Abstract
In this paper, based on the three-dimensional stability analytical model of fan/compressor, the equivalent distributed source method is used to calculate the response of the casing treatment section to the pressure disturbance wave, and the stability model including the casing treatment is obtained. By changing the physical parameters of the medium in the back cavity and predicting the instability point of the compressor, the influence of filling porous material in the back cavity on the stability can be qualitatively analyzed on the basis of the original SPS casing treatment. The stability of low-speed single-stage axial fan TA36 with porous material was analyzed theoretically, and the results of the theoretical model were verified by relevant experiments. In addition, this paper also measured and analyzed the forward noise after adding the casing treatment, and comprehensively considered the influence of filling porous material in the back cavity of SPS casing treatment from the perspective of stability expansion and noise reduction.
| Translated title of the contribution | Theoretical and Experimental Study on SPS Casing Treatment With Porous Material |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 63-70 |
| Number of pages | 8 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 44 |
| Issue number | 1 |
| State | Published - Jan 2023 |
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