中文摘要：

阐述了磁流体发电机实验的发展过程并介绍了发电机实验的主要结果。磁流体发电机实验基于磁流体发电机理论，利用液态金属钠作为导电流体，在多种速度场和不同雷诺系数情况下，探测到发电机效应，得到自激发磁场、磁场饱和及磁场反转现象。但磁场强度与实验参数之间的具体相关关系还有待进一步验证。

英文摘要：

This paper describes state-of-the-art experiments of magnetohydrodynamic dynamo and the main results of the current dynamo experiments. We first introduce the theoretical basis of dynamos, which contains kinematic dynamo theory and dynamic dynamo theory. Then we describe the magnetohydrodynamic dynamo experiments based on the cu rent theories. The experiments simulated liquid sodium as plasma, analysed the dynamo effects of different velocity distributions and the relation of velocity field and magnetic field. In the Riga dynamo experiment, the frequency of the magnetic field reversal was a constant if the plasma rotates with a constant speed. In the VKG magnetohydrodynamic dynamo experiment, the magnetic field inversed when the rotational frequencies of Propellers were different. However, Lyon also got the inverse field when he made use of external magnified circulation simulation effect in the VKG experiment. We can turn to study MHD instability and fluctuation after we testified the dynamo theory.