Research Article

An FBG Strain Sensor-Based NPW Method for Natural Gas Pipeline Leakage Detection

Figure 5

(a) System diagram of the experiment platform, AC, air compressor; AT1 AT2, air tank; SP1 SP2, pressure sensor; SF1 SF2, FBG strain sensor; BFV, butterfly valve; BV1 ∼ BV5, ball valve; SV1 SV2, solenoid valve; FM, flowmeter; PRV1 PRV2, pressure-regulating valve. (b) Photo of experiment platform.
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