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Estuary Number is used in the study of estuarine circulation, which refers to the residual flow pattern in an estuary induced by the density difference between seawater and river water. Check FAQs
E=PFr2QrT
E - Estuary Number?P - Volume of Tidal Prism?Fr - Froude Number?Qr - Fresh Water River Flow?T - Tidal Period?

Dimensionless Estuary number Example

With values
With units
Only example

Here is how the Dimensionless Estuary number equation looks like with Values.

Here is how the Dimensionless Estuary number equation looks like with Units.

Here is how the Dimensionless Estuary number equation looks like.

6.1538Edit=40Edit10Edit25Edit130Edit
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Dimensionless Estuary number Solution

Follow our step by step solution on how to calculate Dimensionless Estuary number?

FIRST Step Consider the formula
E=PFr2QrT
Next Step Substitute values of Variables
E=401025m³/s130s
Next Step Prepare to Evaluate
E=401025130
Next Step Evaluate
E=6.15384615384615
LAST Step Rounding Answer
E=6.1538

Dimensionless Estuary number Formula Elements

Variables
Estuary Number
Estuary Number is used in the study of estuarine circulation, which refers to the residual flow pattern in an estuary induced by the density difference between seawater and river water.
Symbol: E
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Volume of Tidal Prism
Volume of Tidal Prism is the volume of water in an estuary or inlet between mean high tide and mean low tide, or the volume of water leaving an estuary at ebb tide.
Symbol: P
Measurement: VolumeUnit:
Note: Value can be positive or negative.
Froude Number
Froude Number is the measurement of bulk flow characteristics such as waves, sand bedforms, flow or depth interactions at a cross-section or between boulders.
Symbol: Fr
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Fresh Water River Flow
Fresh Water River Flow is the degree of mixing in an estuary and can be approximately related to the ratio between the volume of the tidal prism and the river flow.
Symbol: Qr
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Tidal Period
Tidal Period is the time taken for a specific site on Earth to rotate from an exact point under moon to same point under moon, also known as “tidal day” and it’s slightly longer than a solar day.
Symbol: T
Measurement: TimeUnit: s
Note: Value can be positive or negative.

Other Formulas to find Estuary Number

​Go Estuary Number given Froude Number and Mixing Parameter
E=Fr2M

Other formulas in Salinity Variations with Tide category

​Go Mixing Parameter
M=QrTP
​Go Volume of Tidal Prism given Mixing Parameter
P=QrTM
​Go Fresh Water River Flow given Mixing Parameter
Qr=MPT
​Go Tidal Period given Mixing Parameter
T=MPQr

How to Evaluate Dimensionless Estuary number?

Dimensionless Estuary number evaluator uses Estuary Number = (Volume of Tidal Prism*Froude Number^2)/(Fresh Water River Flow*Tidal Period) to evaluate the Estuary Number, The Dimensionless Estuary number formula is defined as the parameter used in the study of estuarine circulation, which refers to the residual flow pattern in an estuary induced by the density difference between seawater and river water. Estuary Number is denoted by E symbol.

How to evaluate Dimensionless Estuary number using this online evaluator? To use this online evaluator for Dimensionless Estuary number, enter Volume of Tidal Prism (P), Froude Number (Fr), Fresh Water River Flow (Qr) & Tidal Period (T) and hit the calculate button.

FAQs on Dimensionless Estuary number

What is the formula to find Dimensionless Estuary number?
The formula of Dimensionless Estuary number is expressed as Estuary Number = (Volume of Tidal Prism*Froude Number^2)/(Fresh Water River Flow*Tidal Period). Here is an example- 6.153846 = (40*10^2)/(5*130).
How to calculate Dimensionless Estuary number?
With Volume of Tidal Prism (P), Froude Number (Fr), Fresh Water River Flow (Qr) & Tidal Period (T) we can find Dimensionless Estuary number using the formula - Estuary Number = (Volume of Tidal Prism*Froude Number^2)/(Fresh Water River Flow*Tidal Period).
What are the other ways to Calculate Estuary Number?
Here are the different ways to Calculate Estuary Number-
  • Estuary Number=Froude Number^2/Mixing ParameterOpenImg
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