Effect of Tube Ice Thickness on Energy Consumption in Tube Ice Production Using Thermodynamic Model
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Abstract
This research article analyzes the effect of tube ice thickness on duration and energy consumption in the freezing process for tube ice production, employing thermodynamic models based on mass and energy balance principles. Thermal simulations using the successive substitution method were calculated in MATLAB, demonstrating a 3.75% error compared to the actual process. The results show that the freezing duration varies with the required ice thickness. In addition, ice thickness significantly influences specific heat energy consumption (SECH) and specific electrical energy consumption (SECE). The case study reveals that as ice thickness increases, SECH rises due to the thermal insulation properties of the ice, which impedes heat transfer and slows ice formation. This results in a decreased cooling load and, consequently, a reduction in electrical energy efficiency. However, when the ice thickness reaches 12.24 mm, the rate of thickness formation accelerates, indicating an improvement in electrical energy efficiency. The study concludes that SECE is a critical parameter that reflects the combined effect of the average electrical energy consumption rate and the ice formation thickness rate, thus representing the characteristics of the ice-making machine. These findings provide a basis for optimizing electrical energy efficiency by controlling ice thickness, with potential implications for cost savings and enhanced sustainability in tube ice production.
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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