

confidence: 92%

Performance Investigation of Tempered Glass-Based Monocrystalline and Polycrystalline Solar Photovoltaic Panels

Huot¹,

Kumar

Selvaraj³

et al. 2021

International Journal of Photoenergy

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“…Conventional energy analysis consists of carrying out energy balances based on the first law of thermodynamics and determining energy efficiencies. The energy balance equation for all the systems under control volume in the equilibrium state is the following equations [12,30,31]:…”

Section: Mathematical Framework For Thermal Performancementioning

confidence: 99%

“…Computational models for solar thermal systems developed in recent years eradicated the need for onsite experiments to a good extent [11]. In this regard, TRNSYS software is reportedly apposite for the SWH and PVT systems to assess their thermal and overall performances [12,13].…”

Section: Introductionmentioning

confidence: 99%

A Comparative Performance Analysis between Serpentine-Flow Solar Water Heater and Photovoltaic Thermal Collector under Malaysian Climate Conditions

Hossain

Kumar

Nahar

2021

International Journal of Photoenergy

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Solar energy has increasingly been employed for domestic and industrial water heating. Both conventional solar water heater (SWH) and photovoltaic thermal (PVT) systems suffer from the drawback of poor energy conversion efficiency. In this article, a unique parallel serpentine-flow thermal collector has been designed and developed that has been employed as an isolated SWH and also integrated with a 32-cell monocrystalline photovoltaic (PV) module. Simulation models of both SWH and PVT systems have been built in TRNSYS to study their thermal performance numerically. Thereafter, outdoor experimental investigations have been conducted under the composite climates of Malaysia. Experimental results show very good agreement with the simulation outcomes with disparity less than 2%. At the optimum flow rate, the maximum thermal efficiencies of SWH and PVT are 82.5% and 74.62%, respectively. Superior water outlet temperature was obtained with SWH. Although SWH exhibits superior thermal performance, PVT’s additional electrical output might make it preferable for several applications.

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“…Solar energy can be of great value in countries where the sun appears to shine in most places for most of the year. Solar thermal collectors are utilized in solar thermal systems to absorb the direct solar radiation from the sun as thermal energy [6]. This thermal energy is converted into heat energy, which is then transferred to a working fluid (i.e., water, air, thermo oil, etc.).…”

Section: Introductionmentioning

confidence: 99%

Global Challenges of Current Building-Integrated Solar Water Heating Technologies and Its Prospects: A Comprehensive Review

et al. 2022

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Among the renewable energy resources, solar thermal is one of the technologies that significantly contribute to energy supply and reduce global greenhouse gas (GHG) emissions. Solar water heating (SWH) contributes a large proportion of the global solar thermal capacity, with 63% installation for domestic hot water (DHW) systems, 28% for large DHW systems, and the remaining 9% for other applications such as swimming pools heating, solar district heating, and space heating. Still, now, there are many challenges and limitations of those SWH technologies. The present work reviews the current challenges faced in the domestic SWH industry globally. The integration of thermal energy storage (TES) systems for better collector’s radiation absorption and overall performance are also highlighted. Many countries worldwide seem to face similar challenges within the SWH technologies and industry. It is proven that these challenges and limitations can hinder the global capacity of solar thermal utilization.

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Modeling, simulation and outdoor experimental performance analysis of a solar-assisted process heating system for industrial process heat

Cited by 28 publications

References 62 publications

Performance Investigation of Tempered Glass-Based Monocrystalline and Polycrystalline Solar Photovoltaic Panels

Performance Investigation of Tempered Glass-Based Monocrystalline and Polycrystalline Solar Photovoltaic Panels

A Comparative Performance Analysis between Serpentine-Flow Solar Water Heater and Photovoltaic Thermal Collector under Malaysian Climate Conditions

Global Challenges of Current Building-Integrated Solar Water Heating Technologies and Its Prospects: A Comprehensive Review

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