Table of Contents

Keynote Paper C631/100/2004 Fans - just how mature are they? W T W Cory 3 Noise and Vibration C631/013/2004 Acoustic optimization of refrigerated foods display case D Hopkins 11 C631/009/2004 Prediction of fan broadband noise A Guedel, M Roger, C Truffinet, and S Moreau 25 C631/018/2004 Performance enhancement using blade tip injection coupled with casing treatment B H Beheshti, J A Teixeira, P C Ivey, K Ghorbanian, and B Farhanieh 35 C631/019/2004 The application of winglets in small fans to achieve a noise reduction W Angelis and G Eimer 45 C631/003/2004 Aerotip reduces pulsation and enhances the performances of air cooling fans H F van der Spek 51 C631/002/2004 Controlling fan vibration with active balancing to solve serious reliability and maintenance problems A J Winzenz 61 Small Fans and Motors C631/001/2004 Novel concepts for improved brushless fan motors A Lelkes 73 Computational Fluid Dynamics C631/005/2004 Computational techniques for aeroelasticity and aero-acoustic analyses of aero-engine fan assemblies X Wu, A I Sayma, W Vahdati, and M Imregun 85 C631/016/2004 Utilization of CFD in development of centrifugal fan aerodynamics J A Tallgren, D A Sarin, and A G Sheard 99 C631/020/2004 Flow-field downstream of an axial-flow fan - comparison between numerical simulations and experimental results at different loads P Puddu 119 C631/039/2004 Design of a box fan rotor using three-dimensional inverse design method H Okamoto, H Watanabe, M Zangeneh, and A Goto 129 Cooling Applications C631/030/2004 Reduction of cooling fan usage through control applications in automotive air-conditioning systems K Chan and R Pritchard 141 C631/025/2004 Advanced velocity profile behind aircoolers using a streamer E Reichert 151 C631/026/2004 Using brushless DC-motors for automotive applications - performance range 250 W up to 1000 W H Schneeweiss 159 C631/031/2004 Experimental investigation to determine the influence of an air-handling unit on the characteristics and acoustics of plug centrifugal fans O Sadi and P Kremer 169 Operation and Maintenance C631/022/2004 Detailed experimental investigation of the flow field during design and off-design operation of a squirrel cage fan S Cabitza, F Nurzia, C Palomba, and P Pudda 181 C631/011/2004 Energy savings by improved application of fans in an air handling unit G Lockwood 191 C631/008/2004 Fan performance improvements on an existing installation - a case study K Lownie and R Bourcier 201 C631/010/2004 Do fans cause furnace implosions? R G Adams 211 Impact of Technology, Legislation, and Testing C631/007/2004 Fan technology - evolutionary potential and evolutionary limits D Mann 225 C631/028/2004 Do you know... a hawk from a handsaw, or a pressure vessel from a fan, (or why we need a technical fan specification)? A A Hutchings 235 C631/034/2004 Industrial fans - performance testing using standardized airways M R Stevens 243 Fan Design C631/023/2004 A more flexible approach to fan retro-fits R Mulholland and J Irons 255 C631/006/2004 Centrifugal fans for desulphurization service - a manufacturing experience P Saccenti and S Di Vincenzo 271 C631/036/2004 Fan selection - a practical guide C Halstead 283 C631/038/2004 Fan design for hovercraft and impact of new technology J L Allison, B G Forstell, and M L McCain 297 C631/017/2004 Time-accurate investigation of the rotor - struts interaction effects in an industrial axial-flow fan J A Teixeira, A Tourlidakis, I R Kinghorn, and A G Sheard 307 C631/032/2004 The design of a ducted fan for a scale model of a Harrier Jump-Jet P R Emmerson and G C Horton 321 C631/012/2004 Reverse axial-flow fans in ventilation systems V Cyrus, P Wurst, and P Koci 335 C631/015/2004 Computational and experimental surveys of three similar industrial axial-flow fans J A Teixeira, A Tourlidakis, I R Kinghorn, and A G Sheard 345 C631/004/2004 Characteristics of performance with different shapes of blades in centrifugal blower J W Kim and A Y Ahn 359 Authors' Index 369

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The IMechE is the United Kingdom's qualifying body for mechanical engineers and the home of mechanical engineers for over 150 years. Around 75,000 engineers world-wide are members.