Chapter 5: Fans and Blowers
| 5.0 | Introduction | 3 |
| 5.1 | Fans / Blowers Related Important References | 3 |
| 5.2 | Fan / Blower Terminology | 3 |
| 5.2.1 | Total Pressure versus Static Pressure | 5 |
| 5.3 | Performance of Fans / Blowers | 6 |
| 5.3.1 | Performance Curve of Fan / Blowers | 6 |
| 5.3.2 | System Characteristics | 9 |
| 5.3.3 | Fan Characteristics | 9 |
| 5.3.4 | System Characteristics and Fan Curves | 10 |
| 5.4 | Classification of Fans / Blowers | 12 |
| 5.4.1 | Axial Flow Fans | 14 |
| 5.4.2 | Centrifugal Fans | 19 |
| 5.4.3 | Centrifugal Blower | 22 |
| 5.4.4 | Drive Arrangement | 23 |
| 5.4.5 | Comparison amongst Various Centrifugal Fan Types | 24 |
| 5.4.5.1 | Fan Design and Selection | 24 |
| 5.4.5.2 | Fan Performance and Efficiency | 24 |
| 5.4.5.3 | Centrifugal Fans / Blowers with AF Blades | 26 |
| 5.4.5.4 | Centrifugal Fans / Blowers with BC and BI Blades | 27 |
| 5.4.5.5 | Centrifugal Fans / Blowers with Radial Tip Blades (RT) | 29 |
| 5.4.5.6 | Centrifugal Fans / Blowers with Forward Curved (FC) Blades | 30 |
| 5.4.5.7 | Pressure Blowers, Turbo Blowers | 33 |
| 5.4.5.8 | Axial-Centrifugal Fan / Blowers | 34 |
| 5.4.5.9 | Vortex Blowers | 35 |
| 5.5 | Process Control of Fan / Blowers | 42 |
| 5.5.1 | Series and Parallel Operation | 44 |
| 5.5.2 | Factors to be considered in the Selection of Flow Control Methods | 46 |
| 5.5.3 | Comparisons of Similar Fans & Blowers | 50 |
| 5.6 | Process Calculation for Fans / Blowers | 54 |
| 5.7 | Process Data Sheet for Fans & Blowers | 55 |
| 5.8 | Technical Bid Analysis | 57 |
| 5.9 | Fans & Blower Glossary | 58 |
| 5.10 | References | 59 |
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