MATHEMATICAL MODELING OF REAR LOSS BASED ON FEED RATE AND THRESHER DRUM SPEED IN JOHN DEERE 1165 COMBINE

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NAVID H.; BEHROUZILAR M.; MOHTASEBI S.S.; SOHRABI MAHMOUD

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:16 | Issue:2 Page(s): 277-284

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Information Journal Paper

Title

MATHEMATICAL MODELING OF REAR LOSS BASED ON FEED RATE AND THRESHER DRUM SPEED IN JOHN DEERE 1165 COMBINE

Author(s)

NAVID H. | BEHROUZILAR M. | MOHTASEBI S.S. | SOHRABI MAHMOUD | Issue Writer Certificate

Keywords

COMBINE LOSSQ3

MATHEMATICAL MODELQ3

SEPARATING LOSSQ3

THRESHING LOSSQ3

Abstract

New combines have a high performance. The combine performance characteristics are related to threshing ability, minimum amount of loss and fuel consumption. Loss is divided into preharvest loss, head loss, THRESHING LOSS, SEPARATING LOSS and quality loss (In this paper, the sum of threshing, separating and cleaning losses are called as rear loss). Describing different processes by MATHEMATICAL MODELs is the first step in identification and minimization of COMBINE LOSSes. Two important factors which affect combine field capacity are: the through put (feed rate) which is the function of combine speed and crop yield, and the thresher speed which is function of thresher drum rpm and its dimensions. The experiment was carried out as factorial, using randomized complete block design with three replications. The experiments consisted of two factors (each in three levels): grain flow rate and thresher speed. During the test, rear loss was measured. Results indicated that the effect of both factors on rear loss were significant at 1% probability levels. Using of multiple-nonlinear regression, the fallowing model was evaluated in terms of grain flow rate and threshing speed. Loss% = a1,+a2a3e xa2+ya2 where a1=3.053, a2=-0.036, a3=0.199 were constant coefficients and x and y are grain flow rate and thresher drum speed, respectively. Regression analysis of variance showed that this model mas significant at 5% probability level.

Cites

EFFECT OF DESIGN PARAMETERS ON SEPARATION OF GRAIN IN THRESHER TO MINIMIZE SEPARATION LOSS OF COMBINE

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APA: Copy

NAVID, H., BEHROUZILAR, M., MOHTASEBI, S.S., & SOHRABI, MAHMOUD. (2006). MATHEMATICAL MODELING OF REAR LOSS BASED ON FEED RATE AND THRESHER DRUM SPEED IN JOHN DEERE 1165 COMBINE. JOURNAL OF AGRICULTURAL KNOWLEDGE, 16(2), 277-284. SID. https://sid.ir/paper/29040/en

Vancouver: Copy

NAVID H., BEHROUZILAR M., MOHTASEBI S.S., SOHRABI MAHMOUD. MATHEMATICAL MODELING OF REAR LOSS BASED ON FEED RATE AND THRESHER DRUM SPEED IN JOHN DEERE 1165 COMBINE. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;16(2):277-284. Available from: https://sid.ir/paper/29040/en

IEEE: Copy

H. NAVID, M. BEHROUZILAR, S.S. MOHTASEBI, and MAHMOUD SOHRABI, “MATHEMATICAL MODELING OF REAR LOSS BASED ON FEED RATE AND THRESHER DRUM SPEED IN JOHN DEERE 1165 COMBINE,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 16, no. 2, pp. 277–284, 2006, [Online]. Available: https://sid.ir/paper/29040/en

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