Computer aided aerofoil bladed propeller and tubeaxial fan design

Pao Yue-kong Library Electronic Theses Database

Computer aided aerofoil bladed propeller and tubeaxial fan design

 

Author: Kwan, Kam-tim Timmy
Title: Computer aided aerofoil bladed propeller and tubeaxial fan design
Degree: M.Sc.
Year: 1999
Subject: Fans (Machinery) -- Design
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Mechanical Engineering
Pages: xvii, 117, [58] leaves : ill. (some col.) ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1479203
URI: http://theses.lib.polyu.edu.hk/handle/200/270
Abstract: This dissertation reports on study of the design approach with computer aided for aerofoil bladed propeller and tubeaxial fan with low pressure rise duty. The use of computer techniques for the fan rotor blade design has been discussed and achieved by using Microsoft Visual Basic Programming with appropriate design theories and approaches, i.e. free vortex law, aerofoil blade element theory, Euler equation and carpet plot, etc.. The application of those theories and approaches have been reviewed and illustrated in this dissertation. Three major types of fan blade profile, i.e. Gottingen Profile, C4 Profile, and Circular- Arc Cambered Plate Profile have been adopted in the design program and the performance of these three type of blade profiles have also been discussed in term of blading efficiency and noise criteria in this dissertation. The prediction of the noise level generated from fan rotor and fan overall efficiency can be calculated by the fan design program. The results of noise and blading performance of the fan rotor are represented in graphical form. The detailed design of the geometry for the rotor blade profiles can be given from the results of the design program. The influences of the choice of aerofoil blade profiles on the noise effect and blading efficiency have been discussed in details. The results of the performances have also been predicted here and compared with the investigation from other investigator. The design examples are available in this dissertation for the illustration of the fan design program. It is also compared with the design from other designer to verify the design from the program.

Files in this item

Files Size Format
b14792035.pdf 7.439Mb PDF
Copyright Undertaking
As a bona fide Library user, I declare that:
  1. I will abide by the rules and legal ordinances governing copyright regarding the use of the Database.
  2. I will use the Database for the purpose of my research or private study only and not for circulation or further reproduction or any other purpose.
  3. I agree to indemnify and hold the University harmless from and against any loss, damage, cost, liability or expenses arising from copyright infringement or unauthorized usage.
By downloading any item(s) listed above, you acknowledge that you have read and understood the copyright undertaking as stated above, and agree to be bound by all of its terms.

     

Quick Search

Browse

More Information