Energy and economic assessment of a solar air-conditioning process for thermal comfort requirements

Bouhal, T.; Aqachmar, Zineb; Kousksou, T.; Rhafiki, T. El; Jamil, A.; Zéraouli, Y.

doi:10.1016/j.solener.2020.07.045

Cited by 11 publications

(2 citation statements)

References 25 publications

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“…Consequently, substantial efforts are in progress aimed at improving exploitation and conversion technologies of renewable energy resources. Solar energy, being one of such resources with universal availability and accessibility, is currently being practically exploited for electricity generation using the photovoltaic (PV) and concentrated solar power (CSP) technologies, 2 but also other applications, such as feeding air‐conditioning systems, 3 heating water in thermal solar systems 4 and solar green houses, 5 are being explored towards efficient exploitation of this renewable source. While PV systems convert solar irradiation directly to electricity for immediate applications, they are limited in the use of solar energy in the thermal form 6 .…”

Section: Introductionmentioning

confidence: 99%

Thermocline vs. two‐tank direct thermal storage system for concentrating solar power plants: A comparative techno‐economic assessment

Cascetta

Petrollese

Oyekale

et al. 2021

Intl J of Energy Research

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This paper concerns the ongoing studies on a Concentrated Solar Power (CSP) plant in operation in Ottana (Italy), comprising a 629 kW organic Rankine cycle (ORC) unit fed by a linear Fresnel solar field. Hexamethyldisiloxane (MM) and "Therminol SP-I" are used respectively as ORC working fluid and heat transfer fluid in the solar receivers. A two-tank direct Thermal Energy Storage (TES) system is currently integrated in the CSP plant, serving as a direct interface between solar field and ORC. With the view of improving the solar facility, two alternative TES configurations were proposed in this study: a one-tank packed-bed TES system using silica as solid storage media and another similar one including encapsulated phase-change material (molten salt). Comprehensive mathematical models were developed for simulating daily behaviour as well as for assessing yearly performance of the various TES technologies. Furthermore, a preliminary economic analysis was carried out. Results showed poorer response of the one-tank TES system to large fluctuations in the ORC inlet fluid temperature, leading to reduction in the mean ORC efficiency (18.2% as against 19.7% obtained with the two-tank TES). Conversely, higher energy storage density and lower thermal losses were obtained adopting the one-tank TES, resulting in about 5% more annual solar energy yield. Invariably, equivalent annual ORC energy production of 0.92 GWh/year was obtained for the three TES configurations. Additionally, adopting a onetank TES system meant that the purchase costs of a second tank and its storage medium (thermal oil) could be saved, resulting in investment costs about 45% lower and, ultimately, levelized cost of storage about 48% lower than what obtains in the two-tank TES system.

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Section: Introductionmentioning

confidence: 99%

Thermocline vs. two‐tank direct thermal storage system for concentrating solar power plants: A comparative techno‐economic assessment

Cascetta

Petrollese

Oyekale

et al. 2021

Intl J of Energy Research

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“…For applications, the DEC was configured with both solar air collectors and PV/T [5]. The energy efficiency and economic assessment of solar air-conditioning by absorption chiller applied to the building sector was examined [6]. The biggest obstacle to solar energy investments is factors such as the initial investment cost and financial risks [7].…”

Section: Introductionmentioning

confidence: 99%

Investigation of The Effect of Pv Panel Efficiency Parameter on Investment Payback Period

Benli

Gürtürk

2021

International Journal of Innovative Engineering Applications

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Original scientific paperThe importance of solar energy is increasing due to climate change and similar reasons. However, the biggest barriers to solar energy investments are the high initial investment cost and the long investment payback period. In this study, the effects of technological developments in the investment payback period are examined. It has been investigated how the increase in PV panel efficiency affects the investment payback period of solar energy systems. The annual average profit, the daily gain to be obtained according to the different PV panel efficiency values are calculated, and the effect of different PV panel efficiency values on the investment payback period of 1 MW PV power plant has been investigated. Levelized cost analysis has been used in this study. In the future, it has been found that the payback period of 1 MW PV power plants may be less than 3 years if high-efficiency PV panels take their place in the market.

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Thermal analysis of a solar-powered absorption air-conditioning system: Case study for a tent in Mina zone, Saudi Arabia

Aljuhani

Dayem

2022

Cleaner Engineering and Technology

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Energy and economic assessment of a solar air-conditioning process for thermal comfort requirements

Cited by 11 publications

References 25 publications

Thermocline vs. two‐tank direct thermal storage system for concentrating solar power plants: A comparative techno‐economic assessment

Thermocline vs. two‐tank direct thermal storage system for concentrating solar power plants: A comparative techno‐economic assessment

Investigation of The Effect of Pv Panel Efficiency Parameter on Investment Payback Period

Thermal analysis of a solar-powered absorption air-conditioning system: Case study for a tent in Mina zone, Saudi Arabia

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