Free Air Cooling for Data Centres

Free Air Cooling for Data Centres Free Air Cooling for Data Centres - Start

2018-01-17 37K 37 0 0

Free Air Cooling for Data Centres - Description

George Salinas, AIA, CDCDP, CDCEP, CDCMP. Instructor, CNet Training. © . CNet. Training 2016. . Power. Uptime demands. Higher power density usage. Cooling. Capacity. Energy Consumption (>50%?). ID: 624126 Download Presentation

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Free Air Cooling for Data Centres




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Presentations text content in Free Air Cooling for Data Centres

Slide1

Free Air Cooling for Data Centres

George Salinas, AIA, CDCDP, CDCEP, CDCMPInstructor, CNet Training

©

CNet

Training 2016

Slide2

PowerUptime demandsHigher power density usageCoolingCapacityEnergy Consumption (>50%?)NetworkingBandwidthConnectivitySpaceAvailability & operational cost

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Free Air Cooling for Data Centres – Demands and Constraints

Slide3

As the power density of cabinets increases, more demands are being placed upon cooling systems

Increasing

Power density

Increasing

Bandwidth

Do we have the right solution?

Free Air Cooling for Data Centres – Data Density Drives Cooling

Slide4

What are your operating parameters of the Data Centre and why?

Free Air Cooling for Data Centres – Environmental Conditions

Slide5

Heat naturally flows from hot to cold, ‘Helping’ it along with pumps and fans uses energy

Free Air Cooling for Data Centres – Not A Cascade System!

Slide6

Free Air Cooling in Data Centres – Historical Beginnings

History

Free cooling in use for over 15 years

Has been limited to certain geographical regionsUse of free air cooling is commonly referred to as “economiser mode”

Slide7

Cooling can equate to >50% of the data centre energy costs

Data centres are deploying more IT equipment, increasing temperaturesEnergy prices are risingASHRAE now recommends environmental temperatures up to 270CVendors now recommending temperatures of up to 340CReduces wear and tear on CRAC/CRAH unitsFree air cooling significantly reduces energy and operating costs vs mechanical refrigeration

Free Air Cooling in Data Centres - Why?

Slide8

Free Air Cooling in Data Centres – Is It That Simple?

More complex than opening a few doors:

High humidity levels (excess moisture in the air can lead to the erosion of some metals) Dry air can lead to issues like build up of static electricityFiltration is required to remove air particles that can cause problems in the data centreSmoke detection will be required at the air intake

Slide9

Free Air Cooling in Data Centres – Available Hours Annually

It is vital to evaluate the amount of usage hours that you will get to accurately establish the Return on Investment (ROI)

Source: The Green Grid

Slide10

Free Air Cooling in Data Centres – Operational Concept

Free air cooling introduces external air to the Data Centre

Reduces energy usage for cooling Reduces burden on the cooling system Improves internal air qualityUses filters known as MERVs (Minimum Efficiency Reporting Value) which range from 0-21, industry recommends a 13)

Slide11

Free Air Cooling in Data Centres – Air Flow

External air can be introduced when ambient temperature is low enoughCan be mixed with circulating air as requiredCan provide some backup if cooling plant failsLatest research suggests humidity is less of an issueParticulates can be managed by filters

Slide12

Free Air Cooling in Data Centres – Configuration Modes

Source: Schneider Electric

Slide13

Free Air Cooling in Data Centres - Conclusions

Data centre attitudes to free-air cooling are changing due to increasing energy costs and sustainability policiesStandards such as ASHRAE Standard 90.1-2010, regulations and carbon reduction commitments, are recommending data centres to lower energy useA move to higher operating temperature opens more opportunities to countries not otherwise benefitting

Slide14

Free air coolingis a strategic advantage!

Free Air Cooling in Data Centres - Summary

Slide15

Thank You

Free Air Cooling in Data Centres

George Salinas, AIA, CDCDP, CDCEP, CDCMP

Instructor, CNet Training


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