By theoretical deduction, a function relationship between mass flux and vortex frequency as well as the boa rd force of the target flowmeter is established, and its validity is proved by e xperiment data.

• 经过理论推导得出质量流量与涡街信号的频率、靶板受力的函数关系,并通过实验数据验证了此关系的正确性。