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http://dx.doi.org/10.22788/5.2.6

A Study on Real-Time Monitoring for Moisture Measurement of Organic Samples inside a Drying Oven using Arduino Based on Open-Source  

Kim, Jeong-hun (Hoseo University)
Publication Information
Journal of Venture Innovation / v.5, no.2, 2022 , pp. 85-99 More about this Journal
Abstract
Dryers becoming commercially available for experimental and industrial use are classified to general drying oven, hot-air dryer, vacuum dryer, freezing dryer, etc. and kinds of them are various from the function, size and volume, etc. But the moisture measurement is not applied although it is important factor for the quality control and the performance improvement of products, and then now is very passive because the weight is weighed arbitrarily after dry-end. Generally the method for measuring moisture is divided by a direct measurement method and a indirect measurement method, and the former such as the change of weight or volume on the front and rear of separation of moisture, etc. is mainly used. Relatively a indirect measurement is very limited to apply due to utilize measurement apparatuses using temperature conductivity and micro-wave etc. In this research, we easily designed the moisture measurement system using the open-source based Arduino, and monitored moisture fluctuations and weight profiles in the real-time without the effect of external environment. Concretely the temperature-humidity and load cell sensors were packaged into a drying oven and the various change values were measured, and their sensors capable to operate 60℃ and 80℃ were selected to suitable for the moisture sensitive materials and the food dry. And also the performance safety using the organic samples of banana, pear, sawdust could be secured because the changes of evaporation rate as the dry time and temperature, and the measurement values of load cell appeared stable response characteristics through repeated experiments. Hereafter we judge that the reliability can be improved increasingly through the expansion of temperature-humidity range and the comparative analysis with CFD(Computational Fluid Dynamics) program.
Keywords
drying oven; Arduino; organic sample; moisture measurement; evaporation rate; temperature-humidity; load cell;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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