The Irony of Powering Big Data: Optimizing Data Centers Requires More Data
John Pappas, PE, LEED AP
Principal - Mechanical Engineer
The Big Data revolution is both an opportunity and a challenge. Powering data centers is often energy intensive. However, more data is needed for informing how to reduce the energy use—thus, Data Centers ironically need to gather more data to optimize their own operations.
GETTING STARTED ADVICE FOR DATA CENTERS:
Tap into your local utility incentive programs with data center-specific programs to partially fund assessment.
Use the incentive from your local utility incentive program to partially fund the analyzed energy conservation measures.
Work with a “creative” partner, willing to work with you to produce energy-reduction results—consider a pay-for-performance model – minimize first cost and reap the long term energy reduction savings. (i.e Work with someone who will put their money where their mouth is!)
COMMON SOLUTIONS AVAILABLE ON THE MARKET:
Hot aisle/cold aisle containment is one of the simplest way to improve both the thermal control and produce energy savings.
Raising the supply air temperature is the least invasive way to improve the energy efficiency of the cooling system. ASHRAE recommendation is now up to 80.6F. This works best in conjunction with a containment solution.
Add water or air economizers to take advantage of the cooler outside conditions.
Reduce or eliminate the humidification as ASHRAE recommendation is now 8% relative humidity.
In –rack cooling using liquid in coils vs. air to cool should be considered for rack loads greater than 15kW/rack.
Purchase only high efficiency (ECM) variable speed fan motors and consider retrofitting existing fixed speed fans.
Wireless temperature-sensor technology – To automatically power on/off cooling equipment based on the temperature.
Replace old inefficient and lightly loaded UPS with UPSs with eco-mode.
Interested in more information regarding the optimization of Data Centers, contact us.
Credit to Phil Gioia for his contribution to this post.
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