Volume 26, Issue 1 (7-2007)                   2007, 26(1): 209-219 | Back to browse issues page

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A. Nouri, and M. Nili-Ahmadabadi. Nusselt Number Measurement of Air Flow between Grooved Rotor and Stator of a Generator. Journal of Advanced Materials in Engineering (Esteghlal) 2007; 26 (1) :209-219
URL: http://jame.iut.ac.ir/article-1-416-en.html
Nusselt Number Measurement of Air Flow between Grooved Rotor and Stator of a Generator
A. Nouri * , And M. Nili-Ahmadabadi
Abstract:   (6407 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
Keywords: Heat transfer, Turbulent flow, Forced convection, Grooved rotor, Stator
Full-Text [PDF 810 kb]   (1381 Downloads)    
Type of Study: Research | Subject: General
Received: 2014/10/25 | Published: 2007/07/15
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