【Experiment Equipments】 In this experiment,students can assemble instruments for carrying out varied experimental purposes according to experiment content.But before installing,adjusting and maneuvering these instruments,students MUST carefully read all relevant manuals and guides in lab L Suction-and-pressure fan(wind generator) This equipment is the core of experiment.Fan has a maximum rotating speed reaching 2550 r/min with a blast volume of 875 m3/h.Continuous working period is 3 minutes.When changing rotating speed,it takes 30 seconds for adjusting. Figure 4 Figure 5 II.Precise pressure meter See Fig 4. 1->Liquid accumulator. 2->Connector for high pressure measuring. 3->Connector for low pressure measuring. 4->Wind speed reading gauge(0~22 m/s). 5->Pressure gauge(0~310 Pa). 6->Liquid level bubble. 7->Tight-fix nut. III.Pressure sensor head See Fig 5. 1->Total pressure sensor head.Making it oriented to flow direction when measuring. 2->Static pressure sensor head.Making it perpendicular to flow direction when measuring. 3->Connect to high pressure end. 4->Connect to low pressure end. 5->Fix point.Sensor head can be associated to precise pressure machine or sensor for use. IV.Fan-shaped ergometer See Fig 6.It uses a spring stream box with slow and streams for force transferring,to measure the force.Dynamic range:0~0.65 N. 公15 【Experiment Equipments】 In this experiment, students can assemble instruments for carrying out varied experimental purposes according to experiment content. But before installing, adjusting and maneuvering these instruments, students MUST carefully read all relevant manuals and guides in lab. I. Suction-and-pressure fan(wind generator) This equipment is the core of experiment. Fan has a maximum rotating speed reaching 2550 r/min with a blast volume of 875 m3 /h. Continuous working period is 3 minutes. When changing rotating speed, it takes 30 seconds for adjusting. II. Precise pressure meter See Fig 4. 1 -> Liquid accumulator. 2 -> Connector for high pressure measuring. 3 -> Connector for low pressure measuring. 4 -> Wind speed reading gauge(0~22 m/s). 5 -> Pressure gauge(0~310 Pa). 6 -> Liquid level bubble. 7 -> Tight-fix nut. III. Pressure sensor head See Fig 5. 1 -> Total pressure sensor head. Making it oriented to flow direction when measuring. 2 -> Static pressure sensor head. Making it perpendicular to flow direction when measuring. 3 -> Connect to high pressure end. 4 -> Connect to low pressure end. 5 -> Fix point. Sensor head can be associated to precise pressure machine or sensor for use. IV. Fan-shaped ergometer See Fig 6. It uses a spring stream box with slow and streams for force transferring, to measure the force. Dynamic range: 0~0.65 N. Figure 4 1 5 4 3 2 Figure 5