Performance of two solar cooking storage pots using parabolic dish solar concentrators during solar and storage cooking periods with different heating loads

Mawire, Ashmore; Lentswe, Katlego; Owusu, Prince

doi:10.1016/j.rineng.2022.100336

Cited by 31 publications

(12 citation statements)

References 31 publications

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“…Solar energy is the most popularly used renewable energy. Many devices, such as cookers, distillations, water heaters, and air heaters, effectively run on solar power (Mawire et al, 2022). Some researchers have also implemented solar energy for EO extraction.…”

Section: Solar Energy‐driven Hydrodistillation Technique For Eo Extra...mentioning

confidence: 99%

A cutting‐edge assessment of recent advancements in essential oils extraction technologies for energy and ecological sustainability: A comprehensive review

Katekar

Rao

Sardeshpande

2023

J Food Process Engineering

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Hydrodistillation (HD) systems have been popular for essential oils extraction from medicinal and aromatic plants for several decades. Nevertheless, they substantially consume thermal or electrical energy and have a visible carbon footprint on the environment. This article describes a state‐of‐the‐art review of the HD systems used for essential oil extraction to examine their effectiveness. From this study, it has been found that, for a microwave‐assisted system, the yield of an essential oil varies from 0.079% to 8.62%. The microwave‐assisted hydrodistillation (MAHD) system yields 32% more than a conventional HD system. The average extraction time saved using the MAHD system is 67.17% compared with the traditional one. Ohmic‐assisted HD system is better than the microwave‐assisted and conventional HD system, with an 18.04% enhancement in the yield. During this study, it is also investigated that for the distillation system operating at atmospheric pressure, the extraction temperature ranges from 80°C to 120°C. This temperature can easily be attained in a solar hydrodistillation system. Several investigators have demonstrated the use of solar energy for essential oil extraction. However, these systems mostly use a concentrating collector, henceforth found bulky and expensive.

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Section: Solar Energy‐driven Hydrodistillation Technique For Eo Extra...mentioning

confidence: 99%

A cutting‐edge assessment of recent advancements in essential oils extraction technologies for energy and ecological sustainability: A comprehensive review

Katekar

Rao

Sardeshpande

2023

J Food Process Engineering

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“…In their quest to improve traditional phase change materials (PCM) used for thermal energy storage, they introduced nano-mixed phase change materials as thermal energy storage medium which had better thermal properties and is a good alternative to the conventional solar cookers with well-known PCM and those without thermal energy storage. In a comparative study Mawire et al in (34) compared two parabolic solar cookers whose cooking pot pores are filled with erythritol and sunflower oil thermal energy storage materials. The pot with sunflower oil showed marginally higher storage efficiency of between 3.2-4.4% compared with the erythritol filled pot of 2.5-3.9% when water was used as the cooking load.…”

Section: Introductionmentioning

confidence: 99%

Design, Construction, and Performance Testing of a Collapsible Parabolic Dish Solar Cooker for Temperature Control

Mwinisin,

Yeboah,

Annin

2024

ECS Trans.

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This paper proposes solar energy as a viable alternative to biomass fuels for cooking, introducing a collapsible parabolic solar cooker designed to regulate heat production. The collector is divided into three sectors, with a specific condition for effective convergence of reflected radiation. The total concentration ratio is 89.4, with the primary sector covering 42%, while sectors 2 and 3 occupy 29% each. In the analysis ASAE protocol was employed. The results obtained from the ASAE S580.1 test revealed a range of cooking power values, with a minimum of 215.5 W and a maximum of 280.9 W. The single measure of performance of the cooker was gauged at 234.17 W. Regarding the Standard Stagnation Temperature, it was observed that a reduction of the collector area by 0.343݉ଶ resulted in a temperature decrease of 59.5℃. The highest recorded SST for the entire solar cooker (when all three sectors were expanded) reached 279℃.

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“…Their cooking system proved to cook with different cooking methods using respective cooking vessels throughout the day. Mawire et al 16 evaluated the performance of the cooking pots with thermal energy storage with variable cooking loads. They reported that the storage efficiency of sunflower pot was more than the erythritol pot, whereas the heat utilization efficiencies for heating water was more than heating sunflower oil in both storage pots.…”

Section: Introductionmentioning

confidence: 99%

Energy, exergy and exergoeconomic (3E's) analysis of simmering type cooking using evacuated tube collector

Chaudhary¹,

Mehla

Kumar

et al. 2023

Env Prog and Sustain Energy

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A solar cooking system is investigated for the simmering type of cooking using slow heating cooking pot (SHCP) and evacuated tube collector (EVTC). The thermic oil used as heat transfer fluid (HTF) is utilized to convey heat from the solar collector to SHCP. Indian cuisine items like Khoa and Kheer are cooked by using simmering method of cooking. The cooking load is varied from 1 to 2.5 L for khoa preparation and 2 to 2.8 L load is varied for kheer preparation. The cooking is done by utilizing the thermal energy of thermic oil flowing inside the SHCP and its average energy and exergy efficiency is evaluated which varies from $0.20 to around 0.30 and 0.15 to 0.20, respectively. The payback period of the presented solar cooking system is 3.45 years.

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Performance of two solar cooking storage pots using parabolic dish solar concentrators during solar and storage cooking periods with different heating loads

Cited by 31 publications

References 31 publications

A cutting‐edge assessment of recent advancements in essential oils extraction technologies for energy and ecological sustainability: A comprehensive review

A cutting‐edge assessment of recent advancements in essential oils extraction technologies for energy and ecological sustainability: A comprehensive review

Design, Construction, and Performance Testing of a Collapsible Parabolic Dish Solar Cooker for Temperature Control

Energy, exergy and exergoeconomic (3E's) analysis of simmering type cooking using evacuated tube collector

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