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Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator

Easily calculate and compute hydroelectric spillway ogee crest discharge coefficient calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
738.4 m³/s

Spillway Flood Discharge Rate (Q)

Spillway Flood Discharge Rate (Q)

738.4 m³/s

Ogee Discharge Coefficient C0

2.21

Unit Discharge Per Meter M2 Per S

21.1

Nappe Cavitation Status

Subatmospheric Suction Safe (Operation at or below Design Head)

738.4 — m³/s

Calculation Breakdown

  1. Applied FormulaModels USBR standard overflow ogee crest profile discharge rates, total effective energy head He, variable discharge coefficient C0, and nappe aeration under design flood conditions.Q = C_0 L H_e^{3/2}, \quad C_0 = 2.2 \left[ 1 + 0.045 \left(\frac{h_a}{H_0}\right) \right]

Spillway Ogee Crest Discharge Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.0185369554738Spillway Flood Discharge Rate (Q)

What Is the Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator?

This tool computes hydroelectric spillway ogee crest discharge coefficient calculator with high precision arithmetic.

How Does the Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator Work?

Models USBR standard overflow ogee crest profile discharge rates, total effective energy head He, variable discharge coefficient C0, and nappe aeration under design flood conditions.

Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Q=C0LHe3/2,C0=2.2[1+0.045(haH0)]Q = C_0 L H_e^{3/2}, \quad C_0 = 2.2 \left[ 1 + 0.045 \left(\frac{h_a}{H_0}\right) \right]

Models USBR standard overflow ogee crest profile discharge rates, total effective energy head He, variable discharge coefficient C0, and nappe aeration under design flood conditions.

How to Use the Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Hydroelectric Spillway Ogee Crest Discharge Coefficient Calculator Example

Input Values:

designHeadMeters:4.5
effectiveCrestLengthMeters:35
damUpstreamHeightMeters:18
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required m³/s.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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