载热剂核沸腾的研究是反应堆噪声分析的重要课题。它首先用来探测萨克斯登(Sax-ton)反应堆的局部核沸腾,以后又用于钠冷快堆钠沸腾和轻水动力堆局部核沸腾的探测技术中。轻水动力堆局部核沸腾的研究可以分成两个方面:(1)研究沸腾噪声的特征;(2)研究沸腾噪声的理论模型及沸腾噪声在堆内的传播规律。近年来,利用沸腾噪声成功地确定了沸水堆堆内载热剂流速和空洞份额,研究了堆的稳定特性。 The study of nucleate boiling heat carrier is an important issue in reactor noise analysis. It was first used to detect local nuclear boiling in Saxon reactors and later in detection technologies for localized nuclear boiling of sodium-cooled fast reactors and boiling water reactors. The research on local nuclear boiling of LWR can be divided into two aspects: (1) to study the characteristics of boiling noise; (2) to study the theoretical model of boiling noise and the propagation law of boiling noise in the reactor. In recent years, the use of boiling noises has successfully determined the flow rate and void fraction of the pyrolysis agent in the boiling water reactor, and studied the stability of the reactor.