ANSI/HI Standard addresses rotodynamic pump intake design.
Press Release Summary:
January 21, 2013 - ANSI/HI 9.8–2012 Rotodynamic Pumps for Pump Intake Design enables designers, owners, and users to configure functional pumping facility designs and provides remedial measures for problem intakes. Flowchart serves as guide to use of standard and can be used to locate appropriate sections. In addition toÂ rectangular, formed suction, unconfined, and trench-type intakes, standard coversÂ circular pump stations, pump suction tanks, and circular plan wet pit for solids-bearing liquids.
Original Press Release
Hydraulic Institute Publishes ANSI/HI 9.8-2012 Rotodynamic Pumps for Pump Intake Design Standard
Press release date: January 17, 2013
The standard provides a flowchart to serve as a guide to the use of this standard and can be used to locate the appropriate section(s) in the standard.
The following types of intakes are included in this standard:
• Rectangular intakes
• Formed suction intakes
• Circular pump stations
• Trench-type intakes for clear liquids and for solids-bearing liquids
• Tanks – pump suction
• Can vertical turbine pump intakes
• Unconfined intakes
• Circular plan wet pit for solids-bearing liquids
Other topics of interest in this standard include:
• Physical model studies of intake structures and when they are necessary
• Inlet bell design
• Required submergence for minimizing surface vortices
• Computational fluid dynamics (CFD)
• Performance enhancements for trench-type wet wells
• Alternate formed suction intake designs
The updated standard is available for purchase at the HI eStore for $225.00 and is available in both hardcopy and pdf formats.
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