Results of numerical modeling of the process of harvesting the seeds of flax by a harvester of the stripping type

Kozachenko, Olecsiy; Pakhuchyi, Andrii; Shkregal, Olexander; D’yakonov, S. G.; Blaznyuk, Oleg; Kadenko, Volodymyr

doi:10.15587/1729-4061.2019.169664

Cited by 2 publications

(4 citation statements)

References 2 publications

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“…The results of our experimental study confirm basic theoretical provisions formulated by us in [10][11][12][13][14] regarding the impact exerted on the mass fraction of the discharge of husk and stem particles from the region of the reaping machine δ h , the mass fraction of the discharge of seeds and capsules with seeds from the region of the reaping machine δ s .…”

Section: Discussion Of Results Of Experimental Substantiation Of еру ...supporting

confidence: 87%

“…This primarily applies to taking into consideration the properties of the harvested object, the sequence of its interaction with the working bodies of the device, the structural-mode parameters of the reaping machine, and the parameters of the related processes in its area. This very approach was implemented in works [10][11][12][13][14]. Theoretical studies have established the effect exerted on the process of harvesting oil flax by the developed reaping machine of the comb type by the structural and regime parameters, plant properties, and the components of the combed heap.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…The differential equation suggested in the cited study was used to analyze the movement of the components of a combed heap over the surface of the comb of the device depending on the mode parameters of the comb drum of the reaping machine. A theoretical study reported in [14] established the impact of the structural and regime parameters on the formation of airflow and maximum speed in its area, which led to the determining the rational shape of the casing and the position of the air grate for the discharge of light impurities. In the numerical modeling of the processes of the separation of the components of a combed heap in the region of a reaping machine with the curved shape of the casing, the authors took into consideration their physical and mechanical properties.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

“…Given the results of the analysis reported in works [10][11][12][13][14][15], based on the technological parameters of the harvester operation, the influence of the structural and regime parameters of a reaping machine and the physical and mechanical properties of the stem mass, as well as an oil flax heap, there is reason to consider it appropriate to conduct experimental research into the rational parameters of the combing reaping machine for harvesting oil flax seeds.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

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Experimental substantiation of the rational parameters for a reaping machine of the comb type for harvesting oil flax seeds

Kozachenko¹,

Pakhuchyi²,

Shkregal³

et al. 2020

EEJET

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This paper reports the results of the experimental study to substantiate the rational structural and regime parameters of a two-drum reaping machine for harvesting flax oilseeds by the method of combing plants on the root.We have confirmed the results of the preliminary mathematical modeling of the process of separating a combed heap in the reaping machine with a predefined curved shape of the casing. An experimental study of the heap separation process in a reaping machine has established the dependence of the mass fraction of the discharge of husk and stem particles from its region δ h , the proportion of the release of seeds and capsules with seeds δ h, and the consumed power P, on the rotation frequency of the beater-reflector n 1 , and the combing drum n 2 , the position of the air grate L and its width B. The following structural-mode parameters of the combtype reaping machine for harvesting oil flax seeds have been defined as the most significant ones: the rotation frequency of the beater-reflector, n 1 = 892 rpm; the rotation frequency of the comb drum, n 2 = 652 rpm; the position of the air grate, L = 0.62 m, and its width, B = 0.56 m. In this case, the mass fraction of the discharge of husk and stem particles is δ h = 47.5 %, the share of the loss of seeds and capsules with seeds from the reaping machine is, respectively, δ h = 2.1 %, and the power consumed to perform the process is P = 2.7 kW. The statistical analysis has demonstrated that the correlation coefficient between the theoretical and experimental data is 0.88-0.95; a relative error in the optimal values is 4.6 %. The actual and statistical comparison of the theoretical and experimental data has confirmed the adequacy of the mathematical models built as a result of the theoretical research. Based on the results of our experimental research, one can argue about the usefulness of their application for engineering calculations when designing new technical means for harvesting crops by the method of combing plants on the root Keywords: combing reaping machine, technology of combing plants on the root, oil flax, optimal structural-mode parameters

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Section: Discussion Of Results Of Experimental Substantiation Of еру ...supporting

confidence: 87%

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Section: Literature Review and Problem Statementmentioning

confidence: 99%

See 2 more Smart Citations

Experimental substantiation of the rational parameters for a reaping machine of the comb type for harvesting oil flax seeds

Kozachenko¹,

Pakhuchyi²,

Shkregal³

et al. 2020

EEJET

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Investigation of the separation of combed heap of winter wheat

Lezhenkin

Halko

Miroshnyk

et al. 2021

J. Phys.: Conf. Ser.

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The article deals with the problem of separation of combed heap of winter wheat with an experimental working unit consisting of a segregator and a sieve. In order to expand the range of information on the qualitative side of the functioning of the working unit, it is suggested to introduce an additional assessment parameter – the impurity separation efficiency coefficient. Experimental studies of the technological process of the working unit were carried out using the mathematical theory of experimental design, where the response function was represented by the functional dependence of the change in the impurity separation efficiency coefficient on the specific feed of the combed heap, the oscillation frequency of the working unit and the diameter of the sieve openings. To conduct the experimental studies, the Box-Behnken design was selected. Verification of the significance of the obtained coefficients according to Student’s t-test showed that all the coefficients were significant. The adequacy of the model was assessed according to Fisher’s test. As a result of the calculations, it was established that the model was adequate and could be used for further research.

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Results of numerical modeling of the process of harvesting the seeds of flax by a harvester of the stripping type

Cited by 2 publications

References 2 publications

Experimental substantiation of the rational parameters for a reaping machine of the comb type for harvesting oil flax seeds

Experimental substantiation of the rational parameters for a reaping machine of the comb type for harvesting oil flax seeds

Investigation of the separation of combed heap of winter wheat

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