Optimizing operational parameters of finger millet threshing drum using RSM

Powar, R. V.; Aware, V. V.; Shahare, P. U.

doi:10.1007/s13197-019-03836-0

Cited by 17 publications

(14 citation statements)

References 10 publications

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“…In the previous investigation done by Powar et al (2019a) and (2019b), the capacity of pearling drum is twice that of the threshing drum, if the same drum dimensions were used for pearling operation. As a result, the capacity of the pearling drum was considered as 80 kg/h.…”

Section: Methodsmentioning

confidence: 94%

“…The operating parameters of the pearling drum, such as DS, CC, and pearling sieve size, are optimized by Powar et al (2019a) and(2019b).…”

Section: Validation Of the Performance Of Pearling Drummentioning

confidence: 99%

“…Finger millet grains are very small in size, measuring between 1.2 and 1.7 mm in diameter (Powar et al, 2019a(Powar et al, , 2019b. The physiology of finger millet consists of a naked caryopsis and is majorly composed of the seed coat (13%-15%), germ (1.5%-2.5%), and endosperm (80%-85%; Hulse et al, 1980).…”

Section: Introductionmentioning

confidence: 99%

“…The pearling effectiveness of this pearler is quite low, resulting in increased losses due to seed breakage and more unpearled grains being produced (Verma et al, 2014). Successful efforts in designing, developing, and evaluating an integrated thresher‐cum‐pearler were made by Powar et al (2019a) and (2019b). An integrated type of thresher‐cum‐pearler, pearling drum is directly coupled with a threshing drum.…”

Section: Introductionmentioning

confidence: 99%

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Effect of operating parameters on performance of finger millet pearling machine

Powar¹,

Aware

Chavan

et al. 2022

J Food Process Engineering

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The effect of operational parameters such as feed rate (FR), drum speed (DS), and concave clearance (CC) was studied on the performance of a pearling drum. The pearling drum consists of pearling cylinder, pearling sieve, concave, and outer casing of the drum. The response surface method with CCRD experimental design was used to study the effect of operational parameters on pearling drum. The considered levels for optimizing operational parameters viz., FR, DS, and CC were 40–80 kg/h, 5–10 m/s, and 3–15 mm, respectively. The maximum pearling efficiency (PE) and minimum grain damage (GD) were found to be 98.40%, and 0.12%, respectively at FR, DS, and CC of 71.89 kg/h, 7.13 m/s, and 5.13 mm, respectively. The validation of the performance of pearling drum was carried out at optimized levels of parameters, the PE was found to be 99% with no GD against predicted PE of 98.40% and GD of 0.12%.

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Section: Methodsmentioning

confidence: 94%

“…The operating parameters of the pearling drum, such as DS, CC, and pearling sieve size, are optimized by Powar et al (2019a) and(2019b).…”

Section: Validation Of the Performance Of Pearling Drummentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of operating parameters on performance of finger millet pearling machine

Powar¹,

Aware

Chavan

et al. 2022

J Food Process Engineering

View full text Add to dashboard Cite

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“…Software Design-Expert 8.0 was adopted to perform variance analysis of data in Table 4 and results are listed in Table 5 [36]. It can be seen from Table 5 that the test model is extremely significant (p < 0.0001), suggesting that the designed tests are reasonable and effective; the coefficient of determination R 2 is 0.9626, indicative of a high degree of fitting of the regression equation.…”

Section: Test Analysismentioning

confidence: 99%

Design and Testing of a Self-Propelled Dandelion Seed Harvester

Shao

et al. 2023

Agriculture

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At present, there are few harvesters for dandelion (Taraxacum mongolicum) seeds, which limits the large-area planting of dandelion. Furthermore, manual harvesting is characterized by huge labor intensity, low efficiency, and high costs. Combining the material characteristics of dandelion plants and seeds with agronomic requirements for harvesting dandelion seeds, a self-propelled dandelion seed harvester was designed. The harvester is mainly composed of collection devices, separation devices, transmission devices, and a rack. It can facilitate seed collection from plants, seed transportation, and seed–pappus separation in one operation. The collection and separation processes of dandelion seeds were studied to ascertain the main factors that affect the collection rate. Then, the collection and separation devices were designed, and their parameters were analyzed. Taking the forward speed, wind velocity of blowers, and rate of rotation of the drum as test factors and the collection rate as the evaluation index, quadratic regression orthogonal rotating field tests were performed. In this way, the optimal combination of operation parameters was determined: the collection rate is optimal when the forward speed is 0.8 m·s−1, the air velocity from the blowers is 1.63 m·s−1, and the rate of rotation of the drum is 419 rpm. Field test results showed that a favorable harvesting effect was achieved after operation of the harvester, and only small amounts of dandelion seeds remained unharvested. Under the optimal parameter combination, the collection rate reached 89.1%, which could meet requirements for practical field harvesting of dandelion seeds. The test results satisfy the design requirement.

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