Characteristic prediction method of transonic axial flow turbine

Table 1. Calculation results of loss model
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Table 1. Calculation results of loss model
参数静叶动叶
叶型损失系数 0.016 836 9 0.014 962 0
二次流损失 0.056 326 7 0.013 752 2
漏气损失 0 0.003 835 8
尾缘损失 0.000 000 7 0.000 000 4
总损失 0.073 164 3 0.032 550 4

Table 2. Turbine characteristic parameter calculation results

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Table 2. Turbine characteristic parameter calculation results

参数	一维预估	三维仿真
级滞止温比	0.942 105	0.723 168
级滞止膨胀比	3.030 810	3.435 110
级绝热滞止效率	0.217 881	0.810 265
级等熵滞止温比	0.734 279	0.658 344
涡轮比功/（kJ·kg⁻¹）	41.623 000	244.473 000
反动度	0.880 739	0.771 009

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Yufeng DU, Jie GAO, Qun ZHENG, Guojun MA. Characteristic prediction method of transonic axial flow turbine[J]. Chinese Journal of Ship Research, 2021, 16(2): 182

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