X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [207.46.163.187] (HELO na01-bn1-obe.outbound.protection.outlook.com) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTPS id 6751344 for flyrotary@lancaironline.net; Wed, 26 Feb 2014 19:46:19 -0500 Received-SPF: none receiver=logan.com; client-ip=207.46.163.187; envelope-from=SBoese@uwyo.edu Received: from BL2PR05MB098.namprd05.prod.outlook.com (10.255.232.15) by BL2PR05MB065.namprd05.prod.outlook.com (10.255.232.16) with Microsoft SMTP Server (TLS) id 15.0.888.9; Thu, 27 Feb 2014 00:45:42 +0000 Received: from BL2PR05MB098.namprd05.prod.outlook.com ([169.254.2.125]) by BL2PR05MB098.namprd05.prod.outlook.com ([169.254.2.202]) with mapi id 15.00.0888.003; Thu, 27 Feb 2014 00:45:42 +0000 From: "Steven W. Boese" To: Rotary motors in aircraft Subject: RE: [FlyRotary] Re: duct shape Thread-Topic: [FlyRotary] Re: duct shape Thread-Index: AQHPMzoI65W63taGHEatcf/4peHiCJrIQ5tQ Date: Thu, 27 Feb 2014 00:45:41 +0000 Message-ID: <644670ff74254bc0b08c8fc3278ffc6d@BL2PR05MB098.namprd05.prod.outlook.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [70.196.197.251] x-forefront-prvs: 013568035E x-forefront-antispam-report: SFV:NSPM;SFS:(10009001)(428001)(243025003)(189002)(199002)(377454003)(93136001)(77096001)(81342001)(50986001)(51856001)(76576001)(76482001)(75432001)(4396001)(53806001)(80976001)(47976001)(16236675002)(76786001)(76796001)(47446002)(49866001)(74502001)(81686001)(74662001)(47736001)(86362001)(94316002)(74706001)(94946001)(95416001)(81816001)(74366001)(93516002)(81542001)(74876001)(65816001)(85852003)(15202345003)(83072002)(77982001)(87936001)(85306002)(59766001)(80022001)(66066001)(15975445006)(87266001)(90146001)(95666003)(56816005)(63696002)(56776001)(92566001)(33646001)(19580405001)(54316002)(31966008)(83322001)(46102001)(54356001)(19580395003)(69226001)(74316001)(79102001)(2656002)(24736002)(80792004)(19607625005);DIR:OUT;SFP:1101;SCL:1;SRVR:BL2PR05MB065;H:BL2PR05MB098.namprd05.prod.outlook.com;CLIP:70.196.197.251;FPR:EEDED98C.F329E09.31517F67.C66049CD.201F7;PTR:InfoNoRecords;MX:1;A:1;LANG:en; received-spf: None (: uwyo.edu does not designate permitted sender hosts) Content-Type: multipart/alternative; boundary="_000_644670ff74254bc0b08c8fc3278ffc6dBL2PR05MB098namprd05pro_" MIME-Version: 1.0 X-OriginatorOrg: uwyo.edu --_000_644670ff74254bc0b08c8fc3278ffc6dBL2PR05MB098namprd05pro_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Neil, See Fig. 16, page 279. Steve ________________________________ From: Rotary motors in aircraft on behalf of = Neil Unger Sent: Wednesday, February 26, 2014 2:28 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: duct shape Steve, You must have better eyes than I, as I searched all the articl= e and could not find the figures you quote. What page are they on?? Neil. From: Steven W. Boese Sent: Monday, February 24, 2014 5:39 PM To: Rotary motors in aircraft Subject: [FlyRotary] duct shape The following link references a study of oblique inlet shape for heat excha= ngers that might be a good starting point for radiator and oil cooler duct = construction. The coordinates below can be scaled for the core size to be = used. http://www.rotaryeng.net/Oblique-flow-diffusers.pdf X Z 0 1 0.1 0.89 0.2 0.76 0.3 0.63 0.4 0.51 0.5 0.39 0.6 0.29 0.7 0.2 0.8 0.12 0.9 0.06 1 0 Steve Boese RV6A, 1986 13B NA, RD1A, EC2 --_000_644670ff74254bc0b08c8fc3278ffc6dBL2PR05MB098namprd05pro_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Neil,

 

See Fig. 16, page 279.

 

Steve

 


From: Rotary motors in ai= rcraft <flyrotary@lancaironline.net> on behalf of Neil Unger <neil= .unger@bigpond.com>
Sent: Wednesday, February 26, 2014 2:28 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: duct shape
 
Steve,
           &nbs= p; You must have better eyes than I, as I searched all the article and coul= d not find the figures you quote.  What page are they on??  Neil.=
 
Sent: Monday, February 24, 2014 5:39 PM
Subject: [FlyRotary] duct shape
 

The following link references a study of oblique inlet shape for heat ex= changers that might be a good starting point for radiator and oil cooler du= ct construction.  The coordinates below can be scaled for the core siz= e to be used.

 

http://w= ww.rotaryeng.net/Oblique-flow-diffusers.pdf

X       Z

0       1

0.1   0.89

0.2   0.76

0.3   0.63

0.4   0.51

0.5   0.39

0.6   0.29

0.7   0.2

0.8   0.12

0.9   0.06

1       0

 

Steve Boese
RV6A, 1986 13B NA, RD1A, EC2
 
 
 

 

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