对外壁加热、内壁冷却、厚度为1.0 mm的环形硅油浅液层内的热毛细对流及其稳定性进行了可视化实验研究,观察到了旋转的螺纹状的热流体波,确定了发生热流体波的临界温差值△Tc=4.8 K,证实了热流体波从两组逐渐演变为一组的发展过程,验证了已有的数值模拟结果.
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