Experimental Investigation on Flow in Pin-Fin Trapezoidal Duct

Li Zhang, Hui Ren Zhu, Song Ling Liu, Xue Wen Wang, Du Chun Xu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Experiments were conducted to determine the distribution of static pressure and lateral mass flow rate in a pin-fin trapezoidal duct that modeled the cooling passages in the gas turbine blades. The ratio of lateral-to-total flow rate was 1.The flow Reynolds numbers were varied from 1.5 × 104 through 9 × 104. The results show that the pressure drops along chord wise passages are much larger than that along radials. The lateral flow rates near the root and the tip of the blade are larger than that in the middle part by 5%-30%.

Original languageEnglish
Pages (from-to)518-521
Number of pages4
JournalHangkong Dongli Xuebao/Journal of Aerospace Power
Volume21
Issue number3
StatePublished - Jun 2006

Keywords

  • Aerospace propulsion system
  • Flow
  • Mass flow rate
  • Pin-fin
  • Pressure

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