Recent progress on solar cabinet dryers for agricultural products equipped with energy storage using phase change materials

Jahromi, Mohammad Saleh Barghi; Kalantar, Vali; Akhijahani, Hadi Samimi; Kargarsharifabad, Hadi

doi:10.1016/j.est.2022.104434

Cited by 29 publications

(6 citation statements)

References 110 publications

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“…Consequently, the angle of incidence was given by Eq. (10) where θz is the zenith angle with declination being δ, and the hour angle given by ω. Eq. (11) gives the slope of the collector surface where the surface azimuth is given by γ while the solar azimuth angle is given by γs [36].…”

Section: Solar Thermal Plant Design and Analysismentioning

confidence: 99%

“…Solar energy is one of the clean and renewable sources of alternative energy available in abundance which is theoretically capable of meeting the global energy demands and is envisaged to meet the future energy needs [6][7][8][9]. This energy source can be harvested in different forms with major classifications being solar thermal and solar photovoltaics (PVs) [10]. Solar thermal collectors are employed to convert solar irradiance into heat while solar PV collectors convert solar irradiance into electrical energy [7,11].…”

Section: Introductionmentioning

confidence: 99%

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Comparative Numerical Energy and Performance Analysis of Solar Photovoltaic and Solar Thermal Power Generation

Kudzanayi Chiteka,

Rajesh Arora,

Christopher C. Enweremadu

2024

ARFMTS

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This study analyses fixed and tracking solar photovoltaics and, solar thermal power. Performance in different locations was analysed for each configuration and technology using simulations based on a Typical Meteorological Year data. The study analysed a 25MWp solar photovoltaic and solar thermal power plants in each of the eleven selected locations in Zimbabwe. The performance of the solar photovoltaic and solar thermal power plants under different meteorological variables were assessed for all the selected locations. It was shown that different configurations together with different technologies have different conversion efficiencies. A high solar thermal conversion efficiency was found to be 18.718% in Gweru while it was 15.502% for solar photovoltaics in Mutare. The study also showed that highest insolation and clearness index values were found in Gweru. The average energy generated by the fixed photovoltaic collectors, tracking photovoltaic collectors and the Concentrating Solar Power plant were respectively 47.38GWh, 68.18GWh and 192.86GWh. There was a maximum percentage difference in the LCoE generated of 32.03% between the fixed PV collectors and the Concentrating Solar Power plant and a difference of 4.74% was realised between the tracking photovoltaics and Concentration Solar Power.

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Section: Solar Thermal Plant Design and Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative Numerical Energy and Performance Analysis of Solar Photovoltaic and Solar Thermal Power Generation

Kudzanayi Chiteka,

Rajesh Arora,

Christopher C. Enweremadu

2024

ARFMTS

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“…In many impoverished nations, inadequate thermal energy systems and TES lead to substantial food and grain losses, particularly during the harvest season. Additionally, the shrinkage process during drying reduces the volume of food and agricultural products, resulting in lower shipping costs [57].…”

Section: Thermal Energy Storage (Tes)mentioning

confidence: 99%

“…For LHS systems, a high power capacity is essential for both energy charging and discharging [59]. Comparing latent heat storage (LHS) to sensible heat storage (SHS), LHS has several advantages over SHS, including maintaining a nearly constant average temperature during energy absorption and diffusion, higher energy densities in phase change storages, 5-14 times more latent heat storage than sensible heat per unit volume, and a significant thermal storage capacity per unit mass and volume for small temperature differences [57]. Extensive research has been carried out on indirect-type solar dryers combined with thermal energy storage (TES) units, biogas units, fossil fuel heaters, and electric heaters.…”

Section: Thermal Energy Storage (Tes)mentioning

confidence: 99%

Review of recent advancement in performance, and thermal energy storage studies on indirect solar dryers for agricultural products.

Shekata,

Tibba,

Baheta

2023

IOP Conf. Ser.: Mater. Sci. Eng.

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Efficient drying methods and post-harvest processes are crucial to reduce waste in fruits, vegetables, and agricultural products. Factors like moisture-related deterioration, climate change, mishandling, delayed shipping, improper storage, and sales delays contribute to post-harvest losses and quality degradation. Solar dryers, especially indirect-type solar dryers, provide a practical and environmentally friendly way to preserve these goods. In comparison to other types of solar dryers, indirect-type dryers have a number of advantages. This review focuses on evaluating the performance of different configurations of Indirect-type solar dryers in terms of drying time, maximum air temperature, drying efficiency for collectors, and overall dryer efficiency. The influence of various operating conditions on the thermal efficiency of Indirect-type solar dryers is also investigated. The study provides detailed information on the sensible and latent storage units and materials used in Indirect-type solar dryers, including those operating through natural or forced convection. The review also explores the utilization of advanced technologies, such as desiccant systems, recycling processes, the use of Nano fluids and nanoparticles, and thermal energy storage, to enhance the thermal performance of solar dryers. Additionally, the paper examines potential difficulties and suggestions for selecting, using, and testing thermal storage for indirect-type solar dryers. In summary, this review provides a comprehensive examination of indirect-type solar dryers, and their performance. It highlights the potential for improving drying efficiency through the integration of advanced technologies and thermal energy storage.

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“…La mayoría de los países en desarrollo utilizan el método tradicionalmente conocido de secado al aire libre para secar los cultivos. El secado al sol al aire libre es el método más barato y sencillo de secar productos agrícolas como verduras, frutas, cereales, tabaco, madera, etc., extendiéndolos en el suelo y mezclándolos regularmente hasta que estén suficientemente deshidratados (Barghi Jahromi et al, 2022). Sin embargo, aunque el secado al sol al aire libre requiere poco capital y mano de obra, tiene una enorme limitación en la calidad de los productos (Alimohammadi et al, 2020).…”

Section: Introductionunclassified

Importancia Del CFD en El Diseño De Deshidratadores Solares Eficientes Y Sostenibles Para Frutas: Una Revisión Sistemática

Paucarchuco Soto,

Montalvo Morales,

Paucar Vega

et al. 2023

ASI

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Entre los mecanismos de conservación poscosecha, los secadores solares se reportan como sistemas de conservación sostenibles y adecuados para las frutas. Este artículo resume los avances, oportunidades y desafíos recientes en el secado solar de frutas. Además, la revisión analiza los modelos matemáticos comúnmente utilizados para la evaluación, diseño y optimización de secadores solares. Para la revisión sistemática, se empleó las bases de datos (Scopus, Scielo y Science Direct), siguiendo la directriz PRISMA, el cual ayudo a realizar el análisis bibliométrico y a identificar los artículos más relevantes de los últimos 5 años (25 artículos analizados). También se empleó el software Vosviewer para poder visualizar conexiones y mapas de conocimiento científico. Llegando a destacar la importancia de las condiciones de simulación, características del modelamiento matemático y materiales de construcción en el diseño de deshidratadores solares más eficientes y sustentables. Además, se mencionan algunos resultados específicos, como la eficiencia térmica de un deshidratador solar indirecto y valores óptimos de la temperatura y humedad en un modelo predictivo. También se han producido inmensos resultados de investigación utilizando CFD basado en la transferencia de masa y calor a nivel micro. El modelado CFD a nivel micro indica que el modelado y las simulaciones se realizaron a nivel de frutas, sin considerar el rendimiento del secador solar. Sin embargo, el rendimiento de un secador solar tiene un efecto enorme en la velocidad y la cinética del secado y, en consecuencia, determina la calidad del producto.

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Recent progress on solar cabinet dryers for agricultural products equipped with energy storage using phase change materials

Cited by 29 publications

References 110 publications

Comparative Numerical Energy and Performance Analysis of Solar Photovoltaic and Solar Thermal Power Generation

Comparative Numerical Energy and Performance Analysis of Solar Photovoltaic and Solar Thermal Power Generation

Review of recent advancement in performance, and thermal energy storage studies on indirect solar dryers for agricultural products.

Importancia Del CFD en El Diseño De Deshidratadores Solares Eficientes Y Sostenibles Para Frutas: Una Revisión Sistemática

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