The recent loss/disaster in space surprises me no longer > -----Original Message----- > From: Andrews, Kurt [SMTP:[email protected]] > Sent: Thursday, November 04, 1999 10:24 AM > To: [email protected]; [email protected] > Subject: RE: Fans; m3/h to CFM > > > Peter, > > 1ft. = 0.3048m then 1 cu.ft. = (0.3048m)3 = 0.0283168m3 and > 1ft./Sec. also equals 0.3048m/Sec. > so then 1cu.ft./Sec. = 0.0283168m3/Sec. > so then 1cu.ft./min. = (0.0283168m3/Sec.) x (60Sec./min.) = 1.699008 > m3/min. > so then 1cu.ft./min. = (1.699008 m3/min.) x (60min./hr.) = 101.94048 > m3/hr. > > so the formula for CFM to m3/hr. should be 1CFM = 101.94048 m3/hr. > > and the formula for m3/hr. to CFM would be the reciprocal or 1÷101.94048 = > 0.0098096 > > so 1 m3/hr. = 0.0098096 CFM > > So to convert m3/hr. to CFM multiply by 0.0098096 > > And to convert CFM to m3/hr. multiply by 101.94048 > > You may want to check my math, but as far as I can recall this is how you > would do it. The conversion factors of 1ft. = 0.3048m and 1ft./Sec = > 0.3048m/Sec. came from a Conversion Factor Chart from an old copy of > Connection Technology magazine. > > Kurt Andrews > Compliance Engineer > Tracewell Systems, Inc. > 567 Enterprise Dr. > Westerville, OH 43081 > Ph. 614-846-6175 > Fax 614-846-7791 > Email: [email protected] > > > -----Original Message----- > From: [email protected] [SMTP:[email protected]] > Sent: Thursday, November 04, 1999 9:55 AM > To: [email protected] > Subject: Fans; m3/h to CFM > > > Hello There! > > Anyone knows how to convert m3 (ie meters cube)/hour to CFM? To > serve my > clients better so they can use alternate dc fans, I usually specify > in the > UL Reports the use of Recognized fans rated XXX Vdc, max --- A, > minimum --- > CFM. However, I just looked up a spec sheet for a dc fan and it > gives the > m3/h rating and not the CFM rating. Can anyone help with this > conversion? > > Thanks in Advance > +++++++++++++++++++++++++++++++++++ > RTTE Directive Seminar > Renaissance Hotel, Tel-Aviv > 12th January 2000: CALL FOR DETAILS > +++++++++++++++++++++++++++++++++++ > > Peter Merguerian > Managing Director > Product Testing Division > I.T.L. (Product Testing) Ltd. > Hacharoshet 26, POB 211 > Or Yehuda 60251, Israel > > Tel: 972-3-5339022 Fax: 972-3-5339019 > e-mail: [email protected] > website: http://www.itl.co.il > > > > > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). > > > --------- > This message is coming from the emc-pstc discussion list. > To cancel your subscription, send mail to [email protected] > with the single line: "unsubscribe emc-pstc" (without the > quotes). For help, send mail to [email protected], > [email protected], [email protected], or > [email protected] (the list administrators). >
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