All Posts Tagged With: "Cooling"
Our atmosphere (the air around us) is made up of gasses consisting of nitrogen (78%), oxygen (21%), carbon dioxide (0.3%) and water in the form of vapor (humidity). The amount of water in the atmosphere is measured as a Relative Humidity (RH)
Data Center air should contain the proper amount of water vapor to maximize the availability [...]
I read a very interesting article from fellow blogger Christian Belady, who is Principal Power and Cooling Architect at Microsoft.
Christian decided to take the PUE challenge and see if he could build a data center with a PUE of one! That is to have all of the power delivered to computing equipment and none at [...]
Chicago Business News reports that Microsoft plans to open another massive data center, in Northlake near Chicago in 2009 that will be central to the software giant’s war with Google Inc. for Internet supremacy.
The Data Center, large enough to hold eight football fields, is mooted to cost more than $500 million to build, sources familiar with [...]
I wrote about Elean Park Data Center some time ago on The Hot Aisle where we looked at the use of absorption chillers that use the waste heat from a biomass power station and gas generation plant on site to drive them. Howard Phelby of 5 nines kindly sent me the attached diagram that shows [...]
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I met up with the Mike Klayko the CEO of Brocade last week in the restaurant of the St Regis Hotel in New York (famous for creating the best burgers, bar none, in the city) for an exclusive Hot Aisle interview. Mr Klayko is an industry veteran with decades of experience starting at IBM, HP, [...]
Recently we have been writing a lot about how hot-aisle/cold aisle containment. It is important to be aware this strategy, fire detection and protection requires special attention.
A recent article in Search Data Center gives some good advice:
Hot-aisle/cold-aisle containment – a variation on the traditional data center best practice of hot-aisle/cold-aisle design – is a way for data [...]
Today we are going to look at how fire detection systems can be used in Data Centers to prevent catastrophic loss and damage; we will focus on Very Early Smoke Detection Systems, (VESDA – Very Early Smoke Detection Alarm).
Without an efficient and safe environment, there is no way to be assured of business continuity. To [...]
My friend, the inventor and green innovator, Peter Hopton from VeryPC has a unique view on how to be environmentally responsible whilst deploying PCs into an office environment and he is presenting his ideas at The Carbon Footprint Energy Efficient IT Summit on the 4th and 5th September.
Peter says that there are three basic approaches:
Give [...]
Continue ReadingIT Infrastructure specialist Richardson Eyres recently issued a press release to help drum up some consulting business in the Retail market but make some generally applicable and interesting points worth looking at.
Even though most organizations are making energy cuts a top priority for 2008/9, many are not taking green issues seriously enough and are adopting a do-it-yourself [...]
This photograph shows a technique used to remove hot air from a high density area in a Data Center in Milan.
Continue ReadingThis photograph shows an Intercooler unit in the basement of the I.Net data center in Milan.
Continue ReadingToday we are going to look at practical changes that we can all make to our data centres that will improve cooling efficiency, to enable us to install more equipment in the same space or reduce our electricity bills.
There are a few basic rules that will help us become more efficient.
The first is the less [...]
Continue ReadingThe Hot Aisle readership have reported that they have significant constraints on existing data centers with 56% reporting cooling constraints and a further 17% reporting more than one constraint.
Significantly only one reader reports space as a constraint which agrees with my hypothesis that there is plenty of Data Center space, just no M&E left.
AVIVA (aka Norwich Union) is set to open its third data centre - Data Centre 3 (DC3) at the Broadlands Business Park near Norwich, UK this September. Although the site uses some modern design principles to minimize energy use, AVIVA have been far too conservative with the design and the opportunity to really go green has been missed.
The site [...]
I was reading an article about the recent Silicon Valley Leadership Group (SVLG) Data Center Energy Summit, in San Francisco, engineers and data center pros gathered to study 11 case studies on energy efficiency. The data center studies varied, but one green data center tactic stood out: hot-aisle/cold-aisle containment.
The Hot Aisle readers know that data center best [...]
A photograph from the BT Rochdale Data Center showing how the transparent curtains are attached to the roof. These curtains are used to separate the Hot Aisle from the Cold Aisle in order to drive up cooling capacity and efficiency. There are a number of articles about using Curtains to drive energy efficiency on The [...]
Continue ReadingThis is an interesting photograph of a commercially available APC Hot Aisle containment system. With adequate cold air to our raised floor, this rack module can house high density equipment.
Continue ReadingONStor Inc., recently announced the launch of their new Cougar 6000 series NAS gateway and claim:
“Cougar’s advanced multi-core storage network processors are built into a highly available “cluster-in-a-box” design offering 18 cores per filer. This delivers high throughput, smallest footprint per rack unit, excellent power and cooling efficiency, and low cost per terabyte. This enables enterprises to process more data [...]
HVAC Economizers (sometimes known as air-side Economizers) are useful for data centers which are located in regions of the world where the outdoor temperature is lower than the desired data center temperature (for at least some of the day or year) and the outdoor humidity is mild. Economizers save energy by cooling buildings with outside [...]
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Dry coolers are used in many air cooled refrigeration systems. In case of low outdoor temperatures, outdoor air can be applied for cooling applications. In dry coolers, large fans create a forced airflow along air-to-water heat exchangers. Subsequently, the water circuit can be used for cooling of data centers, office buildings and industrial processes.
Dry coolers play an important role in [...]