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Title: An exergetic performance assessment of three different food driers
Authors: Hepbaşlı, Arif
Erbay, Zafer
Çolak, Neslihan
Hancıoğlu, Ebru
İçier, Filiz
Keywords: Drying
Exergy analysis
Fluid bed drier
Heat pump dryer
Performance evaluation
Tray drier
Publisher: SAGE Publications Inc.
Source: Hepbaşlı, A., Erbay, Z., Çolak, N., Hancıoğlu, E., and İçier, F. (2010). An exergetic performance assessment of three different food driers. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 224(1), 1-12. doi:10.1243/09576509JPE802
Abstract: In this study, plum slices were dried in three different driers (tray, fluid bed, and heat pump (HP) driers). Drying experiments were carried out at an air temperature range of 45-55 °C with an air velocity of 1.5 m/s. The performance of the driers along with their main components was evaluated and compared by using the exergy analysis method. The most important component for improving the system efficiency was determined to be the fan-heater combination for both the tray and fluid bed driers, and the motor-compressor assembly for the HP drier. The exergy loss and flow diagram (the so-called Grassmann diagram) of the driers was also presented to give quantitative information regarding the proportion of the exergy input dissipated in the various system components. Effects of the drying air temperature on the performance of the drying process were discussed. The highest exergetic efficiency values were obtained to range from 72.72 to 75.66 per cent for the HP drier, followed by the tray and fluid bed driers varying between 37.94 and 39.46 per cent, and between 22.83 and 24.07 per cent, respectively.
ISSN: 0957-6509
Appears in Collections:IZTECH Research Centers Collection / İYTE Araştırma Merkezleri Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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