Guys, thanks for the conversion factors, but that's not what I was asking for. My question is specifically about metric units of airflow for PC fans. Is there an accepted, standardized metric unit reported for airflow in PC fans, like CFM is in the imperial?
Remek On Fri, Mar 18, 2011 at 6:32 AM, John M. Steele <jmsteele9...@sbcglobal.net>wrote: > Try out each conversion, and see which leads to round numbers. To expand > on Jim's factor: > > 1 ft3/min = 0.471 947 4 L/s = 28.316 84 L/min = 1.699 011 m³/h > > --- On *Fri, 3/18/11, Remek Kocz <rek...@gmail.com>* wrote: > > > From: Remek Kocz <rek...@gmail.com> > Subject: [USMA:50081] Re: PC Case fans & flow measurements > To: "U.S. Metric Association" <usma@colostate.edu> > Date: Friday, March 18, 2011, 12:13 AM > > > Because I'm not sure what's used in the metric world of airflow > measurement. I recall seeing maybe cubic meters per hour, but I know for > sure that it wasn't L/min. > > On Thu, Mar 17, 2011 at 5:25 PM, James R. Frysinger < > j...@metricmethods.com<http://us.mc824.mail.yahoo.com/mc/compose?to=j...@metricmethods.com> > > wrote: > > Why don't you calculate how may liters per second those figures come out > to? Or liters per minute? Use > 1 ft3/min = 0.471 947 4 L/s > according to SP 811. > > Jim > > > On 2011-03-17 1550, Remek Kocz wrote: > > I'm shopping around for a PC case fan, and I noticed a strange trend in > terms of airflow measurements. Whereas in the past it used to be that > the cubic foot per minute numbers were fairly round and elegant, these > days they've become strange, with up to two figures past the decimal > point. I can assume that the Asian manufacturers began insisting on > the metric terms, and these oddball CFM's are the conversions. Any ideas? > > > -- > James R. Frysinger > 632 Stony Point Mountain Road > Doyle, TN 38559-3030 > > (C) 931.212.0267 > (H) 931.657.3107 > (F) 931.657.3108 > > >
