2012 ©
             Publication
Journal Publication
Title of Article Development of Drums for an Axial Flow Maize Shelling Unit 
Date of Acceptance 29 December 2020 
Journal
     Title of Journal Engineer journal 
     Standard SCOPUS 
     Institute of Journal Faculty of Engineering, Chulalongkorn University, Phayathai Road, Pathumwan, Bangkok 10330, Thailand. 
     ISBN/ISSN  
     Volume 25 
     Issue
     Month February
     Year of Publication 2021 
     Page 59-70 
     Abstract Shelling drums have an important effect on the performance of machinery used in maize harvesting. This study was aimed to develop axial flow drums for a maize shelling unit. They were 900 mm long and 300 mm in diameter. Comparative maize shelling experiments were carried out with peg-toothed (A), peg-rasp bar-toothed (B), peg-rectangular-toothed (C), and disc peg (D) drums with four levels of concave clearance (CC), 15, 20, 25, and 30 mm and three rotor speeds (RS), 6, 10, and 14 m/s. The results showed that the CC had a significant effect on the shelling efficiency (SE) and total losses (TL), while grain breakage (GB) was not significant. Furthermore, no interaction was found between the power requirements (P) and the specific energy consumption (SEC), the SE, and the GB. However, interaction between TL, P, and SEC was found with various drum types and the CC. The RS was found to have a significant effect on the SE, TL, GB, P, and SEC with different drum types. Moreover, the interaction between the drum types and the RS affected shelling at the α=0.05 level. Furthermore, it was found that the Type D drum had higher performance in shelling maize. 
     Keyword Drum types, maize shelling unit, threshing unit 
Author
617040012-4 Mr. ANUWAT PACHANAWAN [Main Author]
Engineering Doctoral Degree

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