Moisture-Dependent Physical-Mechanical Properties of Maize, Rice, and Soybeans as Related to Handling and Processing
Knowledge of physical and mechanical properties of cereal grains is important for designing handling and processing equipment. However, there is still a lack of knowledge on the influence of moisture content on the physical-mechanical properties as related to machine design. The aim of this study wa...
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| Veröffentlicht in: | Materials 2022-12, Vol.15 (24), p.8729 |
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| creator | Kruszelnicka, Weronika Chen, Zhengpu Ambrose, Kingsly |
| description | Knowledge of physical and mechanical properties of cereal grains is important for designing handling and processing equipment. However, there is still a lack of knowledge on the influence of moisture content on the physical-mechanical properties as related to machine design. The aim of this study was to investigate and describe the changes in select physical-mechanical properties of maize, rice, and soybeans at various moisture content (10%, 14%, 18%, 22%, 26%; wet basis) and their compression behavior at two loading rates of 1.25 mm/min and 125 mm/min. The measured physical and mechanical properties include size, shape, and breakage force of single kernels. It was found that an increase in moisture content increased the kernel size, altered the kernel shape, and decreased the bulk density. The effects of moisture content and loading rate on breakage force, stress, and energy varied depending on the grain type. Our results indicated that an increase in moisture content changed the mechanical behavior of grain kernels from brittle to viscoelastic. To prevent kernel damage during processing and handling, the measured force and stress during compression can be used as the limit value for designing equipment. |
| doi_str_mv | 10.3390/ma15248729 |
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However, there is still a lack of knowledge on the influence of moisture content on the physical-mechanical properties as related to machine design. The aim of this study was to investigate and describe the changes in select physical-mechanical properties of maize, rice, and soybeans at various moisture content (10%, 14%, 18%, 22%, 26%; wet basis) and their compression behavior at two loading rates of 1.25 mm/min and 125 mm/min. The measured physical and mechanical properties include size, shape, and breakage force of single kernels. It was found that an increase in moisture content increased the kernel size, altered the kernel shape, and decreased the bulk density. The effects of moisture content and loading rate on breakage force, stress, and energy varied depending on the grain type. Our results indicated that an increase in moisture content changed the mechanical behavior of grain kernels from brittle to viscoelastic. To prevent kernel damage during processing and handling, the measured force and stress during compression can be used as the limit value for designing equipment.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15248729</identifier><identifier>PMID: 36556535</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Accuracy ; Breakage ; Bulk density ; Corn ; Damage prevention ; Deformation ; Ethanol ; Grain ; Handling ; Kernels ; Loading rate ; Mechanical properties ; Moisture content ; Moisture effects ; Physical properties ; Pressure distribution ; Rice ; Soybean ; Soybeans</subject><ispartof>Materials, 2022-12, Vol.15 (24), p.8729</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. 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However, there is still a lack of knowledge on the influence of moisture content on the physical-mechanical properties as related to machine design. The aim of this study was to investigate and describe the changes in select physical-mechanical properties of maize, rice, and soybeans at various moisture content (10%, 14%, 18%, 22%, 26%; wet basis) and their compression behavior at two loading rates of 1.25 mm/min and 125 mm/min. The measured physical and mechanical properties include size, shape, and breakage force of single kernels. It was found that an increase in moisture content increased the kernel size, altered the kernel shape, and decreased the bulk density. The effects of moisture content and loading rate on breakage force, stress, and energy varied depending on the grain type. Our results indicated that an increase in moisture content changed the mechanical behavior of grain kernels from brittle to viscoelastic. To prevent kernel damage during processing and handling, the measured force and stress during compression can be used as the limit value for designing equipment.</description><subject>Accuracy</subject><subject>Breakage</subject><subject>Bulk density</subject><subject>Corn</subject><subject>Damage prevention</subject><subject>Deformation</subject><subject>Ethanol</subject><subject>Grain</subject><subject>Handling</subject><subject>Kernels</subject><subject>Loading rate</subject><subject>Mechanical properties</subject><subject>Moisture content</subject><subject>Moisture effects</subject><subject>Physical properties</subject><subject>Pressure distribution</subject><subject>Rice</subject><subject>Soybean</subject><subject>Soybeans</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkt9vFCEQx4mxsU3bF_8AQ-KLMW5dfu3Ci0lTrW3Si03VZ8LC7B3NLlxh1-T868t5ba1CwgzMZ74wYRB6TeoTxlT9cTREUC5bql6gA6JUUxHF-ctn_j46zvm2LoMxIql6hfZZI0QjmDhA0yL6PM0Jqs-whuAgTPh6tcnemqFagF2ZsHXxdYprSJOHjGOPF8b_hg_4xtuymuDw97jpwISMTcY3MJgJHJ4iviixwYflH6ZIWMi5bI_QXm-GDMcP9hD9PP_y4-yiuvr29fLs9KqynIupYhRaJnvaGWqc65xjvKe2qQVwJuu-7QAaBar4naudKEjDGy4dEdZKLht2iD7tdNdzN4KzpbhkBr1OfjRpo6Px-t9I8Cu9jL-0aqUQQhWBdw8CKd7NkCc9-mxhGEyAOGdNWyFJLQkhBX37H3ob5xRKeVuqaVvOCSvUyY5amgG0D30s99oyHYzexgC9L-enLRctp0LRkvB-l2BTzDlB__R6UuttA-i_DVDgN8_rfUIfv5vdA3Dsq_s</recordid><startdate>20221207</startdate><enddate>20221207</enddate><creator>Kruszelnicka, Weronika</creator><creator>Chen, Zhengpu</creator><creator>Ambrose, Kingsly</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-9909-5112</orcidid></search><sort><creationdate>20221207</creationdate><title>Moisture-Dependent Physical-Mechanical Properties of Maize, Rice, and Soybeans as Related to Handling and Processing</title><author>Kruszelnicka, Weronika ; 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However, there is still a lack of knowledge on the influence of moisture content on the physical-mechanical properties as related to machine design. The aim of this study was to investigate and describe the changes in select physical-mechanical properties of maize, rice, and soybeans at various moisture content (10%, 14%, 18%, 22%, 26%; wet basis) and their compression behavior at two loading rates of 1.25 mm/min and 125 mm/min. The measured physical and mechanical properties include size, shape, and breakage force of single kernels. It was found that an increase in moisture content increased the kernel size, altered the kernel shape, and decreased the bulk density. The effects of moisture content and loading rate on breakage force, stress, and energy varied depending on the grain type. Our results indicated that an increase in moisture content changed the mechanical behavior of grain kernels from brittle to viscoelastic. 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| subjects | Accuracy Breakage Bulk density Corn Damage prevention Deformation Ethanol Grain Handling Kernels Loading rate Mechanical properties Moisture content Moisture effects Physical properties Pressure distribution Rice Soybean Soybeans |
| title | Moisture-Dependent Physical-Mechanical Properties of Maize, Rice, and Soybeans as Related to Handling and Processing |
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