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#1
08-06-2009, 08:13 AM
 clobr Guest Posts: n/a
convert from cubic meter to kilowatt hour

Hi,

I have a real problem... to convert gas... and i couldn't find this convertion in your website...

I need to convert cubic meter in kilowatt hour...

thank you
#2
08-06-2009, 08:50 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,533 Rep Power: 19
Re: convert from cubic meter to kilowatt hour

Quote:
 Originally Posted by clobr Hi, I have a real problem... to convert gas... and i couldn't find this convertion in your website... I need to convert cubic meter in kilowatt hour... please help me.... thank you
It is not strictly a conversion as the heat content of natural gas varies with the chemical composition. It is mostly methane, but the traces of propane, butane, and other gases affect heat content. Using a DoE typical figure of 1089 BTU/ft³ and converting, it is about 40.5 MJ/m³

As 1 kWh = 3.6 MJ, this is about 11.3 kWh per cubic meter.
#3
08-07-2009, 01:10 AM
 Clobr Guest Posts: n/a
convert from hcf to kilowatt hour

by the way, are you aware about a conversion, for gas again, between the hcf (I don't know what it is, I suppose it is Hundred Cubic Feet, but it seems strange to measure gas, normally it's to measure liquid such as water, it normally corresponds to 748 gallons), so between hcf and kWh.
someone told that the conversion factor was about 1.022640 but I don't know if it's true, nor how I can use it...

clobr
#4
08-07-2009, 03:12 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,533 Rep Power: 19
Re: convert from hcf to kilowatt hour

Quote:
 Originally Posted by Clobr thank you for your fast answer!! by the way, are you aware about a conversion, for gas again, between the hcf (I don't know what it is, I suppose it is Hundred Cubic Feet, but it seems strange to measure gas, normally it's to measure liquid such as water, it normally corresponds to 748 gallons), so between hcf and kWh. someone told that the conversion factor was about 1.022640 but I don't know if it's true, nor how I can use it... please help me again.... thank you clobr
Using the same 1089 BTU/ft³ figure as above, that is 1.149 MJ/ft³ or 114.9 MJ/CCF (We use CCF for hundred cubic feet here). Converting both to kWh (3.6 MJ/kWh), that is 0.319 kWh/ft³ or 31.9 kWh/CCF.
#5
01-20-2013, 05:28 PM
 Unregistered Guest Posts: n/a
how to convert cubic meter of water to gallons per minute

i just want to ask if you can directly convert a given cubic meter of water to gallons per minute.....

Thanks,
Marlou
#6
01-21-2013, 04:55 AM
 JohnS Moderator Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,533 Rep Power: 19
Re: how to convert cubic meter of water to gallons per minute

Quote:
 Originally Posted by Unregistered i just want to ask if you can directly convert a given cubic meter of water to gallons per minute..... Thanks, Marlou
No, because one is flow and the other volume.

A one cubic meter tank of water will just sit there, with no flow at all. If there is a hole in the tank, it will flow over some period of time (hard to solve for) and soon you won't have a cubic meter of water any more.

A cubic meter of water is about 264.2 (US) gallons. You can convert one volume unit to another.

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