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The upstream effect on back pressure ratio

The upstream effect on back pressure ratio. Chunhui Li, lich@nim.ac.cn NIM, P. R. China. Background. The experimental system. Reynolds number effect. Type I-SN.8601. Type II-SN.8602. Geometrical effect. 10mm-6 。. Conclusions.

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The upstream effect on back pressure ratio

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  1. The upstream effect on back pressure ratio Chunhui Li, lich@nim.ac.cn NIM, P. R. China

  2. Background

  3. The experimental system

  4. Reynolds number effect

  5. Type I-SN.8601

  6. Type II-SN.8602

  7. Geometrical effect

  8. 10mm-6。

  9. Conclusions • The upstream condition or flow condition effect can be positive or negative, which may be related with the ration of the tube diameter to the throat diameter? • The measurement of CBPR on site may be necessary?

  10. Discharge coefficient in transition region How to relate the discharge coefficient and Reynolds number during the transition region!

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