期刊文献+

冷库制冷剂管路检漏与定位实时模型研究 被引量:6

Real-time Model for Leak Detection and Positioning of Liquid Pipelines in the Refrigeration System
下载PDF
导出
摘要 本文将目前国际上广泛应用于长管道输送系统中的检测管道泄漏的实时模型法应用于液态氨制冷剂管路泄漏研究。并以R22制冷剂来模拟氨系统循环管路,根据动态及泄露实验研究特性,建立检漏、定位的实时模型,并通过实验验证了该模型可以实现高效快速的检漏效果及确定漏点位置,检漏精度可达到3.0%,但定位精度及稳定性与漏点位置有关。这为冷库的安全运行提供了有效措施和理论依据。 The real-time model which is widely used in the detection of long pipeline leakage is applied to detect ammonia leakage in the pipeline of refrigeration systems in cold stores. The pipeline of refrigeration system with R22 is used to simulate the ammonia system. The real-time model of leak detection and positioning is set up through the dynamic characteristics of refrigerant and testing results of leakage. The model is verified by experiments and the result shows that the accuracy of leak detection can reach 3.0%, and the positioning precision and stability is related to the position of leakage, which indicates that it can efficiently and rapidly achieve leak detection and determine position of leakage. This research provides effective methods and theoretical basis for the safe operation of refrigeration system in cold stores.
出处 《制冷学报》 CAS CSCD 北大核心 2015年第5期43-48,共6页 Journal of Refrigeration
基金 中国科学院低温工程学重点实验室开放基金(CRYO201412)项目资助~~
关键词 制冷系统 冷库 制冷剂 管路泄漏 实时模型 refrigeration system cold store refrigerant pipeline leakage real-time model
  • 相关文献

参考文献16

  • 1邓建平,吕济民.冷库设计中氨制冷系统的安全与防护[J].冷藏技术,2009,32(3):10-15. 被引量:6
  • 2刘春祥,蔡凤英,谈宗山.某液氨储罐泄漏的后果分析及对策[J].工业安全与环保,2004,30(10):18-20. 被引量:18
  • 3Baghdadi A H A, Mansy H A. A mathematical model for leak location in pipelines[ J]. Applied Mathematical Mod- elling, 1988, 12(1 ) : 25-30.
  • 4Isermann R. Process fault detection based on modeling and estimation methods-a survey [ J ]. Automatic, 1984, 20 (4) : 387-404.
  • 5Zhang L B, Qin X Y, Wang Z H, et al. Designing a relia- ble leak detection system for west products pipeline [ J ]. Journal of Loss Prevention in the Process Industries, 2009, 22(6) : 981-989.
  • 6Ge C, Wang G, Ye H. Analysis of the smallest detectable leakage flow rate of negative pressure wave-based leak de- tection systems for liquid pipelines [ J ]. Computers & Chemical Engineering, 2008, 32(8) : 1669-1680.
  • 7Espinosa L M, Candia O C, Rodarte C V. Modeling of in- compressible flow in short pipes with leaks [ J ]. Journal of Petroleum Science and Engineering, 2013, 109: 38-44.
  • 8Abhulimen K E, Susu A A. Liquid pipeline leak detection system: model development and numerical simulation [ J ]. Chemical Engineering Journal, 2004, 97( 1 ): 47-67.
  • 9Sun L. Mathematical modeling of the flow in a pipeline with a leak [ J ]. Mathematics and Computers in Simula- tion, 2012, 82( 11): 2253-2267.
  • 10Oke A, Mahgerefteh H, Economou I, et al. A transient outflow model for pipeline puncture [ J ]. Chemical Engi- neering Science, 2003, 58(20) : 4591-4604.

二级参考文献16

共引文献50

同被引文献52

引证文献6

二级引证文献19

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部