Prediction of the performance of the pressure-regulating valve in a large high-speed jet wind tunnel
Source abstract
Abstract
Prediction of the performance of the pressure-regulating valves in a large high-speed jet wind tunnel is important for obtaining and adjusting a high-quality flow field in the test section. In this work, we proposed a prediction method that corrects the theoretical characteristics of the pressure-regulation of the valve based on the experimental testing data of the ratio between the high- and low-pressure of the valve. The current method was validated for a given Mach number of 0.8, and the results showed that compared with the theoretical characteristics, the displacement deviation of the spool was reduced by 9.84%, and the total pressure deviation of the settling chamber was reduced by 43.61%. The results also show that compared with the single low-pressure ratio correction characteristic, the displacement deviation of the spool was reduced by 0.94%, and the total pressure deviation of the settling chamber was reduced by 3.4%. This method can consider the variation of the pressure loss for different pressure ratios and improve the pressure prediction of the valve.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Aerodynamics and Fluid Dynamics Research · Plasma and Flow Control in Aerodynamics · Hydraulic and Pneumatic Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical and Electrical Engineering, Southwest Petroleum University 1 , Chengdu, Sichuan 610500, China
High-Speed Aerodynamics Institute, China Aerodynamics Research and Development Center 2 , Mianyang, Sichuan 621000, China
Low-Speed Aerodynamics Institute, China Aerodynamics Research and Development Center 3 , Mianyang, Sichuan 621000, China
References (27)
Show source-provided references
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