จลนพลศาสตร์การอบแห้งมะม่วงด้วยเครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลม
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ม.ค. 30, 2020
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เครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลม มะม่วง แบบจำลอง ค่าสัมประสิทธิ์การแพร่ยังผลของความชื้น
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บทคัดย่อ
งานวิจัยนี้ได้นำเสนอจลนพลศาสตร์การอบแห้งแบบชั้นบางของมะม่วงด้วยเครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลม การอบแห้งดำเนินการในช่วงเวลาตั้งแต่ 08.00–18.00 น. ตัวอย่างในการทดลองเป็นมะม่วงพันธุ์มหาชนกสุกหั่นเป็นแผ่นบางมีความหนาประมาณ 5 มม. มีความชื้นเริ่มต้น 81.5% w.b. ทำการอบแห้งจนกระทั่งมวลของมะม่วงไม่มีการเปลี่ยนแปลง จากการทดลองพบว่าอัตราการอบแห้งมะม่วงเป็นแบบลดลงเพียงอย่างเดียว การอบแห้งมะม่วงด้วยเครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลมใช้ระยะเวลาอบแห้งน้อยกว่าการตากแดดธรรมชาติ นอกจากนี้ยังได้มีการทำนายอัตราส่วนความชื้นของการอบแห้งมะม่วงสุกด้วยแบบจำลองทางคณิตศาสตร์ของการอบแห้งชั้นบาง 8 แบบจำลอง โดยทำการวิเคราะห์ด้วยวิธีถดถอยแบบไม่เป็นเชิงเส้นตรง (Non-linear Regression) พบว่าแบบจำลองการอบแห้งชั้นบางของ Two-term สามารถทำนายผลการอบแห้งชั้นบางของมะม่วงด้วยเครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลมได้ดีที่สุด สำหรับค่าสัมประสิทธิ์การแพร่ยังผลของความชื้นของมะม่วงสุกที่อบแห้งด้วยเครื่องอบแห้งพลังงานรังสีอาทิตย์ชนิดอุโมงค์ลมมีค่าสูงกว่าการตากแดดธรรมชาติซึ่งคำนวณได้จากสมการการแพร่ของฟิค (Fick’s Diffusion) ด้วยวิธี Minimizing the Sum of Squares
Article Details
บท
บทความวิจัย ด้านวิศวกรรมศาสตร์
บทความที่ลงตีพิมพ์เป็นข้อคิดเห็นของผู้เขียนเท่านั้น
ผู้เขียนจะต้องเป็นผู้รับผิดชอบต่อผลทางกฎหมายใดๆ ที่อาจเกิดขึ้นจากบทความนั้น
References
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[18] O. R. Alara, N. H. Abdurahman, and O. A. Olalere, “Mathematical modelling and morphological properties of thin layer oven drying of Vernonia amygdalina leaves,” Journal of the Saudi Society of Agricultural Sciences, vol. 18, no. 3, pp. 309–315, 2019.
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[24] A. Yagcioglu, A. Degirmencioglu, and F. Cagatay, “Drying characteristic of laurel leaves under different conditions,” in Proceedings of the 7th International Congress on Agricultural Mechanization and Energy, Turkey, Adana, 1999, pp. 565–569.
[25] S. M. Henderson, “Progress in developing the thin layer drying equation,” Transactions of the ASAE, vol. 17, pp. 1167–1172, 1978.
[26] I. Doymaz, “Effect of dipping treatment on air drying of plums,” Journal of Food Engineering, vol. 64, pp. 465–470, 2004.
[27] E. K. Akpinar, A. Midilli, and Y. Bicer, “Single layer drying behavior of potato slices in a convective cyclone dryer and mathematical modelling,” Energy Conversion Management, vol. 44, pp. 1689–1705, 2003.
[28] J. Crank, The Mathematics of Diffusion, 2nd ed., London: Oxford University Press, 1975.
[29] K. B. Koua, W. F. Fassinou, P. G., and S. Toure, “Mathematical modelling of the thin layer solar drying of banana, mango and cassava,” Energy, vol. 34, pp. 1594–1602, 2009.
[30] D. Evin, “Thin layer drying kinetics of Gundelia tournefortii L.,” Food and Bioproducts Processing, vol. 90, no. 2, pp. 323–332, 2012.
[31] K. Sacilik, R. Keskin, and A. K. Elicin, “Mathematical modelling of solar tunnel drying of thin layer organic tomato,” Journal of Food Engineering, vol. 73, no. 3, pp. 231–238, 2006.
[32] S. Janjai, N. Lamlert, P. Intawee, B. Mahayothee, J. Müller, B. K. Bala, and M. Nagle, “Experimental and simulated performance of a PV-ventilated solar greenhouse dryer for drying of peeled longan and banana,” Solar Energy, vol. 83, no. 29, pp. 1550–1565, 2009.
[33] A. O. Dissa, D. J. Bathiebo, H. Desmorieux, O. Coulibaly, and J. Koulidiati, “Experimental characterisation and modelling of thin layer direct solar drying of Amelie and Brooks mangoes,” Energy, vol. 36, no. 5, pp. 2517–2527, 2011.
[34] I. Doymaz, “Evaluation of some thin-layer drying models of persimmon slices (Diospyros kaki L.),” Energy Conversion and Management, vol. 56, pp. 199–205, 2012.
[2] C. M. Ajila, K. A. Naidu, S. G. Bhat, and U. J. S. Prasada Rao, “Bioactive compounds and antioxidant potential of mango peel extract,” Food Chemistry, vol. 105, pp. 982–988, 2007.
[3] J. Wattanathorn, S. Muchimapura, S. Wittayaareekul, K. Ingkaninan, and N. Leelayuwat, “Screening the potential of Mangifera indica to protect and to increase the efficiency of brain functions,” Faculty of Medicine, Khon Kaen University, Khon Kaen, Rep. RDG5220005, 2009 (in Thai).
[4] W. Wang, M. Li, R. H. E. Hassanien, Y. Wang, and L. Yang, “Thermal performance of indirect forced convection solar dryer and kinetics analysis of mango,” Applied Thermal Engineering, vol. 134, pp. 310–321, 2018.
[5] Center for Agricultural Information. (2019 May). Thailand Foreign Agricultural Trade Statistics 2017, Office of Agricultural Economics, Bangkok, Thailand [Online]. Available: http://www.oae.go.th/assets/portals/1/files/jounal/2561/thailandtradestat2560.pdf (in Thai).
[6] S. Janjai, I. Masiri, S. Pattarapanitchai, and J. Laksanaboonsong, “Mapping Global solar radiation from long-term satellite data in the tropics using an improved model,” International Journal of Photoenergy, vol. 9, pp. 1–11, 2013.
[7] J. Jareanjit, “A solar dryer technology and its development,” KKU Research Journal, vol. 7, no. 1, pp. 110–124, 2012 (in Thai).
[8] M. A. Eltawil, M. M. Azam, and A. O. Alghannam, “Solar PV powered mixed-mode tunnel dryer for drying potato chips,” Renewable Energy, vol. 116, pp. 594–605, 2018.
[9] Department of Alternative Energy Development and Efficiency. (2019 March). Alternative Energy Development Plan: AEDP2015, Ministry of Energy, Bangkok, Thailand [Online]. Available: http://www.dede.go.th/download/files/AEDP2015_Final_version.pdf (in Thai).
[10] E. K. Akpinar and Y. Bicer, “Mathematical modelling of thin layer drying process of long green pepper in solar dryer and under open sun,” Energy Conversion and Management, vol. 49, no. 6, pp. 1367–1375, 2008.
[11] D. K. Rabha, P. Muthukumar, and C. Somayaji, “Energy and exergy analyses of the solar drying processes of ghost chilli pepper and ginger,” Renewable Energy, vol. 105, pp. 764–773, 2017.
[12] H. Essalhi, M. Benchrifa, R. Tadili, and M. N. Bargach, “Experimental and theoretical analysis of drying grapes under an indirect solar dryer and in open sun,” Innovative Food Science & Emerging Technologies, vol. 49, pp. 58–64, 2018.
[13] A. K. Karthikeyan and S. Murugavelh, “Thin layer drying kinetics and exergy analysis of turmeric (Curcuma longa) in a mixed mode forced convection solar tunnel dryer,” Renewable Energy, vol. 128, pp. 305–312, 2018.
[14] E. A. Mewa, M. W. Okoth, C. N. Kunyanga, and M. N. Rugiri, “Experimental evaluation of beef drying kinetics in a solar tunnel dryer,” Renewable Energy, vol. 139, pp. 235–241, 2019.
[15] L. M. Vargas-Rodríguez, J. E. Morales-Barrera, J. G. Herrera-Haro, J. Antonio-Bautista, R. López-Pozos, and D. Hernández-Sánchez, Official methods of analysis of association of official analytical chemists, 15th ed. Washington DC, 1990.
[16] S. Soponronnarit, “Drying of seeds and certain foods, 7th ed., Banhkok: King Mongkut’s Institute of Technology Thonburi, 1997 (in Thai).
[17] L. Blanco-Cano, A. Soria-Verdugo, L. M. Garcia-Gutierrez, and U. Ruiz-Rivas, “Modeling the thin-layer drying process of Granny Smith apples: Application in an indirect solar dryer,” Applied Thermal Engineering, vol. 108, pp. 1086–1094, 2016.
[18] O. R. Alara, N. H. Abdurahman, and O. A. Olalere, “Mathematical modelling and morphological properties of thin layer oven drying of Vernonia amygdalina leaves,” Journal of the Saudi Society of Agricultural Sciences, vol. 18, no. 3, pp. 309–315, 2019.
[19] B. K. Bala, Drying and Storage of Cereal Grains. New Delhi: Oxford and IBH Publishing Co., 1997.
[20] A. S. Mujumdar, Handbook of industrial drying, Marcel Dekker, New York, 1987.
[21] L. M. Diamante and P. A. Munro, “Mathematical modelling of the thin layer solar drying of sweet potato slices,” Solar Energy, vol. 51, no. 4, pp. 271–276, 1993.
[22] Q. Zhang and J. B. Litchfield, “An optimization of intermittent corn drying in a laboratory scale thin layer dryer,” Drying Technology, vol. 9, pp. 383–395, 1991.
[23] V. T. Karathanos, “Determination of water content of dried fruits by drying kinetics,” Journal of Food Engineering, vol. 39, pp. 337–344, 1999.
[24] A. Yagcioglu, A. Degirmencioglu, and F. Cagatay, “Drying characteristic of laurel leaves under different conditions,” in Proceedings of the 7th International Congress on Agricultural Mechanization and Energy, Turkey, Adana, 1999, pp. 565–569.
[25] S. M. Henderson, “Progress in developing the thin layer drying equation,” Transactions of the ASAE, vol. 17, pp. 1167–1172, 1978.
[26] I. Doymaz, “Effect of dipping treatment on air drying of plums,” Journal of Food Engineering, vol. 64, pp. 465–470, 2004.
[27] E. K. Akpinar, A. Midilli, and Y. Bicer, “Single layer drying behavior of potato slices in a convective cyclone dryer and mathematical modelling,” Energy Conversion Management, vol. 44, pp. 1689–1705, 2003.
[28] J. Crank, The Mathematics of Diffusion, 2nd ed., London: Oxford University Press, 1975.
[29] K. B. Koua, W. F. Fassinou, P. G., and S. Toure, “Mathematical modelling of the thin layer solar drying of banana, mango and cassava,” Energy, vol. 34, pp. 1594–1602, 2009.
[30] D. Evin, “Thin layer drying kinetics of Gundelia tournefortii L.,” Food and Bioproducts Processing, vol. 90, no. 2, pp. 323–332, 2012.
[31] K. Sacilik, R. Keskin, and A. K. Elicin, “Mathematical modelling of solar tunnel drying of thin layer organic tomato,” Journal of Food Engineering, vol. 73, no. 3, pp. 231–238, 2006.
[32] S. Janjai, N. Lamlert, P. Intawee, B. Mahayothee, J. Müller, B. K. Bala, and M. Nagle, “Experimental and simulated performance of a PV-ventilated solar greenhouse dryer for drying of peeled longan and banana,” Solar Energy, vol. 83, no. 29, pp. 1550–1565, 2009.
[33] A. O. Dissa, D. J. Bathiebo, H. Desmorieux, O. Coulibaly, and J. Koulidiati, “Experimental characterisation and modelling of thin layer direct solar drying of Amelie and Brooks mangoes,” Energy, vol. 36, no. 5, pp. 2517–2527, 2011.
[34] I. Doymaz, “Evaluation of some thin-layer drying models of persimmon slices (Diospyros kaki L.),” Energy Conversion and Management, vol. 56, pp. 199–205, 2012.