Energy Dissipation Rate by Battjes and Janssen Solution

STEP 0: Pre-Calculation Summary
Formula Used
Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2)
δ = 0.25*ρwater*[g]*QB*fm*(Hmax^2)
This formula uses 1 Constants, 5 Variables
Constants Used
[g] - Gravitational acceleration on Earth Value Taken As 9.80665
Variables Used
Energy Dissipation Rate per unit Surface Area - Energy Dissipation Rate per unit Surface Area due to Wave Breaking.
Water Density - (Measured in Kilogram per Cubic Meter) - Water Density is mass per unit of water.
Percentage of Waves Breaking - Percentage of Waves Breaking to calculate energy dissipation rate is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur.
Mean Wave Frequency - (Measured in Hertz) - Mean Wave Frequency for energy dissipation.
Maximum Wave Height - (Measured in Meter) - Maximum Wave Height that is most probable influenced by the difference between the elevations of a crest and a neighboring trough.
STEP 1: Convert Input(s) to Base Unit
Water Density: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Percentage of Waves Breaking: 2 --> No Conversion Required
Mean Wave Frequency: 8 Hertz --> 8 Hertz No Conversion Required
Maximum Wave Height: 0.7 Meter --> 0.7 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
δ = 0.25*ρwater*[g]*QB*fm*(Hmax^2) --> 0.25*1000*[g]*2*8*(0.7^2)
Evaluating ... ...
δ = 19221.034
STEP 3: Convert Result to Output's Unit
19221.034 --> No Conversion Required
FINAL ANSWER
19221.034 19221.03 <-- Energy Dissipation Rate per unit Surface Area
(Calculation completed in 00.020 seconds)

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Coorg Institute of Technology (CIT), Coorg
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13 Energy Flux Method Calculators

Energy Dissipation Rate per unit Surface Area due to Wave Breaking
Go Energy Dissipation = (Decay Coefficient in Coastal Engi./Water Depth of Coast)*((Wave Energy Per Unit Surface Area*Wave Group Speed in Coastal Eng.)-(Energy Flux associated with Stable Wave Height))
Maximum Wave Height given Energy Dissipation Rate
Go Maximum Wave Height = sqrt(Energy Dissipation Rate per unit Surface Area/(0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency))
Water Depth given Energy Dissipation Rate per unit Surface Area due to Wave Breaking
Go Water Depth = Decay Coefficient*(Wave Energy*Wave Group Speed-(Energy Flux associated with Stable Wave Height))/Energy Dissipation Rate per unit Surface Area
Percentage of Waves Breaking given Energy Dissipation Rate
Go Percentage of Waves Breaking = Energy Dissipation Rate per unit Surface Area/(0.25*Water Density*[g]*Mean Wave Frequency*(Maximum Wave Height^2))
Mean Wave Frequency given Energy Dissipation Rate
Go Mean Wave Frequency = Energy Dissipation Rate per unit Surface Area/(0.25*Water Density*[g]*Percentage of Waves Breaking*Maximum Wave Height^2)
Energy Dissipation Rate by Battjes and Janssen
Go Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2)
Water Depth given Maximum Wave Height by Miche criterion
Go Water Depth = ((atanh(Maximum Wave Height/(0.14*Wavelength of Coast)))/Wave Number for Waves in Coast)
Wave Number given Maximum Wave Height by Miche Criterion
Go Wave Number for Waves in Coast = atanh(Maximum Wave Height/(0.14*Wavelength of Coast))/Water Depth
Wavelength given Maximum Wave Height by Miche Criterion
Go Wavelength of Coast = Maximum Wave Height/(0.14*tanh(Wave Number for Waves in Coast*Water Depth))
Maximum Wave Height using Miche Criterion
Go Maximum Wave Height = 0.14*Wavelength of Coast*tanh(Water Depth*Wave Number for Waves in Coast)
Energy Flux associated with Stable Wave Height
Go Energy Flux associated with Stable Wave Height = Wave Energy*Wave Group Speed in Coastal Eng.
Stable Wave Height
Go Height of Wave = 0.4*Water Depth of Coast
Water Depth given Stable Wave Height
Go Water Depth = Stable Wave Height/0.4

Energy Dissipation Rate by Battjes and Janssen Formula

Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2)
δ = 0.25*ρwater*[g]*QB*fm*(Hmax^2)

What is Wave Height?

In fluid dynamics, the wave height of a surface wave is the difference between the elevations of a crest and a neighboring trough. Wave height is a term used by mariners, as well as in coastal, ocean and naval engineering.

How to Calculate Energy Dissipation Rate by Battjes and Janssen?

Energy Dissipation Rate by Battjes and Janssen calculator uses Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2) to calculate the Energy Dissipation Rate per unit Surface Area, The Energy Dissipation Rate by Battjes and Janssen is defined as the parameter to determine the amount of energy lost by the viscous forces in the turbulent flow. Energy Dissipation Rate per unit Surface Area is denoted by δ symbol.

How to calculate Energy Dissipation Rate by Battjes and Janssen using this online calculator? To use this online calculator for Energy Dissipation Rate by Battjes and Janssen, enter Water Density water), Percentage of Waves Breaking (QB), Mean Wave Frequency (fm) & Maximum Wave Height (Hmax) and hit the calculate button. Here is how the Energy Dissipation Rate by Battjes and Janssen calculation can be explained with given input values -> 19221.03 = 0.25*1000*[g]*2*8*(0.7^2).

FAQ

What is Energy Dissipation Rate by Battjes and Janssen?
The Energy Dissipation Rate by Battjes and Janssen is defined as the parameter to determine the amount of energy lost by the viscous forces in the turbulent flow and is represented as δ = 0.25*ρwater*[g]*QB*fm*(Hmax^2) or Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2). Water Density is mass per unit of water, Percentage of Waves Breaking to calculate energy dissipation rate is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur, Mean Wave Frequency for energy dissipation & Maximum Wave Height that is most probable influenced by the difference between the elevations of a crest and a neighboring trough.
How to calculate Energy Dissipation Rate by Battjes and Janssen?
The Energy Dissipation Rate by Battjes and Janssen is defined as the parameter to determine the amount of energy lost by the viscous forces in the turbulent flow is calculated using Energy Dissipation Rate per unit Surface Area = 0.25*Water Density*[g]*Percentage of Waves Breaking*Mean Wave Frequency*(Maximum Wave Height^2). To calculate Energy Dissipation Rate by Battjes and Janssen, you need Water Density water), Percentage of Waves Breaking (QB), Mean Wave Frequency (fm) & Maximum Wave Height (Hmax). With our tool, you need to enter the respective value for Water Density, Percentage of Waves Breaking, Mean Wave Frequency & Maximum Wave Height and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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