THE EFFECT OF DRYING AIRFLOW RATES AND MODES OF DRYING ON MOISTURE CONTENT REDUCTION FOR GRAPES IN A CABINET TYPE SOLAR DRYER

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DADASHZADEH M.; ZOMORODIAN A.; MESBAHI GH.R.

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Journal: Journal of Horticultural Science Year:2008 | Volume:22 | Issue:1 Page(s): 23-34

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Information Journal Paper

Title

THE EFFECT OF DRYING AIRFLOW RATES AND MODES OF DRYING ON MOISTURE CONTENT REDUCTION FOR GRAPES IN A CABINET TYPE SOLAR DRYER

Author(s)

DADASHZADEH M. | ZOMORODIAN A. | MESBAHI GH.R. | Issue Writer Certificate

Keywords

SOLAR COLLECTORSQ3

MIX AND INDIRECT SOLAR DRYERQ3

THIN LAYERSQ3

Abstract

Sun drying is one of the most popular methods for agriculture product preservation. This research was mainly devoted to a nearly new approach for applying solar energy as the main source of energy for a cabinet solar dryer. This active solar dryer can be applied in two different modes namely indirect and mixed for drying fruit. For evaluating this solar dryer, grape was selected for drying in THIN LAYERS. In this research the effect of air flow rates and different modes of drying were investigated on moisture reduction trend for grapes. Uniformity of drying processes on trays was also evaluated. Tree levels of air flow rates (0.085, 0.126 and 0.171 m3/s), two modes of drying processes (indirect and mixed), five sampling spots on the lower tray, three samples on the upper tray and two samples on the trays were selected. The solar dryer was tested in Sep. and Oct. in agriculture engineering dept. Shiraz University. ASKARI (KHALILI) cultivar grape with an average initial moisture content of 78% (wb) was chosen. The moisture content of the products was reduced to an average of 15% (wb) within 4-5 day each from 10 to 16 o’clock with an average solar intensity of 870W/m2. Statistical analysis showed that both airflow rate and mode of drying application were significantly affecting the rate of moisture removal from the products. Uniformity of the dried products on the trays was also proved but the average moisture content of the grapes was significantly different.

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APA: Copy

DADASHZADEH, M., ZOMORODIAN, A., & MESBAHI, GH.R.. (2008). THE EFFECT OF DRYING AIRFLOW RATES AND MODES OF DRYING ON MOISTURE CONTENT REDUCTION FOR GRAPES IN A CABINET TYPE SOLAR DRYER. JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY), 22(1), 23-34. SID. https://sid.ir/paper/142233/en

Vancouver: Copy

DADASHZADEH M., ZOMORODIAN A., MESBAHI GH.R.. THE EFFECT OF DRYING AIRFLOW RATES AND MODES OF DRYING ON MOISTURE CONTENT REDUCTION FOR GRAPES IN A CABINET TYPE SOLAR DRYER. JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2008;22(1):23-34. Available from: https://sid.ir/paper/142233/en

IEEE: Copy

M. DADASHZADEH, A. ZOMORODIAN, and GH.R. MESBAHI, “THE EFFECT OF DRYING AIRFLOW RATES AND MODES OF DRYING ON MOISTURE CONTENT REDUCTION FOR GRAPES IN A CABINET TYPE SOLAR DRYER,” JOURNAL OF HORTICULTURE SCIENCE (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 22, no. 1, pp. 23–34, 2008, [Online]. Available: https://sid.ir/paper/142233/en

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