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Investigating the Effect of Cooling Air Passage on the Temperature Distribution in Turbine Blades | ||
| Journal Of Wassit For Science & Medicine | ||
| Article 1, Volume 4, Issue 2, 2011, Pages 92-114 | ||
| Authors | ||
| Engineering College of; Wasit University; shareef - Abbas sahi | ||
| Abstract | ||
| This paper was carried out to study the effect of the velocity ratio of cooling air on the temperature distribution in the turbine blade passage0The experimental and computation method gives a clear picture of the penetration area and the temperature distribution in the passage. All the calibration of the instrument and the laws of the five hole probe may be notes in the section test rig. Several cases have been studied in this research by using three-velocity ratio (VR=0.5, 1and 2), and three different locations (99% ,90% and 75%) from the end wall with the jets angle θ= 450.the hole diameter (d= 0.1 cm). The procedure solves the governing equation numerically by using the finite volume method semi implicit method for pressure-linked equation. Therefore the present results show an accepted agreement if compared with experimental work. The maximum temperature occurred of VR=0.5 and the jet location (99%) from the end wall .Therefore the temperatures are fluctuated at the core, and decreased gradually from the jet core to outside. The temperatures are increase with decrease the velocity ratio at the same the jut location from the axial chored. | ||
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