Advanced liquid cooling in HCPVT systems to achieve higher energy efficiencies

Zimmermann, Severin; Helmers, Henning; Tiwari, Manish K.; Escher, W.; Paredes, Stephan; Neves, P. T.; Poulikakos, Dimos; Wiesenfarth, Maike; Bett, Andreas W.; Michel, Bruno

doi:10.1063/1.4822242

Cited by 5 publications

(3 citation statements)

References 9 publications

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“…In various economic conditions that were experimentally tested, CPVT showed better results compared to conventional solar cooling. Also, CPVT could work at a higher temperature with an appropriate efficiency [ 149 ]. Anand et al [ 150 ] evaluated the potential of CPVT used in two desalination and cooling cycles simultaneously.…”

Section: Concentrating Photovoltaic Thermal Collectors In Refrigeration Cyclesmentioning

confidence: 99%

Photovoltaic and Photovoltaic Thermal Technologies for Refrigeration Purposes: An Overview

Alsagri

2022

Arab J Sci Eng

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Refrigeration systems have a broad range of applications, playing a critical role in human life. Especially, vaccine preservation in rural regions has become more critical than in the past during the COVID19 era. In this sense, meeting the cooling process's energy need with renewable energy is critical, as the grid cannot support it. Thus, solar energy has been extensively studied for use in refrigeration cycles. Compression, absorption, adsorption, desiccant, and ejector refrigeration cycles are frequently used in this configuration. This article discusses multiple studies showing various attributes' impact on a system's overall efficiency. Most previous reviews did not cover PV with refrigeration cycles. So, this paper surveys the literature on PV-powered cooling cycles. For better classification, PV technologies are categorized into three types: PV, PVT, and CPVT. With this regard, CPVTs still have a way to progress due to a lack of studies compared to PV. The works are divided into three main sections as Exergy Studies, Experimental Studies, and Simulation and Numerical Studies. This review paper categorizes and rates refrigeration-assisted solar systems based on exergy destruction, exergy efficiency, and COP of cooling cycles. The results showed that PV panels have the highest exergy destruction in most of the systems. It is concluded that using PV technologies has a great potential to supply cooling demand, especially in a hot climate condition. Moreover, the study's findings are anticipated to aid designers in scaling up photovoltaic-based cooling systems, resulting in more efficient and sustainable designs.

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Section: Concentrating Photovoltaic Thermal Collectors In Refrigeration Cyclesmentioning

confidence: 99%

Photovoltaic and Photovoltaic Thermal Technologies for Refrigeration Purposes: An Overview

Alsagri

2022

Arab J Sci Eng

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“…In Ref. [94], a 4.33 cm² singlejunction GaAs MIM consisting of 23 interconnected cells is attached to a manifold microchannel heat sink meant to recover and make a profitable use of the thermal energy produced.…”

Section: B) Gaas Mims For Cpvmentioning

confidence: 99%

Monolithic interconnected modules (MIM) for high irradiance photovoltaic energy conversion: A comprehensive review

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Linares

2017

Renewable and Sustainable Energy Reviews

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“…1). [2][3][4] The key component is an active cooled silicon microchannel multi-chip solar receiver. This allows much higher optical concentrations while enabling higher coolant temperatures and a minimized need of semiconductor PV materials.…”

Section: High-concentration Photovoltaic Thermal Systemmentioning

confidence: 99%

Ecological and economical advantages of efficient solar systems

Burg¹,

Selviaridis²,

Paredes³

et al. 2014

AIP Conference Proceedings

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Abstract.A strategy to optimize the positive climatic effect of solar energy requires a minimization of embodied energy and a maximization of efficiency to compensate for the upward temperature forcing effect of low albedo solar collector surfaces. Climatic effects of low albedo surfaces are related to those of carbon dioxide emissions. The resulting positive climate forcing effect (cooling) then depends directly on the embodied energy, the absorption, and the efficiency of the system. This analysis favors high efficiency CPV, and even more so dual-use HCPVT systems, over low-efficiency flat panel and thin film technologies. The effect is most prominent in large low latitude cities, where urban heat islands and the subsequent demand for cooling negate positive effects of low-efficiency solar installations.

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Advanced liquid cooling in HCPVT systems to achieve higher energy efficiencies

Cited by 5 publications

References 9 publications

Photovoltaic and Photovoltaic Thermal Technologies for Refrigeration Purposes: An Overview

Photovoltaic and Photovoltaic Thermal Technologies for Refrigeration Purposes: An Overview

Monolithic interconnected modules (MIM) for high irradiance photovoltaic energy conversion: A comprehensive review

Ecological and economical advantages of efficient solar systems

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