Toward Improved Rotor-Only Axial Fans—Part II: Design Optimization for Maximum Efficiency-Reference-Cited by-同舟云学术

Toward Improved Rotor-Only Axial Fans—Part II: Design Optimization for Maximum Efficiency

Published:2000-01-21 Issue:2 Volume:122 Page:324-329
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

So̸rensen D. N.¹,Thompson M. C.²,So̸rensen J. N.¹

Affiliation:

1. Department of Energy Engineering, Technical University of Denmark, DK2800 Lyngby, Denmark

2. Department of Mechanical Engineering, Monash University, Clayton, Vic. 3168, Australia

Abstract

Numerical design optimization of the aerodynamic performance of axial fans is carried out, maximizing the efficiency in a design interval of flow rates. Tip radius, number of blades, and angular velocity of the rotor are fixed, whereas the hub radius and spanwise distributions of chord length, stagger angle, and camber angle are varied to find the optimum rotor geometry. Constraints ensure a pressure rise above a specified target and an angle of attack on the blades below stall. The optimization scheme is used to investigate the dependence of maximum efficiency on the width of the design interval and on the hub radius. [S0098-2202(00)01602-3]

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/122/2/324/5645954/324_1.pdf

Reference13 articles.

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2. Wallis, R. A., 1961, Axial Flow Fans. Design and Practice, George Newnes Limited, London.

3. Wallis, R. A. , 1968, “Optimisation of Axial Flow Fan Design,” Mechanical and Chemical Engineering Transactions, The Institution of Engineers, Australia, MC4, No. 1, pp. 31–37.

4. Dugao, Z., Jiang, Z., and Song, J., 1996, “Optimization Design of an Axial Flow-Fan Used for Mining Local-Ventilation,” Comput. Ind. Eng., 31, No. 3, pp. 691–696.

5. Bolton, A. N., 1990, “Installation Effects in Fan Systems,” Proceedings of the Institution of Mechanical Engineers, Part A 204, pp. 201–215.

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