Numerical simulation analysis on the aerodynamic performance of variable geometry turbine clamshell guide vanes

旋转角度/(°)	原变几何涡轮导叶		涡轮蛤壳状导叶
旋转角度/(°)	流量/(kg·s⁻¹)	总压损失系数	流量/(kg·s⁻¹)	总压损失系数
−5	49.673 6	0.165 2	54.816 8	0.115 9
−3°	59.211 2	0.136	64.950 4	0.095 9
0	73.554	0.111 3	80.641 2	0.080 4
+3	87.616 4	0.096 9	93.5	0.092 9
+5	97.038 4	0.090 1	95.910 4	0.207 5

Table 2. Variation of amplitude of turbine clamshell guide vane relative to orignal guide vane
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Table 2. Variation of amplitude of turbine clamshell guide vane relative to orignal guide vane
旋转角度/（°）流量变化/% 总压损失系数变化/%
−5 10.35 −29.84
−3 9.69 −29.49
0 9.64 −27.79
+3 6.72 −4.13
+5 −1.16 130.26

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Tao TANG, Yanjing LI, Yikang SONG, Jie GAO. Numerical simulation analysis on the aerodynamic performance of variable geometry turbine clamshell guide vanes[J]. Chinese Journal of Ship Research, 2022, 17(2): 212

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Paper Information

Category: Marine Machinery, Electrical Equipment and Automation

Received: Feb. 8, 2021

Accepted: --

Published Online: Mar. 24, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.02295

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of numerical simulation results between turbine clamshell guide vanes and orignal turbine guide vanes

Table 1. Comparison of numerical simulation results between turbine clamshell guide vanes and orignal turbine guide vanes

Table 2. Variation of amplitude of turbine clamshell guide vane relative to orignal guide vane

Table 2. Variation of amplitude of turbine clamshell guide vane relative to orignal guide vane