fluent flow modeling

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DESCAR:

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INPUT DATA:

ALGORITHMS:

POLLUTANTS:

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DATA III

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Ambient data:

Ambient conditions are defined by the hydrographic conditions in the vicinity of the discharge. This Menu lists: Current.

Current.- DESCAR analyses, as all mixing zone evaluations, are usually carried out under the assumption of steady-state ambient conditions. If you click this command, the next dialog box is shown:

Depending on the used model, some data of the dialog box can be modified: Buoyant jet model or Stratified model (see calculation models).

Buoyant jet model: The necessary data in the Buoyant jet model is:

Water density (kg/m³): It is the density of the ambient water.

Current velocity u_a(m/s): The average velocity of the water current. The admitted minimum velocity is 0,0001 m/s. A typical velocity can be of about 0,015 m/s.

Current angle (0 to 360): It is the horizontal angle of water current measured clockwise from the North (at the window top). For an outfall that is localized near the coast, the vector of the current is usually parallel to the coast.

Stratified model: The necessary data in the Stratified model is:

Coefficient of stratification (s^-2): Г represents the stratification degree in the water

Г=-(g/ρ_a)(dρ_a/dh),

being g the gravity acceleration, g=9,81m/s², ρ_a the ambient water density and h the depth. A typical value can be 0,00005 s^-2 (The density of the seawater increases 5 kg each 1000m).

Stratified model: There are two options: Water is stratified and Water is not stratified. The stratification process usually happens in summer.

INPUT DATA: Data I - Data II - Data III - Import - Commands - Graphs I - Graphs II

Canarina Algoritmos Numéricos, S.L.

Environmental software solutions

Software para contaminación del medio ambiente

Canary Islands, Spain

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European network on pollution · European Union

Member of MAPO: European network on Marine Pollution. Project

funded by the European Commission through the

6th Framework Programme for Research and Development

hazardous waste

CANARINA: Home - Air pollution · DISPER - Noise pollution · CUSTIC - Water pollution · DESCAR - Contact us

DESCAR: DESCAR: water pollution - Data I - Algorithms I - Pollutants I

SOLUTIONS: DESCAR: water pollution - Advantages - Price

INPUT DATA: Data I - Data II - Data III - Import - Commands - Graphs I - Graphs II

ALGORITHMS: Algorithms I - Algorithms II - Algorithms III - Algorithms IV - Algorithms V - Algorithms VI

POLLUTANTS: Pollutants I - Pollutants II - The sea I - The sea II - Pycnocline

DESCAR software solutions: This application has been used in great number of environmental reports, courses and water pollution studies in the last years. We currently have users in more than 10 countries.

Preston - wastewater treatment plant effluent - ground discharge - sewer discharge -

Ripon - sewage treatment plant effluent -municipal effluent - dewatering discharge -

Salford - discharge management - surface discharge - effluent flow and flow discharge -

Salisbury - tank discharge - domestic effluent - effluent septic tank - water land pollution

Sheffield - discharge water quality - environmental discharge - discharge treatment -

St Albans - septic tank discharge - effluent oil - effluent and environment - water land pollution

St David's - membrane discharge - effluent processing - bacteria discharge -

Stirling - groundwater discharge - reverse osmosis discharge - effluent management -

Stoke-on-Trent - sewage discharge - wastewater discharge - effluent water quality -

Sunderland - effluent disinfection - industrial effluent - reverse osmosis effluent -

Swansea - waste water discharge - industry discharge - chemical effluent - water land pollution

Aberdeen - water discharge calculation - water discharge requirements - water treatment discharge -

Armagh - water pump pvc discharge hose - water discharge units - discharge in water -

Bangor - industrial water discharge - water discharge system - water heater discharge tube -

Bath - water discharge pipe - discharge of water onto neighbors land - calculate water discharge -

Belfast - water discharge measurement - waste water discharge standards - water tank discharge -

Birmingham - produced water discharge - discharge to surface water - water discharge temperature -

Bradford - water discharge limits - waste water discharge permit - clear water discharge -

Brighton & Hove - water discharge rate - emit water discharge technology - water discharge regulations -

Bristol - water discharge hose - grey water discharge - water like discharge -

Cambridge - toxic mixing zones - water discharge - storm water discharge - water land pollution

Nottingham - mixing zone calculation - water mixing zone - regulatory mixing zone -

Oxford - water discharge regulation - discharge of cooling water - power plant water discharge -

Peterborough - discharge of ballast water - sewage water discharge - water level discharge -

Cumbria - fluid dynamics modeling -

Suffolk - fluid models - modeling method - pipe flow -

Cornualles - fluid flow equation - water land pollution

Somerset - modeling theory - fluid equation -

Aberdeen - simulation modeling - heat transfer flow - fluent flow modeling -

Armagh - fluid diffusion - fluid flow visualization - fluid flow heat transfer -

Bangor - fluid flow cylinder - turbulence flow - fluid flow simulations -

Bath - flow dynamics - fluid simulation - fluid flow dynamic -

Belfast - fluid flow analysis - heat transfer fluid - fluid flow mechanics -

Birmingham - heat transfer modeling - fluid flow theory - fluid flow simulation -

Bradford - temperature flow - flow method - fluid flow modeling -

Brighton & Hove - modeling methods - flow calculation - flow analysis -

Bristol - fluid transport - heat flow - flow simulation -

Cambridge - flow equations - dynamic modeling - analysis modeling -

Nottingham - thermal flow - unsteady flow modeling - fluid flow study -

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