In the marine environment, the corrosion on a compressor blade caused by salt spray severely affects the compressor performance and poses a threat to its operation reliability. This study simulated the corrosion on the blade caused by salt spray by using the static acceleration test, and analyzed the effects of various tip clearances (corresponding to various corrosion periods) on compressor performance and internal flow field through the numerical simulation method. The results revealed that with the increase in corrosion time, the flow rate, pressure ratio, torque, and power of the compressor decreased. The chart of the compressor internal flow indicated the increasing internal loss and decreasing efficiency. On the basis of loss analysis, the binomial relationships between the service time and relative values of total pressure loss and efficiency loss, respectively, were established.
Sun, Hai-Ou; Ma, Jing-Yuan; Wang, Zhong-Yi; and Cao, Lei
"THE RESEARCH ON COMPRESSOR PERFORMANCE DEGRADATION CAUSED BY TIP CLEARANCE ENLARGEMENT DUE TO CORROSION IN MARINE ENVIRONMENTS,"
Journal of Marine Science and Technology: Vol. 25:
2, Article 18.
Available at: https://jmstt.ntou.edu.tw/journal/vol25/iss2/18