Abstract
A novel centrifugal fan was designed to meet the demand of the wireless wall-climbing robot under reconnaissance environment. The aerothermodynamic processes of the dynamic balance between the working leakage of the sealing system of the robot and the output of the centrifugal fan were analyzed, the flow field and performance of the centrifugal fan were simulated by the computational fluid dynamics (CFD), and a low noise and high efficiency centrifugal fan was designed which is characterized by stable negative pressure under variable flow. The experiment results showed that the robot can work stably for 45-60 min when the wall gap is less than 1 cm with the noise lower than 70 dB at a distance of 1 m.
| Original language | English |
|---|---|
| Pages (from-to) | 1418-1423 |
| Number of pages | 6 |
| Journal | Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) |
| Volume | 38 |
| Issue number | 6 |
| State | Published - Nov 2008 |
Keywords
- Automatic control technology
- CFD
- Centrifugal fan
- Wall-climbing robot
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