Current Volume 9
Abstract
In order to produce salted eggs sustainably, this study designed, built, and assessed a hybrid solar heat concentrator salted egg cooker that uses a Fresnel lens and an additional electric heating element. The suggested device was created to use less conventional fuel while producing steam effectively and cooking food of a satisfactory caliber. The device focused solar energy onto a cylindrical stainless-steel receiver that measured 24 cm in diameter and 29 cm in height using a 500 mm × 500 mm Fresnel lens with a 4–5 cm focal point. To increase heat absorption and lower thermal losses, the receiver was insulated with rockwool and painted matte black to withstand high temperatures. A 1500 W, 230 V a.c. auxiliary electric heating element. was placed underneath the receiver to support continuous heating. In addition, the device had gate valves, a cooking chamber for steam circulation, a pressure header, and a steam piping system. Using the combined effects of sun concentration and electric heating, experimental testing revealed that four liters of water inside the receiver achieved boiling condition in about thirty minutes. Before being discharged into the cooking chamber, the steam was stabilized in the pressure header for ten minutes. To adequately cook the salted eggs, the steaming procedure took about 45 minutes, thus the total operating time was around 1 hour and 25 minutes. The input of raw salted eggs were 60 pieces resulting with 60 pieces of cooked salted eggs interpreted as 100% efficiency under high setting of auxiliary electric heating element and proper position of focal spot. A weighted mean of 4.80, which indicates "Strongly Agree" for cooking quality, efficiency, and sustainability, was obtained from a survey of 20 respondents regarding the machine's acceptability. Excellent reliability was demonstrated by the questionnaire's Cronbach's Alpha coefficient of 0.97. The Hybrid Solar Heat Concentrator Salted Egg Cooker is perfect for small-scale production since it efficiently uses a hybrid renewable-electric heating technology to produce well-cooked salted eggs.
Keywords
Fresnel Lens, Solar Concentrator, Salted Egg Cooker, Steam Generation, Renewable Energy, Hybrid Solar Cooking, Auxiliary Electric Heating Element
Citations
IRE Journals:
Inigo, Jone B., Mejilla Hancel U., Surbano, Prince Russel L., Viscayno, Aaron James E. "Hybrid Solar Heat Concentrator Salted Egg Cooker" Iconic Research And Engineering Journals Volume 9 Issue 12 2026 Page 1552-1559 https://doi.org/10.64388/IREV9I12-1718882
IEEE:
Inigo, Jone B., Mejilla Hancel U., Surbano, Prince Russel L., Viscayno, Aaron James E.
"Hybrid Solar Heat Concentrator Salted Egg Cooker" Iconic Research And Engineering Journals, 9(12) https://doi.org/10.64388/IREV9I12-1718882
About IRE Journals
IRE Journals is an open access online journals established with an aim to publish high quality of research work in various diciplines. We have more than 6 years in publications. Over 2500+ papers already published.
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