By F.A. Kilpatrick and V.R. Schneider
Preface
Symbols, Definitions, and Units
Unit Conversion
Abstract
Introduction
Purpose and scope
Principles governing the design of flumes
Type I. Tranquil flow, small width reduction
Type II. Critical flow, large width reduction
Type III. Tranquil flow, small increase in bed elevation
Type IV. Supercritical flow, width reduction steep slope
Type V. Supercritical flow, width reduction, drop in bed elevation
Type VI. Supercritical flow, steep slope
Parshall flume
Development
Configuration
Head-discharge relations
Portable Parshall flume
Configuration
Installation and operation
HS, H, and HL flumes
Configuration
Construction and installation
San Dimas flume
Configuration
Head-discharge relations
Modified San Dhm flume
Configuration
Head-discharge relations
Trapezoidal supercritical-flow flume
General design
Head-discharge relations
One-foot trapezoidal flume
Three-foot trapezoidal flume
Eight-foot trapezoidal flume
Flume selection and placement
Selection
Placement
Sample problem: critical-flow flume (Parshall flume)
Sample problem: supercritical-flow flume
Construction of flumes
General
Prefabricated construction
Cast in-place construction
Operation of flumes
Measurement of head
Current-meter measurement of discharge
Winter operation
Precalibrated discharge ratings versus in-place calibrations
Shift in the head-discharge relations
Discharge-rating shifts for critical-flow flumes
Discharge-rating shifts for supercritical-flow flumes
Summary
Selected references
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