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	<title>The Hot Aisle &#187; crac unit</title>
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	<link>http://www.thehotaisle.com</link>
	<description>Fresh Thinking on IT Operations</description>
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		<title>IBM claim that water cooled servers are the future of IT at scale</title>
		<link>http://www.thehotaisle.com/2009/06/03/ibm-claim-that-water-cooled-servers-are-the-future-of-it-at-scale/</link>
		<comments>http://www.thehotaisle.com/2009/06/03/ibm-claim-that-water-cooled-servers-are-the-future-of-it-at-scale/#comments</comments>
		<pubDate>Wed, 03 Jun 2009 21:08:58 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[cold air]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[heat exchanger]]></category>
		<category><![CDATA[heat load]]></category>
		<category><![CDATA[high density]]></category>
		<category><![CDATA[hot air]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Moves]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[refrigeration]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1403</guid>
		<description><![CDATA[I am old enough to remember the 1960&#8242;s when IBM Mainframes used de-ionized water delivered by micro-bore pipes to cool the CPUs. (In fact I remember a spillage during a mainframe move that resulted in every single auto spares shop in south east England being raided for deionized water). In a recent statement IBM claim that [...]]]></description>
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		<slash:comments>18</slash:comments>
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		<title>Defying the laws of Physics &#8211; being dumb in the data center</title>
		<link>http://www.thehotaisle.com/2009/04/23/defying-the-laws-of-physics-being-dumb-in-the-data-center/</link>
		<comments>http://www.thehotaisle.com/2009/04/23/defying-the-laws-of-physics-being-dumb-in-the-data-center/#comments</comments>
		<pubDate>Thu, 23 Apr 2009 21:50:03 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[cold air]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[hot air]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1332</guid>
		<description><![CDATA[We are all trying to fix the unfixable in the Data Centre. How do we get more cooling capacity from sites we built a decade ago for low power density applications? One of the biggest problems is that everyone is trying to work against a basic law of physics; hot air rises, and cold air [...]]]></description>
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		<slash:comments>14</slash:comments>
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		<title>Fresh Air Cooling revisited</title>
		<link>http://www.thehotaisle.com/2008/11/11/fresh-air-cooling-revisited-2/</link>
		<comments>http://www.thehotaisle.com/2008/11/11/fresh-air-cooling-revisited-2/#comments</comments>
		<pubDate>Tue, 11 Nov 2008 16:48:51 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[ashrae]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[environmental impact]]></category>
		<category><![CDATA[fresh air]]></category>
		<category><![CDATA[heat exchanger]]></category>
		<category><![CDATA[kyoto conference]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1026</guid>
		<description><![CDATA[I picked up a really interesting website from KyotoCooling that has a very interesting new approach to low energy cooling systems. The firm takes it&#8217;s name from the Kyoto Conference where our governments met and agreed Carbon reduction targets that none of them had any intention of meeting. The Hot Aisle is firmly of the [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Computer Room Air Conditioning (CRAC) Unit being installed</title>
		<link>http://www.thehotaisle.com/2008/10/28/computer-room-air-conditioning-crac-unit-being-installed/</link>
		<comments>http://www.thehotaisle.com/2008/10/28/computer-room-air-conditioning-crac-unit-being-installed/#comments</comments>
		<pubDate>Tue, 28 Oct 2008 11:47:40 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[computer room air conditioning]]></category>
		<category><![CDATA[copper piping]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[nutley new jersey]]></category>
		<category><![CDATA[photograph]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=972</guid>
		<description><![CDATA[I took these photographs a bit over two years ago at the BT Reuters Data Center in Nutley New Jersey. They show a large CRAC Unit in the process of being installed. Note the copper piping, solder joints, open floor void and general mess that is involved in installation and commissioning. This is not something [...]]]></description>
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		<slash:comments>8</slash:comments>
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		<item>
		<title>Putting PDUs and CRAC Units outside the Data Center Hall</title>
		<link>http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/</link>
		<comments>http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/#comments</comments>
		<pubDate>Sun, 13 Jul 2008 18:15:26 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[heat load]]></category>
		<category><![CDATA[I.Net]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Milan]]></category>
		<category><![CDATA[PDU]]></category>
		<category><![CDATA[Raised Floor]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/</guid>
		<description><![CDATA[This is a picture of the corridor around the I.Net Data Center in Milan showing much of the M&#38;E equipment that is normally housed within the data center hall located outside. So what are the benefits? Equipment can be maintained, filters changed etc.. without entering the raised floor area. Any heat load from the equipment [...]]]></description>
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		<slash:comments>2</slash:comments>
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