AXISYMMETRIC STUDY OF HEAT TRANSFER IN PRESWIRL ROTOR-STATOR SYSTEM
Publish place: 14th Annual Conference of Mechanical Engineering
Publish Year: 1385
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME14_599
تاریخ نمایه سازی: 1 فروردین 1386
Abstract:
In a ''direct-transfer'' pre-swirl supply system, cooling air flows axially across the wheel space from stationary pre-swirl nozzles to receiver holes located at a higher radius in the rotating turbine disc. This paper describe axismmetric numerical study in such system. As 3D computations incur long computation time and needs a huge amount of resources, A simplified aixsymmetric model has been built to study the effects of flow parameter on flow and heat transfer in a rotor-stator pre-swirl system. This allows the effects of the main non-dimensional parameters on the flow and heat transfer in the system to be studied with computation time reduced by a factor of around 7 compared with 3-dimensional computation. Available measured data are also compared with computed values obtained from the simplified solver.
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Authors
Mahmood Farzaneh-Gord
Assistant Professor, Faculty of Mechanical Engineering, Shahrood University of Technology, Shahrood, Iran
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