Return-Path: Received: from qmail.accesscomm.ca ([204.83.142.82] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with SMTP id 2760480 for flyrotary@lancaironline.net; Fri, 21 Nov 2003 12:27:20 -0500 Received: (qmail 15953 invoked from network); 21 Nov 2003 17:27:21 -0000 Received: from cust140-67.weyburn-leg.accesscomm.ca (HELO Jarrett) (216.174.140.67) by qmail.accesscomm.ca with SMTP; 21 Nov 2003 17:27:21 -0000 Message-ID: <003d01c34fad$55ec1e60$8200a8c0@Jarrett> From: "JJ JOHNSON" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Radiator size Date: Mon, 21 Jul 2003 11:27:17 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003A_01C34F7B.0AC4FEC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 This is a multi-part message in MIME format. ------=_NextPart_000_003A_01C34F7B.0AC4FEC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The only problem is, I don't know anybody in the amateur-builder community who is doing this, and I don't know whether the cores that you folks are using come with the necessary information already provided by the manufacturer. It is, after all, much easier to pick two points off a plot than to derive them from tests If anybody out there has manufacturer's pressure drop and/or heat transfer data for a core or finished radiator that he could scan and send me, I would be most grateful. It doesn't matter what core - I just need to test my work so far against real hardware currently on the market. Another way to get some of this Data would be that run our own models. = If anyone out there on the list has access to Solid works/Cosmo = Flow-works it wouldn't take to long to find out some of this data from = just modeling it! Unfortunatly I don't have access to Flow-works right now or I'd gladly = do it! A person could take this a step farther and model the whole = cooling system and then using flow works check the heat shed capability = of the model [you can imput the temp of the water flowing into the rad = and the air flowing through the rad the other way as well as the air = flow into/over the inlets and exits. It wouldn't be that hard to do if = someone had access to the software! [that might be a big `IF'] Jarrett ------=_NextPart_000_003A_01C34F7B.0AC4FEC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The only problem is, I don't know anybody in = the=20 amateur-builder

community who is doing this, and I don't know = whether=20 the cores that you

folks are using come with the necessary = information=20 already provided by

the manufacturer. It is, after all, much = easier to pick=20 two points off a

plot than to derive them from = tests

 

If anybody out there has manufacturer's = pressure drop=20 and/or heat

transfer data for a core or finished radiator = that he=20 could scan and

send me, I would be most grateful. It doesn't = matter=20 what core - I just

need to test my work so far against real = hardware=20 currently on the

market.

 
 
 
Another way to get some of this Data = would be that=20 run our own models. If anyone out there on the list has access to Solid=20 works/Cosmo Flow-works  it wouldn't take to long to find out some = of this=20 data from just modeling it!
 
Unfortunatly I don't have access to = Flow-works=20 right now or I'd gladly do it! A person could take this a step farther = and model=20 the whole cooling system and then using flow works check the heat shed=20 capability of the model [you can imput the temp of the water flowing = into the=20 rad and the air flowing through the rad the other way as well as the air = flow=20 into/over the inlets and exits. It wouldn't be that hard to do if  = someone=20 had access to the software! [that might be a big `IF']
 
 
Jarrett
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