Holiday book sale: Save up to 30% on print and eBooks. No promo code needed.
Save up to 30% on print and eBooks.
Axial Flow Fans
Design and Practice
1st Edition - January 1, 1961
Author: R. A. Wallis
9 7 8 - 1 - 4 8 3 2 - 7 4 2 2 - 5
Axial Flow Fans: Design and Practice focuses on the design of axial flow fans and the practices involved in their applications. The manuscript first offers information on the… Read more
Save 50% on book bundles
Immediately download your ebook while waiting for your print delivery. No promo code is needed.
Axial Flow Fans: Design and Practice focuses on the design of axial flow fans and the practices involved in their applications. The manuscript first offers information on the fluid mechanics of ducted fans, boundary layer and skin friction relations, and aerofoil data for blade design. Discussions focus on flow deflection in cascade of aerofoils, pitching moment, lift, surface roughness in turbulent boundary layers, turbulent boundary layers in pressure gradients, laminar skin friction, viscosity and boundary layers, and similarity and non-dimensional numbers. The text then ponders on vortex flows in ducting and fan, ducts, and introduction to fan design methods. The book takes a look at the momentum and blade element considerations on free vortex flow of rotor and rotor losses. Topics include momentum considerations, profile drag, tip clearance losses, optimum conditions in terms of the flow and swirl coefficients, pressure relations and velocity vectors, and thrust and torque gradients. Tail fairing design and associated losses, overall efficiencies, torque, thrust, and power, and the design of fan unit with arbitrary vortex flow are also discussed. The publication is a dependable source of information for engineers and readers interested in the design of axial flow fans and practices involved in their operation.
1. Introduction2. Introduction to the Fluid Mechanics of Ducted Fans3. Boundary Layer and Skin Friction Relations4. Aerofoil Data for Blade Design5. Vortex Flows in Ducting and Fan6. Ducts7. Introduction to Fan Design Methods8. Rotor: Momentum Considerations—Free Vortex Flow9. Rotor: Blade Element Considerations—Free Vortex Flow10. Rotor Losses11. Stator Design12. Stator Losses13. Tail Fairing Design and Associated Losses14. Overall Efficiencies15. Torque, Thrust and Power16. Design of Fan Unit with Arbitrary Vortex Flow17. Noise18. Design Examples19. Rotor Analysis20. Stator Analysis and Overall Fan Unit Performance21. Variable Pitch Rotors and Examples of Fan Analysis22. Fan Testing23. Review of Design AssumptionsAppendix: Free FansNotationTablesReferencesIndex