Sauna Technique, Drying Kinetic Modeling and Effectiveness on Solar Drying Compared with Direct Drying in Drying Process of Kappaphycus striatum in Selakan Island MalaysiaReportar como inadecuado




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A sauna drying technique—the solar drier was designed and imposed, constructed and tested for drying of seaweed. The seaweed moisture content was decreased around 50% in 2-day sauna. Kinetic curves of drying of seaweed were known to be used in this system. The non-linear regression procedure was used to fit three different drying models. The models were compared with experimental data of red seaweed being dried on the daily average of air temperature about 40℃. The fit quality of the models was evaluated using the coefficient of determination R2, Mean Bias Error MBE and Root Mean Square Error RMSE. The highest values of R2 0.99027, the lowest MBE 0.00044 and RMSE 0.03039 indicated that the Page model was the best mathematical model to describe the drying behavior of sauna dried seaweed. The percentage of the saved time using this technique was calculated at 57.9% on the average solar radiation of about 500 W-m2 and air flow rate of 0.056 kg-s.

KEYWORDS

Mathematical Modeling, Sauna Technique, Drying Curve, Moisture Content, Seaweed, Kappaphycus striatum

Cite this paper

Ali, M. , Fudholi, A. , Sulaiman, J. , Ruslan, M. and Yasir, S. 2014 Sauna Technique, Drying Kinetic Modeling and Effectiveness on Solar Drying Compared with Direct Drying in Drying Process of Kappaphycus striatum in Selakan Island Malaysia. Energy and Power Engineering, 6, 303-315. doi: 10.4236-epe.2014.69026.





Autor: Majid Khan Majahar Ali1, Ahmad Fudholi2, Jumat Sulaiman1, Mohd Hafidz Ruslan2, Suhaimi Md. Yasir3

Fuente: http://www.scirp.org/



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