Cross-Sectional Area Of Entrance Given Water Volume Exchanged During Entire Tide Period Calculator

Formula Used:

\[ AE = \frac{Vw}{G \times \sqrt{H2 \times h'}} \]

Total Water Volume (Vw):

m³/s

Coefficient for Harbors (G):

Broad Sense Heritability (H2):

Average Harbor Depth (h'):

Cross Sectional Area of Entrance (AE):

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1. What is Cross-Sectional Area of Entrance?

Cross-Sectional Area of Entrance describes the formation of a velocity profile caused by viscous forces propagating from the pipe wall. It is an important parameter in hydraulic engineering and harbor design.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ AE = \frac{Vw}{G \times \sqrt{H2 \times h'}} \]

Where:

\( AE \) — Cross Sectional Area of Entrance (m²)
\( Vw \) — Total Water Volume (m³/s)
\( G \) — Coefficient for Harbors
\( H2 \) — Broad Sense Heritability
\( h' \) — Average Harbor Depth (m)

Explanation: This formula calculates the cross-sectional area based on water volume, harbor coefficient, heritability factor, and average depth.

3. Importance of Cross-Sectional Area Calculation

Details: Accurate calculation of cross-sectional area is crucial for proper harbor design, water flow management, and ensuring efficient water exchange during tidal periods.

4. Using the Calculator

Tips: Enter total water volume in m³/s, coefficient for harbors, broad sense heritability, and average harbor depth in meters. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is the significance of the coefficient for harbors?
A: The coefficient represents the importance, capacity, or efficiency of harbors and is used to assess size, depth, accessibility, infrastructure, and services provided by harbors.

Q2: Why is broad sense heritability included in this calculation?
A: Broad sense heritability reflects all the genetic contributions to a population's phenotypic variance and may be relevant in certain environmental and hydraulic modeling contexts.

Q3: How does average harbor depth affect the calculation?
A: Average harbor depth directly influences the cross-sectional area calculation as it affects the overall water volume capacity and flow characteristics.

Q4: What units should be used for input values?
A: Water volume should be in m³/s, harbor depth in meters, while the coefficient and heritability are dimensionless values.

Q5: When is this calculation most useful?
A: This calculation is particularly useful in harbor engineering, tidal basin design, and water exchange studies during complete tidal cycles.