id:"swepub:oai:lup.lub.lu.se:c1dd7cf2-28c6-4999-928f-946f025e1268"
Search: id:"swepub:oai:lup.lub.lu.se:c1dd7cf2-28c6-4999-928f-946f025e1268" > 减压阀噪声研究进展
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- Chen, FuqiangZhejiang University (author)
减压阀噪声研究进展
- Article/chapterChinese2019
Publisher, publication year, extent ...
- 2019
- 9 s.
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- LIBRIS-ID:oai:lup.lub.lu.se:c1dd7cf2-28c6-4999-928f-946f025e1268
- https://lup.lub.lu.se/record/c1dd7cf2-28c6-4999-928f-946f025e1268URI
Supplementary language notes
- Language:Chinese
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Varying forms of title
- Research progress of noise in pressure reducing valve
Notes
- In order to comprehensively understand the specific noise generation process inside pressure reducing valves (PRV) and its existing research outcomes, the generation of noise in PRV with its research methods in China and abroad was summarized. Then, the current research status of noise reduction technologies was reviewed from two aspects: source and propagation. Based on analysis and summarization, the major existing problems in current noise reduction technologies were discussed, including complex flow situation in PRV, ambiguity of vortex location and uncertain of interaction between high-velocity jet flows and so on. In the future investigation of noise reduction in PRV, it is advised that the position of noise source in valve should be determined firstly through combination of theoretical analysis, experiment and numerical analysis. Then, the directivity of noise in the valve can be clarified. Thereby, a further study of noise reduction mechanism and technology can be launched. Finally, noise in PRV can be reduced to the utmost extent. In the future, control of noise inside PRV should start with flow mechanism and structural innovation, and then a universal valve design theory with low noise will be put forward. Investigation into noise characteristics in pressure reducing valve can provide a reliable basis for reducing noise effectively.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Maskinteknik Teknisk mekanik hsv//swe
- ENGINEERING AND TECHNOLOGY Mechanical Engineering Applied Mechanics hsv//eng
- Mechanism
- Noise
- Noise reduction technology
- Pressure reducing valve (PRV)
- Research methods
Added entries (persons, corporate bodies, meetings, titles ...)
- Wang, FeiHangzhou Special Equipment Inspection and Research Institute(Swepub:lu)chem-fwg (author)
- Wei, LinZhejiang University (author)
- Qian, JinyuanLund University,Lunds universitet,Värmeöverföring,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Heat Transfer,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH,Zhejiang University(Swepub:lu)ji1861qi (author)
- Jin, ZhijiangZhejiang University (author)
- Zhejiang UniversityHangzhou Special Equipment Inspection and Research Institute (creator_code:org_t)
Related titles
- In:Paiguan Jixie Gongcheng Xuebao/Journal of Drainage and Irrigation Machinery Engineering37:1, s. 49-571674-8530
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