Table 2.
Low flow rate test of the differential structure.
Frequency (Hz) | Standard Flowmeter (m/s) | The Output of Self-Made Electromagnetic Flowmeter (mV) | ||||
---|---|---|---|---|---|---|
min | max | avg | min | max | avg | |
1.8 | 0.083 | 0.085 | 0.084 | 93.9 | 96.1 | 95.4 |
1.9 | 0.088 | 0.090 | 0.089 | 92.5 | 94.2 | 93.1 |
2 | 0.094 | 0.096 | 0.095 | 91.8 | 93.1 | 92.6 |
2.1 | 0.098 | 0.101 | 0.099 | 90.7 | 92.4 | 91.7 |
2.2 | 0.101 | 0.103 | 0.102 | 89.6 | 91.3 | 90.5 |
2.3 | 0.106 | 0.108 | 0.107 | 88.5 | 90.2 | 89.5 |
2.4 | 0.100 | 0.102 | 0.111 | 87.4 | 89.7 | 88.2 |
2.5 | 0.114 | 0.117 | 0.116 | 86.6 | 88.3 | 87.8 |
2.6 | 0.119 | 0.124 | 0.122 | 85.4 | 87.6 | 86.1 |
2.7 | 0.128 | 0.131 | 0.129 | 84.8 | 86.1 | 85.2 |
2.8 | 0.132 | 0.135 | 0.133 | 83.2 | 84.7 | 84.3 |
2.9 | 0.136 | 0.138 | 0.137 | 82.1 | 83.5 | 82.9 |
3 | 0.141 | 0.145 | 0.143 | 80.4 | 81.6 | 81.0 |