Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer
Comparative strength analysis of two popular options of the radial centrifugal fan impeller design used in horizontal conveyor dryer for fine-grained raw materials is presented. Three types of materials for impeller manufacturing—ASTM A36 steel, Hardox 450 steel and aluminium alloy 6061-T6 are consi...
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MDPI AG
2021
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oai:doaj.org-article:02ba9f857a414bed8a94357a4802a1692021-11-11T18:11:52ZMaterials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer10.3390/ma142166961996-1944https://doaj.org/article/02ba9f857a414bed8a94357a4802a1692021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6696https://doaj.org/toc/1996-1944Comparative strength analysis of two popular options of the radial centrifugal fan impeller design used in horizontal conveyor dryer for fine-grained raw materials is presented. Three types of materials for impeller manufacturing—ASTM A36 steel, Hardox 450 steel and aluminium alloy 6061-T6 are considered. The finite element method (FEM) has been used to investigate stresses and deformations of the impeller within the operational speed range. Analysis shows that the better design is the impeller made of Hardox 450 steel with a central disk. Although the maximum stress is slightly higher in the blades slot for central disk fitting for this design option, it has greatly reduced stresses in contact edges with two other disks (by 22–38%) and blades bending deformation (by 51%). For this design, the maximum operational rotation speed is 1135 min<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula> according to the yield strength with a 15% safety factor, while for basic design, it is 1225 min<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula>. The rational choice of material depends on maximum value of the yield stress to density ratio as well as taking into account the operating conditions and required fan performance. Recommendations for manufacturing the centrifugal fan impeller related to chosen material are given.Andrii ZinchenkoKostiantyn BaiulPavlo KrotAleksander KhudyakovSergii VashchenkoAleksandra BanasiewiczAdam WróblewskiMDPI AGarticlehorizontal conveyor dryerraw materialscentrifugal fanimpellerFEMTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6696, p 6696 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
horizontal conveyor dryer raw materials centrifugal fan impeller FEM Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
| spellingShingle |
horizontal conveyor dryer raw materials centrifugal fan impeller FEM Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Andrii Zinchenko Kostiantyn Baiul Pavlo Krot Aleksander Khudyakov Sergii Vashchenko Aleksandra Banasiewicz Adam Wróblewski Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| description |
Comparative strength analysis of two popular options of the radial centrifugal fan impeller design used in horizontal conveyor dryer for fine-grained raw materials is presented. Three types of materials for impeller manufacturing—ASTM A36 steel, Hardox 450 steel and aluminium alloy 6061-T6 are considered. The finite element method (FEM) has been used to investigate stresses and deformations of the impeller within the operational speed range. Analysis shows that the better design is the impeller made of Hardox 450 steel with a central disk. Although the maximum stress is slightly higher in the blades slot for central disk fitting for this design option, it has greatly reduced stresses in contact edges with two other disks (by 22–38%) and blades bending deformation (by 51%). For this design, the maximum operational rotation speed is 1135 min<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula> according to the yield strength with a 15% safety factor, while for basic design, it is 1225 min<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mrow><mo>−</mo><mn>1</mn></mrow></msup></semantics></math></inline-formula>. The rational choice of material depends on maximum value of the yield stress to density ratio as well as taking into account the operating conditions and required fan performance. Recommendations for manufacturing the centrifugal fan impeller related to chosen material are given. |
| format |
article |
| author |
Andrii Zinchenko Kostiantyn Baiul Pavlo Krot Aleksander Khudyakov Sergii Vashchenko Aleksandra Banasiewicz Adam Wróblewski |
| author_facet |
Andrii Zinchenko Kostiantyn Baiul Pavlo Krot Aleksander Khudyakov Sergii Vashchenko Aleksandra Banasiewicz Adam Wróblewski |
| author_sort |
Andrii Zinchenko |
| title |
Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| title_short |
Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| title_full |
Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| title_fullStr |
Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| title_full_unstemmed |
Materials Selection and Design Options Analysis for a Centrifugal Fan Impeller in a Horizontal Conveyor Dryer |
| title_sort |
materials selection and design options analysis for a centrifugal fan impeller in a horizontal conveyor dryer |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/02ba9f857a414bed8a94357a4802a169 |
| work_keys_str_mv |
AT andriizinchenko materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT kostiantynbaiul materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT pavlokrot materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT aleksanderkhudyakov materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT sergiivashchenko materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT aleksandrabanasiewicz materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer AT adamwroblewski materialsselectionanddesignoptionsanalysisforacentrifugalfanimpellerinahorizontalconveyordryer |
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