Experimental Investigation of Temperature Difference Ratio of Trailing Edge Film Cooling Downstream of Pressure Side Split with Internal Spacer Arrays

Abstract:

This paper investigates experimentally the effects of spacer geometry on temperature difference ratio downstream of pressure side split of trailing edge film cooling. The internal pin fins arrayed staggered and pin fins in the last row face to the cooling hole one by one. The geometric parameters include relative length of trailing edge l/b, ratio of length to span of split a/c, ratio of length to width a/b, angle of split α. And the effects of blowing ratio and Reynolds number are also researched specially. The correlation of temperature difference ratio vs. Reynolds number, blowing ratio, and geometric parameters respectively was induced.

• Periodical: Advanced Materials Research (Volumes 1070-1072)
• Pages: 1743-1747
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1070-1072.1743
• Online since: December 2014
• Authors: Chang Ming Ling*, Chun Hua Min, Ming Feng Chen, Jun Li, Dong Mei Zhao
• Keywords: Experimental Investigation, Geometric Parameters of Split, Pressure Side Split, Temperature Difference Ratio, Trailing Edge Film Cooling

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