topic Re: Heat calculation of machines in ProLiant Servers (ML,DL,SL)

Heat calculation of machines

shahidranazai — Wed, 21 Nov 2007 07:07:46 GMT

We have

QTY Name

2 HP Integrity rx464
2 Hp Proliant DL-380
1 Hp Proliant DL-360 G3
1 Hp storage Works MLS-6000 Server Library
1 Hp storage Works Tap Array 5300
2 Hp Storage Works SAN Switch 2/8v
2 Hp storage Works hsv-110 ( controller )

How much they produce Heat and how can I calculate the heat per machine or product categories

Re: Heat calculation of machines

~sesh — Wed, 21 Nov 2007 08:12:42 GMT

You can find out the BTU (British Thermal Units) for each server unit using the following formula.

"BTU" is used to describe the heat value (energy content) of fuels, and also to describe the power of heating and cooling systems.

BTU = Volts X Amps X 3.41

Once you have calculated the BTU for each individual server / unit, you can combine & get the correct values per categories.

Re: Heat calculation of machines

James ~ Happy Dude — Wed, 21 Nov 2007 08:45:41 GMT

Hello,

A very Handy tool. All it needs is any one value(Volts / Watt)... & u have the corresponding values in other units.

http://www.engnetglobal.com/tips/convert.asp?catid=16

You have BTU/Hour & BTU/Minute & BTU/Sec

Regards.

Re: Heat calculation of machines

David Claypool — Wed, 21 Nov 2007 12:33:28 GMT

Nice try, Adric and HD, but that won't work in this case--that's the amount of heat a given voltage and wattage CAN produce, but not what the actual equipment produces.

S, BTUs are a standard metric published on each product's QuickSpec. These are available from the Product Bulletin page: http://h18000.www1.hp.com/products/quickspecs/productbulletin.html

ProLiant servers also have Power Calculators to determine the exact power requirements and heat output for a specific configuration: http://h30099.www3.hp.com/configurator/powercalcs.asp

Re: Heat calculation of machines

~sesh — Wed, 21 Nov 2007 13:08:50 GMT

Of course the quickspecs for the server contain the BTU information, but the general formula how BTU is calculated is the one I mentioned.

You can find it here: :)
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c00211069&jumpid=reg_R1002_USEN

Re: Heat calculation of machines

James ~ Happy Dude — Wed, 21 Nov 2007 14:11:22 GMT

I may be wrong; I thought the Volts/Watts consumed were CONSTANT, hence BTU would be too.
Hence, a simple way to calculate. ;)

:) Regards.

Re: Heat calculation of machines

David Claypool — Wed, 21 Nov 2007 16:48:34 GMT

Sorry, guys, your calculations will only result in calculating BTUs based on regulation-plate specs, which is not accurate. It doesn't take into account the difference between number of processors, type of processor, number of drives, amount of memory, etc.