Volume 26, Issue 1 (7-2007)
2007, 26(1): 209-219 |
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A. Nouri, and M. Nili-Ahmadabadi. Nusselt Number Measurement of Air Flow between Grooved Rotor and Stator of a Generator. Computational Methods in Engineering 2007; 26 (1) :209-219
URL: http://jcme.iut.ac.ir/article-1-416-en.html
URL: http://jcme.iut.ac.ir/article-1-416-en.html
Abstract: (4368 Views)
In this article, turbulent flow heat transfer in the air gap between rotor and stator of a generator under nonhomogeneous heat flux is studied experimentally. The rotor consists of four symmetrical triangular grooves. The stator surface is smooth and does not include any grooves. The relative heat flux between the rotor and the stator is 1 to 3. Temperature and heat flux are measured locally at three axial and two angular positions of inner and outer surface. The pressure drop of air flow through the air gap is also measured. In this work, the axial Reynolds number and rotational velocity of the rotor ranges are 4000
