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JSIR Vol.65(04) [April 2006] >


Title: Prediction of air delivery, noise and power consumption of fan for TEFC electric motors
Authors: Desale, Rajgopal
Deshmukh, N K
Keywords: Air delivery
Air velocity
Blade frequency
Noise level
Operating point
Power consumption
Pressure loss
Static pressure
System resistance
Velocity pressure
Volumetric loss
Issue Date: Apr-2006
Publisher: CSIR
Abstract: This paper describes the method for estimating air delivery, noise and power consumed by fan for TEFC (Totally Enclosed Fan Cooled) motor at design stage itself. It is a program based on semi-empirical relations with constants derived from extensive experiments. Program (in C++) is provided with inputs with regard to fan geometry, rotational speed and system resistance, the programme gives necessary output for air delivery, noise and power consumed. Optimisation is done based on the weightage factor provided by the user. Fans for different frame size were designed, developed, tested and results compared with predicted values and found to be within 10% for air delivery and noise. However, power consumption results were within 15%.
Page(s): 344-348
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.65(04) [April 2006]

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