MEBS6008 Environmental Services II

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Fans and Pumps I

1.  Centrifugal Pumps

• Types and operation
• Pump characteristics
• Cavitation and net positive suction

2.  Pump Arrangements

• Pump design criteria and selection
• Pump arrangements and control
• Parallel and series pumping
• Variable speed and distributed pumping

3.  Matching Pumps to Systems

• Design considerations
• Plant loop and building loop
• Chiller plant operation and performance

[Download PowerPoint file]

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References:

• ASHRAE, 2004. ASHRAE Handbook HVAC Systems and Equipment 2004, Chp. 39 - Centrifugal Pumps, American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc., Atlanta, GA. [AV 697 A82 H01]
• Hoffman, R. D., 1995. All About Pumps [electronic resource], Version 2.08, The Animated Software Company, Carlsbad, CA. [AVX 621.602855369 H69]
• Race, G. L. and Mitchell, S., 2003. A Practical Guide to HVAC Building Services Calculations, Building Services Research and Information Association, Bracknell, Berkshire, England, pp. 57-74. [697 R1 p]
• Trane Company, 2001. Chilled-water Systems, Trane Company, La Crosse, Wisconsin. [697.93 A29 T16]
• Wang, S. K., 2001. Handbook of Air Conditioning and Refrigeration, 2nd ed., Chp. 7, McGraw-Hill, New York. [697.93 W24 h][* available in eBook]
• Hegberg, R. A., 1999. Fundamentals of Water System Design, Chp. 4 & 8, American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc., Atlanta, GA. [697 H46]

Web Links:

• Learning about Centrifugal Pumps

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Additional References: (for those who are interested in variable-primary-flow chilled water system)

• Variable primary flow chilled water systems [videorecording, 90 min.], American Standard Inc. and Trane, La Crosse, Wiscosin, 2003. [AV 697.93 V29 A]
• Variable-primary-flow systems revisited, by Mick Schwedler PE, 2002. [Trane Engineers Newsletter][PDF]
• An idea for chilled-water plants whose time has come: Variable-primary-flow systems, by Mick Schwedler PE, 1999. [Trane Engineers Newsletter][PDF]

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| Created: Nov 2004 | Update: 19 Jan 2008 | By: cmhui@hku.hk |