| Zhang Jinjie (张进杰)**,Wang Yao**,Zhang Chun*,Jiang Zhinong**,Sun Xu*.[J].高技术通讯(英文),2021,27(3):262~271 |
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| Research on gas leakage through suction valves of reciprocating compressor under varying load conditions |
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| DOI： |
| 中文关键词: |
| 英文关键词: reciprocating compressor, computational fluid dynamics (CFD), variable load, suction valve leakage, thermal performance |
| 基金项目: |
| Author Name | Affiliation | | Zhang Jinjie (张进杰)** | (*Compressor Health and Intelligent Monitoring Center of National Key Laboratory of Compressor Technology,Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Key Laboratory of Health Monitoring Control and Fault Self-Recovery for High-End Machinery,Beijing University of Chemical Technology, Beijing 100029, P.R.China) | | Wang Yao** | (*Compressor Health and Intelligent Monitoring Center of National Key Laboratory of Compressor Technology,Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Key Laboratory of Health Monitoring Control and Fault Self-Recovery for High-End Machinery,Beijing University of Chemical Technology, Beijing 100029, P.R.China) | | Zhang Chun* | (*Compressor Health and Intelligent Monitoring Center of National Key Laboratory of Compressor Technology,Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Key Laboratory of Health Monitoring Control and Fault Self-Recovery for High-End Machinery,Beijing University of Chemical Technology, Beijing 100029, P.R.China) | | Jiang Zhinong** | (*Compressor Health and Intelligent Monitoring Center of National Key Laboratory of Compressor Technology,Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Key Laboratory of Health Monitoring Control and Fault Self-Recovery for High-End Machinery,Beijing University of Chemical Technology, Beijing 100029, P.R.China) | | Sun Xu* | (*Compressor Health and Intelligent Monitoring Center of National Key Laboratory of Compressor Technology,Beijing University of Chemical Technology, Beijing 100029, P.R.China)
(**Beijing Key Laboratory of Health Monitoring Control and Fault Self-Recovery for High-End Machinery,Beijing University of Chemical Technology, Beijing 100029, P.R.China) |
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| 中文摘要: |
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| 英文摘要: |
| A research concerning the coupling conditions of gas leakage through suction valves and capacity regulation is performed in an industrial reciprocating compressor. Both internal flow and thermodynamic characteristic are discussed in detail. The results show that the capacity of compressor can be regulated steplessly by controlling suction valve closure moment. And then the quantitative relationship between the capacity load and the closing angle of suction valve is revealed. The capacity load and valve leakage rate show obvious different features in P-V diagrams, which makes it easier to define appropriate features for detecting cracked or broken reciprocating compressor valves under varying load conditions. A set of curves of compression work and discharge gas mass are obtained and a method for rating thermal performance of a compressor is presented using these curves. |
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