<HTML><!-- #BeginTemplate "/Templates/french.dwt" --> <HEAD> <!-- #BeginEditable "doctitle" -->  <TITLE>www.optiflow.fr</TITLE> <!-- #EndEditable --> <meta http-equiv="Content-Type" content="text/html; charset="> <title>OPTIFLOW : Recherche et Ingnirie Numrique en Mcanique des Fluides</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">  <META NAME="keywords" CONTENT="mcanique, fluides, simulation, numrique, coulement, arodynamique, hydrodynamique, aronautique, turbines, turbomachines, oliennes, potentiel olien, atmosphrique, pollution, internes, tunnel, ventilation, climatisation, combustion, nergetique, thermique, espace, applications, spatiales, trainee, portance, efforts, coefficients, decrochage, decollement, sillage, vortex, tourbillon, transition, bulbe, turbulence, vitesse, pression, puissance, rendement, pale, hlice, profil, aile, voilure, voile, rotor, stator, tablier, pont, hypersustentateur, coque, automobile, formule 1, navire, avion, hlicoptre, missile, applications, effets, vent, structures, site, topologie, topograhie, aerologie, suivi, dispersion, environnement, turbulence, conduites, pertes de charge, multiphases,  mechanic, fluids, simulation, numeric, flow, aerodynamic, hydrodynamic, aeronautic, turbines, turbomachinery, windturbines, atmospheric, pollution, internal, tunnel, ventilation, climatisation, combustion, energetic, thermal, space, applications, turbines, turbomachinery, windturbines, space, applications, drag, lift, forces, coefficients, stall, recirculation, wake, vortex,  transition, buble, turbulence, velocity, pressure, power, blade, profil, airfoil, sail, rotor, stator, deck, bridge, highlift,  automotive, formula 1, ship, airplane, helicopter, missil, pollution, heat transfer, applications, effects, wind, structures, complex, topology, orograhy, aerology, aerolic, atmospheric dispersion, internal flow, tunnel, ventilation, climatisation, combustion, energetic, heat exchange, thermal, space, applications, channels, pipes, discharge, multiphase, species"> <META NAME="description" CONTENT="Simulations numriques d'coulements fluides complexes : arodynamique (vehicules terrestre ou marins, avionique), coulements atmosphriques (autour de structures ou de sites), coulements confines, ventilation, climatisation, changes thermiques ..."> <meta name="Author" content="Optiflow"> <meta name="revisit-after" content="31 days"> </HEAD>  <BODY BGCOLOR="#1D2264" TEXT="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" link="#33CCFF" vlink="#FFFF66"> <table width="857" border="0" cellspacing="0" cellpadding="0" height="51">   <tr>      <td rowspan="2" width="339" nowrap valign="top" align="left"><img src="Templates/menu01.jpg" width="339" height="107" usemap="#Map3" border="0"></td>     <td width="202" height="19" valign="top" align="left">        <div align="center"><img src="Templates/menu02.gif" width="202" height="55" usemap="#Map4" border="0"></div>     </td>     <td width="316" height="19" nowrap valign="top" align="left"><img src="Templates/menu03.jpg" width="308" height="55" usemap="#Map2" border="0">        <map name="Map2">          <area shape="rect" coords="91,9,172,38" href="mailto:contact@optiflow.fr">         <area shape="rect" coords="208,13,237,32" href="english/main.htm">         <area shape="rect" coords="2,11,68,38" href="map.htm">       </map>     </td>   </tr>   <tr>      <td nowrap colspan="2" valign="middle" height="2">        <div align="left"><!-- #BeginEditable "titre" --><img src="img/francais/btp.jpg" width="450" height="35"><!-- #EndEditable --></div>     </td>   </tr> </table> <table width="857" border="0" cellspacing="0" cellpadding="0" height="305">   <tr>      <td height="68" valign="top" align="left" width="152">        <div align="left"><img src="Templates/menu04.jpg" width="152" height="349" usemap="#Map" border="0"><br>         <font face="Verdana, Arial, Helvetica, sans-serif" size="1">&copy;1998-2002          OPTIFLOW</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif">&reg;</font><font face="Verdana, Arial, Helvetica, sans-serif" size="1"><br>         Tous droits r&eacute;serv&eacute;s - <a href="infolegale.htm">Informations          l&eacute;gales</a></font></div>     </td>     <td width="604" nowrap height="172">        <div align="center"><!-- #BeginEditable "body" --><br>         <br>         <br>         <table width="533" border="0" cellspacing="0" cellpadding="0">           <tr>             <td>                <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>B&acirc;timents                  H.Q.E.</b></font></p>               <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">L'ensemble                  des comp&eacute;tences d&eacute;velopp&eacute;es par la soci&eacute;t&eacute;                  OPTIFLOW&reg; s'av&egrave;re particuli&egrave;rement int&eacute;ressant                  dans le cadre de la construction de b&acirc;timents &agrave; caract&egrave;re                  H.Q.E. puisqu'il permet de fournir des r&eacute;ponses &agrave;                  toutes les questions li&eacute;es aux &eacute;coulements externes                  et internes aux b&acirc;timents que cette approche suscite: </font>                </p>               <ul>                 <li><font size="2" face="Verdana, Arial, Helvetica, sans-serif">                    D&eacute;termination des emplacement des bouches ext&eacute;rieures                    d'entr&eacute;e et de sortie d'air permettant de garantir un                    fonctionnement optimal de la ventilation naturelle.</font></li>               </ul>               <div align="center"></div>               <div align="center"></div>               <div align="center"></div>               <ul>                 <li><font size="2" face="Verdana, Arial, Helvetica, sans-serif">                    Mod&eacute;lisation des &eacute;coulements et des &eacute;changes                    thermiques au sein des b&acirc;timents permettant d'optimiser                    la position des emplacements des sources de chaleur (avec prise                    en compte de la conduction &agrave; travers les parois, de la                    radiation solaire...)</font><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><br>                   </font> </li>               </ul>               <ul>                 <li><font size="2" face="Verdana, Arial, Helvetica, sans-serif">                    Mod&eacute;lisation des &eacute;changes thermiques autour des                    b&acirc;timents en fonction des conditions atmosph&eacute;riques                    et de leur ensoleillement.</font><br>                   <br>                 </li>                 <li> <font size="2" face="Verdana, Arial, Helvetica, sans-serif">                    Mise en &eacute;vidence des emplacements permettant d'obtenir                    le rendement maximal des &eacute;oliennes pr&eacute;vues &agrave;                    proximit&eacute; du b&acirc;timent &eacute;tudi&eacute;.</font><br>                   <br>                 </li>                 <li> <font size="2" face="Verdana, Arial, Helvetica, sans-serif">D&eacute;termination                    des zones de survitesse locales de vent susceptibles de provoquer                    l'inconfort ou m&ecirc;me l'ins&eacute;curit&eacute; des pi&eacute;tons.</font><br>                 </li>               </ul>               <table width="533" border="0" cellspacing="0" cellpadding="0">                 <tr>                    <td>                      <div align="center">                        <p><img src="img/btp03.jpg" width="306" height="118"></p>                       <p><font face="Verdana, Arial, Helvetica, sans-serif" size="1">Ecoulement                          autour de l'H&ocirc;tel du d&eacute;partement<br>                         des Bouches du Rh&ocirc;ne -Champ de pression sur le b&acirc;timent</font></p>                     </div>                   </td>                 </tr>               </table>               <p>&nbsp;</p>               <p>&nbsp;</p>             </td>             <td height="67">&nbsp;</td>           </tr>         </table>         <p>&nbsp;</p><!-- #EndEditable -->          <map name="MapMap">            <area shape="rect" coords="25,13,125,38" href="Templates/presentation.htm">           <area shape="rect" coords="25,51,125,76" href="Templates/prestations.htm">         </map>         <map name="MapMap2">            <area shape="rect" coords="25,13,125,38" href="Templates/presentation.htm">           <area shape="rect" coords="25,51,125,76" href="Templates/prestations.htm">         </map>       </div>     </td>     <td height="313" width="101" valign="top" align="left"><!-- #BeginEditable "hierar" -->        <br>       <br>       <br>       <table width="88" border="1" cellspacing="0" cellpadding="0" bordercolor="#999999">         <tr>            <td height="193">              <table width="104" border="0" cellspacing="0" cellpadding="0">               <tr>                  <td colspan="3"><font size="1" face="Verdana, Arial, Helvetica, sans-serif"><a href="secteurs.htm">Secteurs</a></font></td>               </tr>               <tr>                  <td width="17">&nbsp;</td>                 <td colspan="2"><font size="1" face="Verdana, Arial, Helvetica, sans-serif">|<br>                   <a href="auto.htm">Automobile</a> <br>                   <a href="aero.htm">Aeronautique</a><br>                   <a href="eolien.htm">Eolien</a> <br>                   <a href="naval.htm">Naval</a> <br>                   <a href="btp.htm">Btp</a> </font></td>               </tr>               <tr>                  <td width="17">&nbsp;</td>                 <td width="11">&nbsp;</td>                 <td width="76">|<br>                   <font face="Verdana, Arial, Helvetica, sans-serif" size="1"><a href="btp01.htm">Confort                    &amp; 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