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Application of Suction Scoops to Improve Pump-Approach Flow Distributions in Three-Pump Intake Bays

Nakato, Tatsuaki

Two geometrically undistorted models of St. Louis Water Company's Meramec Plant Intakes 1 and 2 were constructed at a scale of 1:5 in order to solve chronic pump-vibration problems. Because of the unconventional layouts of small, deep, rectangular pump pits with three pumps each, vertical-pump inverted drafttubes (VPIDs) were developed. Each intake chamber was divided into three individual bays using two vertical partition walls. Each VPID included a two-segment straight-line suction scoop, a floor splitter, a backwall splitter, two sidewall floor-corner fillets, two vertical backwall corner fillets, flow-turning vanes, and a vertical guidewall at the VPID entrance. In this paper only modeling efforts on Intake 1 are described. This is the second VPID model designed by IIHR — Hydroscience and Engineering (IIHR), The University of Iowa.

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Application of Suction Scoops to Improve Pump-Approach Flow Distributions in Three-Pump Intake Bays

Nakato, Tatsuaki

Two geometrically undistorted models of St. Louis Water Company's Meramec Plant Intakes 1 and 2 were constructed at a scale of 1:5 in order to solve chronic pump-vibration problems. Because of the unconventional layouts of small, deep, rectangular pump pits with three pumps each, vertical-pump inverted drafttubes (VPIDs) were developed. Each intake chamber was divided into three individual bays using two vertical partition walls. Each VPID included a two-segment straight-line suction scoop, a floor splitter, a backwall splitter, two sidewall floor-corner fillets, two vertical backwall corner fillets, flow-turning vanes, and a vertical guidewall at the VPID entrance. In this paper only modeling efforts on Intake 1 are described. This is the second VPID model designed by IIHR — Hydroscience and Engineering (IIHR), The University of Iowa.

Application of Suction Scoops to Improve Pump-Approach Flow Distributions in Three-Pump Intake Bays

Nakato, Tatsuaki

Two geometrically undistorted models of St. Louis Water Company's Meramec Plant Intakes 1 and 2 were constructed at a scale of 1:5 in order to solve chronic pump-vibration problems. Because of the unconventional layouts of small, deep, rectangular pump pits with three pumps each, vertical-pump inverted drafttubes (VPIDs) were developed. Each intake chamber was divided into three individual bays using two vertical partition walls. Each VPID included a two-segment straight-line suction scoop, a floor splitter, a backwall splitter, two sidewall floor-corner fillets, two vertical backwall corner fillets, flow-turning vanes, and a vertical guidewall at the VPID entrance. In this paper only modeling efforts on Intake 1 are described. This is the second VPID model designed by IIHR — Hydroscience and Engineering (IIHR), The University of Iowa.

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Title:

Application of Suction Scoops to Improve Pump-Approach Flow Distributions in Three-Pump Intake Bays

Contributors:

Nakato, Tatsuaki (author)

Conference:

World Water and Environmental Resources Congress 2004 ; 2004 ; Salt Lake City, Utah, United States

Published in:

Critical Transitions in Water and Environmental Resources Management ; 1-10

Publication date:

2004-06-25

ISBN:

DOI:

https://doi.org/10.1061/40737(2004)184

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Pumping stations , Suction , Vortices , Water distribution systems , Environmental engineering , Water resources , Water management , Restoration , Arid lands , Best Management Practice , Water supply , Water intakes , Missouri

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