NF-6风洞是中国第一座增压连续式跨声速风洞。对NF-6风洞试验段流场特性进行了总结分析,研究结果表明该风洞具有优良的流场品质,总体上达到了设计要求,具备了承担型号和科研试验任务的能力。通过AGARD-B标模试验,进一步完善了NF-6风洞试验段流场品质校测项目,检验了该风洞的测力试验能力。NF-6风洞标模试验结果与国内外风洞试验数据吻合较好,试验精度和风洞平均气流偏角满足国军标要求,表明该风洞具备了测力试验的能力。 NF-6 wind tunnel is China’s first pressurized continuous cross-wind tunnel. The characteristics of the flow field in the experimental section of the NF-6 wind tunnel are summarized and analyzed. The results show that the wind tunnel has excellent flow field quality, meets the design requirements as a whole, and possesses the capability of undertaking the model and researching and testing tasks. Through the AGARD-B model test, the flow field quality test of the NF-6 wind tunnel test section was further improved, and the test capability of the wind tunnel was tested. The results of the wind tunnel test of the NF-6 wind tunnel are in good agreement with wind tunnel test data at home and abroad. The test precision and the average deflection angle of the wind tunnel meet the requirements of the national military standard, indicating that the wind tunnel possesses the capability of measuring force test.