CRITICAL FLOW SONIC NOZZLES GAS FLOW FACILITY WITH MEDIUM-PRESSURE AND CLOSED-LOOP PIPELINES |
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| Sun Lijun, Feng Qianqian, Li Shengjie, Tang Bing, Zhang Tao |
- Abstract:
- The requirement of gas flow facility with high pressure is increasing. But, the experiences of development the closed-loop high pressure facility are not enough. Critical flow sonic Nozzles gas flow facility with medium-pressure and Closed-Loop pipelines at Tianjin University Flow Lab was presented in the paper. The performance indexes, the flow loop, the uncertainty analysis of the facility were described. Discharge coefficient correction of nozzles at medium pressure and the flow rate stability control were shown in detail. The pressure of the facility is 0.3 ~ 1.6 MPa, the flow rate is 0.5 ~ 120 m3/h at working status, the uncertainty is better than 0.3% (k = 2).
- Keywords:
- micro flow, leak rate, dilution method, capillary
- Download:
- IMEKO-TC9-2013-027.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC9
- Event name:
- FLOMEKO 2013
- Title:
16th International Flow Measurement Conference
- Place:
- Paris, FRANCE
- Time:
- 24 September 2013 - 26 September 2013