السبت، 12 مارس، 2011

COMPUTATIONAL FLUID DYNAMICS–BASED ANALYSIS AND OPTIMIZATION OF STIRLING ENGINES: AN INSIGHTFUL SURVEY


ICEST 2011 International Conference on Energy Systems and Technologies, 14-17 March 2011, Cairo, Egypt (ان شاء الرحمن الرحيم)
 COMPUTATIONAL FLUID DYNAMICS–BASED ANALYSIS AND OPTIMIZATION OF STIRLING ENGINES: AN INSIGHTFUL SURVEY
 Hossam Abdelsattar, Mahmoud Gamal, Waleed Talaat, Mahmoud Abdelnasser, Mohamed Leheta

ABSTRACT
Stirling engines have been invented since 1817. Their advantages include their near silent operation, their environmental friendly nature, as well as their high theoretical efficiency, their ability to run directly on any available heat source, as well as low explosion risk. Their applications include transportation, electricity generation and refrigeration. However, to date their disadvantages have completely precluded their widespread in these applications. Motivated by their major advantages, which we believe that should completely outweigh the disadvantages; the present survey reviews the basic principles of Stirling engine operation and discusses how the emerging computational fluid dynamics (CFD) methods can be used to optimize Stirling engines. We will show how CFD-optimized Stirling engines can overcome conventional Stirling engine challenges and promote their use on a larger scale

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