Exergy transfer analysis of a pin fin in external flow
Source: International Journal of Exergy, Volume 6, Number 6, 19 September 2009 , pp. 761-777(17)
Publisher: Inderscience Publishers
Abstract:Based on the non‐equilibrium thermodynamic theory, a general exergy transfer model is developed to describe the exergy transfer characteristics of external convection by using Black Body Approach. This model is applied to the study of fin efficiency for exergy transfer, which is defined as the ratio of the actual exergy transfer rate to the ideal exergy transfer rate. Both the analytical expressions and numerical analysis are conducted to determine the fin efficiency for exergy transfer by using pin fin as object and air as working fluid. The resulting fin efficiency for exergy transfer is compared with that for energy transfer.
Document Type: Research Article
Affiliations: 1: College of Power Engineering, Chongqing University, Chongqing 400044, PR China. 2: Department of Power Engineering, Chongqing Electric Power College, Chongqing 400053, PR China. 3: College of Power Engineering, Chongqing University, Chongqing 400044, PR China
Publication date: September 19, 2009
- The International Journal of Exergy is a quarterly publication dedicated to providing an interdisciplinary platform for information and ideas in the field of exergy and thermodynamic optimisation. It publishes a wide range of original, high-quality research papers, and ancillary features, spanning activities from fundamental research to industrial applications. The International Journal of Exergy covers aspects of exergy analysis of engineering and non-engineering systems and processes in a large variety of disciplines, ranging from mechanical engineering to physics and chemical engineering to industrial ecology.
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