EFFECT OF PADDY MOISTURE CONTENT, DRUM SPEED AND FEED RATE ON THE QUALITATIVE LOSSES IN A PADDY AXIAL FLOW –THRESHER

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KHODABAKHSHI POUR M.; ALIZADEH M.R.; BOLOUKI M.S.; GHASEMI A.

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Journal: Iranian Journal of Biosystems Engineering Year:2011 | Volume:42 | Issue:1 Page(s): 37-41

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Title

EFFECT OF PADDY MOISTURE CONTENT, DRUM SPEED AND FEED RATE ON THE QUALITATIVE LOSSES IN A PADDY AXIAL FLOW –THRESHER

Author(s)

KHODABAKHSHI POUR M. | ALIZADEH M.R. | BOLOUKI M.S. | GHASEMI A. | Issue Writer Certificate

Keywords

RICEQ2

THRESHINGQ2

AXIAL-FLOWQ2

CRACKED GRAIN LOSSQ2

BROKEN AND HUSKED GRAINQ2

Abstract

Since THRESHING is one of the most sensitive RICE post-harvest processing operations, this study was conducted to evaluate the THRESHING performance in axial - flow paddy thresher. Independent variables consisted of: drum speed at five levels (550, 650, 750 and 850 rpm), equivalent to peripheral velocities of: 14.67, 17.35, 20.01 and 22.37 m/s, respectively, paddy moisture content at two levels (16 and 20% w.b.) plus feed rate at two levels of: 12 and 20 kg/min. Dependent variables were: cracked, broken, and husked grains. The experiment was conducted as a split-split plot one based upon a Completely Randomized Design of three replications. With an increase in drum speed from 550 to 850 rpm, the mean CRACKED GRAIN LOSS increased from 6.137 to 8.557% at 20% moisture content and 20 kg/min of feed rate. The loss increased from 8.797 to 18.077% at 16% moisture content and 12 kg/min of feed rate. With an increase in drum speed from 550 rpm to 850 rpm the broken and dehulled grain quantities changed from 0.713 to 1.173% and from 0.823% to 1.447% respectively. The trend indicates the necessity of THRESHING in higher seed moisture contents, higher drum speeds as well as feed rates.

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APA: Copy

KHODABAKHSHI POUR, M., ALIZADEH, M.R., BOLOUKI, M.S., & GHASEMI, A.. (2011). EFFECT OF PADDY MOISTURE CONTENT, DRUM SPEED AND FEED RATE ON THE QUALITATIVE LOSSES IN A PADDY AXIAL FLOW –THRESHER. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 42(1), 37-41. SID. https://sid.ir/paper/144278/en

Vancouver: Copy

KHODABAKHSHI POUR M., ALIZADEH M.R., BOLOUKI M.S., GHASEMI A.. EFFECT OF PADDY MOISTURE CONTENT, DRUM SPEED AND FEED RATE ON THE QUALITATIVE LOSSES IN A PADDY AXIAL FLOW –THRESHER. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2011;42(1):37-41. Available from: https://sid.ir/paper/144278/en

IEEE: Copy

M. KHODABAKHSHI POUR, M.R. ALIZADEH, M.S. BOLOUKI, and A. GHASEMI, “EFFECT OF PADDY MOISTURE CONTENT, DRUM SPEED AND FEED RATE ON THE QUALITATIVE LOSSES IN A PADDY AXIAL FLOW –THRESHER,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 42, no. 1, pp. 37–41, 2011, [Online]. Available: https://sid.ir/paper/144278/en

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