Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system
In order to cope with the energy crisis and improve energy efficiency, the use of organic Rankine cycle (ORC) to convert low-quality heat energy into electricity and use it is an effective method. Based on the ORC waste heat recovery system of vehicle engine, this paper explores the flow heat transf...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2023-01-01
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| Series: | Frontiers in Energy Research |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fenrg.2022.1088719/full |
| _version_ | 1797956567693262848 |
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| author | Zhen Liu Zhen Liu Dongsheng Xie Dongsheng Xie Zheng Li Zheng Li Tengjun Huang Tengjun Huang Zengpeng Liu Zengpeng Liu |
| author_facet | Zhen Liu Zhen Liu Dongsheng Xie Dongsheng Xie Zheng Li Zheng Li Tengjun Huang Tengjun Huang Zengpeng Liu Zengpeng Liu |
| author_sort | Zhen Liu |
| collection | DOAJ |
| description | In order to cope with the energy crisis and improve energy efficiency, the use of organic Rankine cycle (ORC) to convert low-quality heat energy into electricity and use it is an effective method. Based on the ORC waste heat recovery system of vehicle engine, this paper explores the flow heat transfer and deformation law of the core component scroll expander under different tooth head corrections. Deformation has a significant impact on the performance of the expander. In this study, several flow-thermal-solid coupling models based on double circular arc correction and double circular arc plus straight-line correction are established. The effects of tooth head correction on the strength and stiffness of tooth head, flow field distribution of suction chamber and deformation characteristics of tooth head are studied. Finally, the deformation law of scroll tooth head with different correction angles was discussed. The results show that the EA-SAL correction makes the wall curvature of the tooth head change greatly, and the flow field in the center of the tooth head becomes more uneven and complicated. The tooth head area under EA-SAL modification is larger, and the tooth head strength and stiffness are improved by about 6%. Within a certain angle range, the tooth head deformation after EA-SAL correction is slightly larger than that after PMP correction, but the difference between them decreases and even reverses with the increase of angle. The maximum deformation of the EA-SAL modified tooth head under internal pressure is about 20% smaller than that of PMP. With a given initial correction angle ∅, the deformation of the corrected tooth head caused by a pressure or temperature load reduces when the correction angle γ is reduced, Therefore, reducing the correction angle properly is helpful to reduce the deformation of the tooth head. |
| first_indexed | 2024-04-10T23:50:56Z |
| format | Article |
| id | doaj.art-0cbd75d3ad74445fbbc32eb0dcf55618 |
| institution | Directory Open Access Journal |
| issn | 2296-598X |
| language | English |
| last_indexed | 2024-04-10T23:50:56Z |
| publishDate | 2023-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Energy Research |
| spelling | doaj.art-0cbd75d3ad74445fbbc32eb0dcf556182023-01-10T17:44:17ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2023-01-011010.3389/fenrg.2022.10887191088719Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery systemZhen Liu0Zhen Liu1Dongsheng Xie2Dongsheng Xie3Zheng Li4Zheng Li5Tengjun Huang6Tengjun Huang7Zengpeng Liu8Zengpeng Liu9School of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, ChinaHubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, ChinaSchool of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, ChinaHubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, ChinaSchool of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, ChinaHubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, ChinaSchool of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, ChinaHubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, ChinaSchool of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, ChinaHubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, ChinaIn order to cope with the energy crisis and improve energy efficiency, the use of organic Rankine cycle (ORC) to convert low-quality heat energy into electricity and use it is an effective method. Based on the ORC waste heat recovery system of vehicle engine, this paper explores the flow heat transfer and deformation law of the core component scroll expander under different tooth head corrections. Deformation has a significant impact on the performance of the expander. In this study, several flow-thermal-solid coupling models based on double circular arc correction and double circular arc plus straight-line correction are established. The effects of tooth head correction on the strength and stiffness of tooth head, flow field distribution of suction chamber and deformation characteristics of tooth head are studied. Finally, the deformation law of scroll tooth head with different correction angles was discussed. The results show that the EA-SAL correction makes the wall curvature of the tooth head change greatly, and the flow field in the center of the tooth head becomes more uneven and complicated. The tooth head area under EA-SAL modification is larger, and the tooth head strength and stiffness are improved by about 6%. Within a certain angle range, the tooth head deformation after EA-SAL correction is slightly larger than that after PMP correction, but the difference between them decreases and even reverses with the increase of angle. The maximum deformation of the EA-SAL modified tooth head under internal pressure is about 20% smaller than that of PMP. With a given initial correction angle ∅, the deformation of the corrected tooth head caused by a pressure or temperature load reduces when the correction angle γ is reduced, Therefore, reducing the correction angle properly is helpful to reduce the deformation of the tooth head.https://www.frontiersin.org/articles/10.3389/fenrg.2022.1088719/fullORC waste heat recoveryscroll expanderPMP (dual-arc correction)EA-SAL (dual-arc plus straight-line correction)flow field and deformation distribution |
| spellingShingle | Zhen Liu Zhen Liu Dongsheng Xie Dongsheng Xie Zheng Li Zheng Li Tengjun Huang Tengjun Huang Zengpeng Liu Zengpeng Liu Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system Frontiers in Energy Research ORC waste heat recovery scroll expander PMP (dual-arc correction) EA-SAL (dual-arc plus straight-line correction) flow field and deformation distribution |
| title | Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system |
| title_full | Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system |
| title_fullStr | Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system |
| title_full_unstemmed | Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system |
| title_short | Effect of tooth head modification on the performance of a scroll expander for ORC waste heat recovery system |
| title_sort | effect of tooth head modification on the performance of a scroll expander for orc waste heat recovery system |
| topic | ORC waste heat recovery scroll expander PMP (dual-arc correction) EA-SAL (dual-arc plus straight-line correction) flow field and deformation distribution |
| url | https://www.frontiersin.org/articles/10.3389/fenrg.2022.1088719/full |
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