Thermal theory was used to optimize the structure design of sensor. Influence factors in the liquidus temperature measurement were gotten, and a qualitative analysis was made on how the factors affected the measurement.

• 此外，利用热学的理论分析对探头的结构进行了优化设计，得出能对初晶点测量构成影响的几个因素，并就这几个因素如何影响初晶点测量做一定性的分析。