Return-Path: Received: from [65.173.216.71] (HELO mtasmtp1-clev.cle.ms.philips.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 480196 for lml@lancaironline.net; Wed, 20 Oct 2004 10:26:08 -0400 Received-SPF: none receiver=logan.com; client-ip=65.173.216.71; envelope-from=Rob.Logan@Philips.com Received: from [149.59.200.4] ([149.59.200.4]) by mtasmtp1-clev.cle.ms.philips.com (Lotus Domino Release 5.0.11) with ESMTP id 2004102010241088:28559 ; Wed, 20 Oct 2004 10:24:10 -0400 Message-ID: <41767502.3090403@Philips.com> Date: Wed, 20 Oct 2004 10:24:02 -0400 From: Rob Logan Reply-To: Rob@Logan.com User-Agent: Mozilla Thunderbird 0.8 (X11/20040917) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Lancair Mailing List Subject: Re: [LML] Re: Plenum Cooling References: In-Reply-To: X-MIMETrack: Itemize by SMTP Server on mtasmtp1-clev/P/SERVER/PHILIPS-CLE(Release 5.0.11 |July 24, 2002) at 10/20/2004 10:24:10 AM, Serialize by Router on mtasmtp1-clev/P/SERVER/PHILIPS-CLE(Release 5.0.11 |July 24, 2002) at 10/20/2004 10:25:16 AM, Serialize complete at 10/20/2004 10:25:16 AM Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed > Once the cross sectional area through which a stream of air passes > is increasing at a rate greater than 5 degrees, the flow becomes > turbulent and the Bernoulli principle ceases to apply. had 7 degrees written down here, hmm, gata find the source... this also applys to increasing pressure in a "ram air" induction too :-) look at the Darrel's expanding area before the turbos http://www.sportclass.com/2003_gallery_images/2003_51_lrg.jpg Rob