[90851] in North American Network Operators' Group
Re: WSJ: Big tech firms seeking power
daemon@ATHENA.MIT.EDU (Alex Rubenstein)
Fri Jun 16 23:09:23 2006
Date: Fri, 16 Jun 2006 23:08:57 -0400 (Eastern Daylight Time)
From: Alex Rubenstein <alex@nac.net>
To: Chris Adams <cmadams@hiwaay.net>
Cc: nanog@merit.edu
In-Reply-To: <20060617024322.GC782346@hiwaay.net>
Errors-To: owner-nanog@merit.edu
> No, that's wrong.
>
> $ units
> 2438 units, 71 prefixes, 32 nonlinear units
>
> You have: watt
> You want: btu
> conformability error
> 1 kg m^2 / s^3
> 1055.0559 kg m^2 / s^2
> You have: watt hour
> You want: btu
> * 3.4121416
> / 0.29307107
Agreed, my math should have said "btu/hr", which is what any HVAC system
is rated in -- how many btus in an hour it can remove.
I apologize for the horrendous error, but all of the math stands.
Just sed s/btu/btu\/hr/g
(also, you can do from watt to btu/hr with the same 3.413 multiplier)
--
Alex Rubenstein, AR97, K2AHR, alex@nac.net, latency, Al Reuben
Net Access Corporation, 800-NET-ME-36, http://www.nac.net
