<div class="gmail_quote">---------- Forwarded message ----------<br>From: "Angel Armando Boada Velazco" <<a href="mailto:angelboada2@gmail.com">angelboada2@gmail.com</a>><br>Date: Apr 27, 2016 5:51 PM<br>Subject: [CSRC-SDSU COLLOQUIUM]: Minimum Induced Drag Theorems for Innovative Wing Systems<br>To: <<a href="mailto:csca@roswell.sdsu.edu">csca@roswell.sdsu.edu</a>><br>Cc: <br><br type="attribution"><div dir="ltr"><b style="font-size:12.8px">DATE</b><span style="font-size:12.8px">: <span><span>Friday, April 29th, 2016</span></span></span><b style="font-size:12.8px"><br><br></b><div style="font-size:12.8px"><b style="font-size:12.8px">TITLE</b><span style="font-size:12.8px">: </span><font face="arial, helvetica, sans-serif">Minimum Induced Drag Theorems for Innovative Wing Systems</font></div><div style="font-size:12.8px"><br style="font-size:12.8px"><b style="font-size:12.8px">TIME</b><span style="font-size:12.8px">: </span><span style="font-size:12.8px"><span><span>3:30 PM</span></span></span><br style="font-size:12.8px"><br style="font-size:12.8px"><b style="font-size:12.8px">LOCATION</b><span style="font-size:12.8px">: GMCS 214</span><br style="font-size:12.8px"><br style="font-size:12.8px"><b style="font-size:12.8px">SPEAKER</b><span style="font-size:12.8px">: </span><font face="arial, helvetica, sans-serif"> Dr. Luciano Demasi. </font><span style="color:rgb(0,0,0);line-height:19.008px"><font face="arial, helvetica, sans-serif">Associate Professor, Department of Aerospace Engineering and Computational Science Research Center, San Diego State University.</font></span></div><div style="font-size:12.8px"><br style="font-size:12.8px"><b style="font-size:12.8px">ABSTRACT</b><span style="font-size:12.8px">: </span><font face="arial, helvetica, sans-serif">Induced drag is an important component of the total airplane drag, especially at low speed conditions. </font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">Reducing it is one of the top priorities for the design of future sustainable configurations which are aimed to significantly cut pollution and emissions.<br></font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">This is one of the driving motivations behind the idea of innovative systems such as Box Wings: it is well known that non-planar geometry has high benefits in terms of induced drag.</font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">A configuration-invariant computationally efficient induced drag minimization procedure, tailored for the preliminary design phases of generic non-planar multi-wing systems is presented. The method is based on a variational approach, which leads to the formulation of a system of coupled integral equations in the unkown circulation distributions. <br>Prandtl's problem on the optimal conditions for Box Wings has been solved and the minimum induced drag conditions for closed systems have been related to the ones corresponding to C-wings and Biwings. </font></div><div style="font-size:12.8px"><font face="arial, helvetica, sans-serif">Several new induced drag theorems have been introduced providing design indications on generic wing systems without the need of computationally expensive simulations.</font></div><div style="font-size:12.8px"><span style="font-size:12.8px"><br></span></div><b style="font-size:12.8px">HOST</b><span style="font-size:12.8px">: Dr. </span><span style="font-size:12.8px">Jose Castillo</span><br></div>
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