CANARINA:

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DISPER:

DISPER

Solutions 

Data 

Algorithms

Emissions 

Graphs  

Google maps

GIS

 

SOLUTIONS: DISPER  

solutions

advantages

Price

DEMO

 

COMMANDS:

Input data I

Input data II

Input data III

Input data IV

average

Import

commands

 

ALGORITHMS:

Algorithms I

Algorithms II

Algorithms III

Algorithms IV

Algorithms V

Algorithms VI

Algorithms VII

Algorithms VIII

Algorithms IX

Algorithms X

 

EMISSIONS:

Emissions I

Emissions II

Emissions III

Pollutants I

Pollutants II

 

GRAPHS:

Graphs I 

Graphs II

Graphs III 

Graphs IV

 

   

Algorithms III · DISPER software

                 

DEMO Download - Price

 

Plume Rise Formulas

The plume height is used in the calculation of the Vertical Term. The distance dependent momentum plume rise equations are used to determine if the plume is affected by the wake region for building downwash calculations. 

Stack-tip Downwash

In order to consider stack-tip downwash, modification of the physical stack height is performed. The modified physical stack height hs is found from:

hs’=hs+2ds[(vs/us)-1.5]   for  vs<1.5us      (5)

or

hs’=hs                   for vs> o =1.5us   (6)

where hs is physical stack height (m), vs is stack gas exit velocity (m/s), and ds is stack top diameter (m). If stack tip downwash is not considered, hs’= hs in the following equations.

Buoyancy and Momentum Fluxes

For most plume rise situations, the value of the Briggs buoyancy flux parameter, Fb (m4/s3), is needed

Fb=gvsds2(DT/4Ts)    (7)

where DT = Ts - Ta, Ts is stack gas temperature (K), and Ta is ambient air temperature (K).

For determining plume rise, the momentum flux parameter, Fm (m4/s2), is calculated based on the following formula:

Fm=gvs2ds2(Ta/4Ts)    (8)

 

Algorithms I - Algorithms II - Algorithms III - Algorithms IV - Algorithms V -  Algorithms VI - Algorithms VII - Algorithms VIII - Algorithms IX - Algorithms X

 

 

 

Air pollution map (XY-Plane) produced by continuous discharge in time (two stacks). The red colour represents high pollutant concentrations. Wind: S (180 degrees).

 

Air pollution map (XY-Plane) produced by continuous discharge in time. The red colour represents high pollutant concentrations. Winds: NE (45 dregrees).

 

Canarina Algoritmos Numéricos, S.L.

Environmental software solutions

Software for environmental impact

Canary Islands, Spain

e-mail: contact us

 

 

 

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

turbulence modeling

 

 

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

DISPER: Air pollution dispersion · DISPER - Solutions - Data - Algorithms - Emissions - Graphs - ISC3 (VOL. 2)

SOLUTIONS: Air pollution dispersion · DISPER - Software solutions - Software advantages - Price - DEMO download

COMMANDS: Input data I - Input data II - Input data III - Input data IV - Temporal average - Import and export data - Software commands

ALGORITHMS: Algorithms I - Algorithms II - Algorithms III - Algorithms IV - Algorithms V -  Algorithms VI - Algorithms VII - Algorithms VIII - Algorithms IX - Algorithms X

EMISSIONS: Emissions I - Emissions II - Emissions III - Pollutants I - Pollutants II

GRAPHS: Graphs I - Graphs II - Graphs III - Graphs IV

 

 

                 

 

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

 

Cáceres: air pollution graph - air pollution graphs -

Burgos: air quality charts - measure air quality

Alicante: water pollution graph - environment pollution -

Albacete:  pollution pollutants - graph charts - monitoring pollution -

Barcelona: air pollution data - measure air quality

A Coruña: air pollution pm - pollution issues - air pollution climate -

Aberdeen - air pollution concentrations - air pollution level - pollution causes - air pollution urban -

Armagh - effect pollution - air pollution particulate - air pollution about -

Bangor - data graph - pollution impacts - air pollution burning -

Bath - impact pollution - pollution source - oil air - measure air quality

Belfast - air pollution regulations - air pollution particles - weather graph -

Birmingham - industry pollution - air pollution levels - air pollution so2 -

Bradford - oil pollution - emission pollution - air pollution industrial - measure air quality

Brighton & Hove - control air - sources of pollution - pollution problems -

Bristol - air pollution atmospheric - air pollution diesel - air pollution concentration -

 

Cambridge - air pollution pm10 - pollution global warming - air pollution coal -

Canterbury - Cl2 chart on air pollution - NOx graphs for air pollution - graphs about air pollution

Cardiff - air pollution standard - air pollution vehicle - health pollution -

Carlisle - people pollution - pollution emissions - epa pollution -

Chester - air pollution reduce - air pollution exhaust - measure air quality

Chichester - air pollution weather - air gas - air pollution dust -

City of London - graphs on air pollution - graphs of air pollution - air quality chart -

Derby - climate graph - air pollution study - effect of pollution - measure air quality

Exeter - report pollution - graph statistics - control pollution - pollution sources -

Newry - health effects pollution - population pollution - effects pollution -

Oxford - chart of air pollution - air pollution pie chart - air quality index chart -

Peterborough - air quality graph - air quality graphs - graph on air pollution -

Plymouth - air pollution chart - air pollution charts - graph of air pollution -

Salisbury - air pollution statistics - air pollution facts - air pollution smog -

Sheffield - air polution graph - air pollution pie charts - acid rain pollution -

St Albans - charts on air pollution - charts of air pollution  - air pollution bar graph -

 

Ripon - gases air pollution - industrial air exhaust - major air pollution -

St Albans - industrial indoor air quality  - industrial air pollution in india  - industrial air quality inc  -

Swansea - pollution pollutants - atmospheric air pollution - health effects pollution -

Truro - monitoring pollution - soil pollution - air gas - reducing air pollution -

Wakefield - atmosphere air pollution - smoke air pollution - outdoor air pollution -

Wells - smog air pollution - industrial water pollution - indoor air pollution -

Westminster - pollution emissions - pm10 air pollution - epa pollution -

Winchester - asthma air pollution - nox air pollution - lead air pollution - industrial air monitoring -

Wolverhampton - particulates air pollution - environmental pollution - voc air pollution -

Worcester - coal air pollution - water pollution - chemical air pollution -

York - causes of pollution - industrial noise pollution - so2 air pollution -

 

 

Copyright © 2005 Canarina Algoritmos Numéricos, Sociedad Limitada Unipersonal CIF-B38803110 registered for electronic commerce in sheet TF-35526, sheet 1 of the volume 2.671 of the General Section, First Registration, Registro de la Propiedad Número 2 y Marcantil of , Spain. All rights reserved.