HPPR Data Center Improvements Projects Towards Energy Efficiency (CFD Analysis, Monitoring, etc.)

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1 HPPR Data Center Improvements Projects Towards Energy Efficiency (CFD Analysis, Monitoring, etc.) Felipe Visbal / March 27, 2013

2 HPPR Data Center Technologies Team Services Data Centers: Thermal Assessments CFD Modeling Thermal Zone Mapping Conceptual Designs Fire Suppression & Prevention Assessments Physical Security and Electrical Power Assessments Additional: Business Continuity / Disaster Recovery Planning R&D Solution Factory (Software for Data Centers) 2

3 Computational Fluid Dynamics (CFD) What is it? Use computers to solve the equations which predict the fluid dynamics in an environment. Over the past 30 years CFD techniques have been extensively and successfully applied in advanced technology, such as the nuclear and the aerospace industries. Recently the concept of tailoring CFD software, specifically for data center heating and ventilation applications, has made it possible to apply these methods to provide fast and accurate results to designers under severe time and budgetary constraints. 3

4 CFD Modeling Services EcoPOD AHU Design Optimization Superdome Unit Building Level Exterior CFD Modeling Data Center Level Equipment Level (PCA, server, rack, AHU) HP POD Heat Pipe Thermal Analysis 4

5 CFD Modeling Equipment Modeling can examine: Examine heat transfer and fluid flow behavior of IC packages, printed circuit boards and complete electronic systems Helps design teams to perform easy validation of design modifications before building any physical prototypes. Data Center CFD Modeling can examine: The thermodynamic characteristics of the entire Data Center Room/plenum pressure, airflow distribution and temperature gradients Effective placement of air conditioning units Monitoring of air conditioning performance (provisioning) Impact of obstructions to both under-floor and above-floor airflows Placement and cooling potential of perforated airflow tiles or grilles Power consumption and thermal load of individual racks 5

6 CFD Modeling Exterior CFD Modeling: Uses the same tools for internal CFD modeling taking into consideration wind direction, velocity profiles and temperature in relation to the building exteriors, air inlets, air outlets and generators exhaust Benefits: Determine optimum Data Center building orientation in regards to wind direction; validate the exterior building design to mitigate hot air recirculation. Conceptual Design Validation: Development of new data center designs based on industry best practices, relevant standards (ASHRAE, TIA, IEEE, NFPA, etc.) and HP s experience Use of CFD tools to model the proposed design or validate existing designs Generate requirements, technical specifications and/or recommendations for the successful development of the new data center. 6

7 Data Center Level Modeling Examples HP POD Air Flow Analysis Under floor CRAC Flow Analysis 7 EcoPOD Adiabatic Unit Design Optimization

8 Comprehensive Thermal Assessment Case 1 Project Statement: Industry Location Room Area Room Capacity Gambling & Horse Racing Organization Thermal Comprehensive Assessment for a 18K sq ft Tier4 Data Center. Objectives: Identify and recommend changes to improve room environment. Identify energy savings opportunities (cooling system related). Asia 18,000 ft kw 8

9 Comprehensive Thermal Assessment Case 1 Major Energy Savings Practices: Recommendations Estimated Energy Savings (KWh/year) Saving in Energy $/ Year Apply Lights out configuration 105,120 KWh/ Year $21,024 Move from 14 to 10 CRAC units 305,899.2 KWh/ Year $244, Estimated Savings 411,019.2 KWh/ year $265, Baseline Return of Investment: Customer Investments Estimated Cost Improved Room Comprehensive Thermal Assessment $ 50, Equipment Purchase $15, Others $ 5, Estimated Yearly savings after improvement ROI $265,743.36/ year.26 Years, 3.16 Months 9

10 Comprehensive Thermal Assessment Case 2 Industry Location Room Area Room Capacity Government Agency Canada 6,700 ft kw Project Statement: Thermal Comprehensive Assessment for a new 6.7 K sq ft Tier 2 Data Center.. Objectives: Identify and recommend changes to improve room environment. Identify energy savings opportunities (cooling system related). 10

11 Comprehensive Thermal Assessment Case 2 Major Energy Savings Practices: Recommendations Move from 8 to 4 CRAC units Estimated Energy Savings (KWh/year) Saving in Energy $/ Year 812,928 KWh/ Year $66,732 Baseline Return of Investment: Customer Investments Comprehensive Thermal Assessment Estimated monthly savings after improvement ROI Estimated Cost $ 38,700 $5,561 / month 7 months Valuable Comment from Customer: with the new data center, all of the processes that we have adopted along with the CFD modeling, the majority of our time is now being spent on proactive activities as opposed to reactive activities. 11 Improved Room

12 HPPR Data Center Characteristics Total In Use Available Racks Spaces Uninterruptible Power Supply (UPS) Cooling Capacity 336 kw (100% Redundancy) 345 kw (98 Tons) kw (46 Tons) kw (52 Tons) 12

13 Data Center Lights Out Implementation Data Center Lighting Before Project Total Light Fixtures: 45 (Always On) Total Watts per Fixture: 75 W Total Power Consumption per year: 29,484 kw-hr. Data Center Lighting After Project Total Light Fixtures: 45 6 Light Fixtures Always On 5 Light Fixtures used 3.5 Hrs/Day, 5 Days/Wk. 34 Light Fixtures used 3 Hrs/Day, 5 Days/Wk. Total Watts per Fixture: 75 W Total Power Consumption per year: 6,261 kw-hr. Total Power Saving: 23,223 kw-hr / year 13 Actual Cost of kw-hr: $0.26

14 Data Center UPS System Improvement UPS Before Project 14 UPSs efficiency: From 0.67 UPS input power consumption: 1,874,640 kw-hr / year Power consumption along all Data Center cooling system components: 849,107 kw-hr / year Total Power Consumption: 2,723,747 kw-hr / year UPS After Project UPSs efficiency: From 0.71 UPS input power consumption reduction: 310,104 kw-hr/ year Power consumption reduction along all Data Center cooling system components: 63,072 kw-hr / year New Total Power Consumption : 2,350,571 kw-hr / year Total Power Saving: 373, 176 kw-hr / year Eff. kw-hr UPS Efficiency Before 0 Power Consumption Before After After Actual Cost of kw-hr: $0.26

15 HPPR Data Center CFD Analysis 15

16 HPPR Data Center CFD Analysis Results Data Center Precious Cooling Condition All five existing units required to be on service due to the IT Equipment heat load and the hot air recirculation within the IT equipment Redundancy on cooling units since all five were required on service Phase 1 Two new cooling units were installed of higher capacity. Cooling capacity was increased by 100 kw A total of six units now serve the data center Five units are on service and one unit as redundancy There is still some hot air recirculation Phase 2 (To begin on May 13) Hot aisle containment is to be implemented With current IT load, only three units will be required on service and three units will be serving as redundancy 16

17 HPPR Data Center CFD Analysis Results Total Qty of Cooling Units Total Cooling Capacity Units On Service Back-Up Units Total Power Consumption on Cooling Units Original Status kw (60 Tons) ,677 kw-hr / Year Phase kw (88 Tons) ,814 kw-hr / Year Phase kw (88 Tons) ,245 kw-hr / Year Net Benefits: Power Saving : 1,432 kw-hr / year Redundant Units: 3 Additional Cooling Capacity: 100 kw 17

18 HPPR Data Center Monitoring Data Center Conditions Monitoring Temperature and Humidity sensors are installed along the data center to continuously monitor the conditions (temperature and humidity) of the air entering the IT equipment. Alarms are set in case room conditions are out of the predetermined acceptable range. Sensors Location 18

19 HPPR Data Center Monitoring Temperature at Rack s Bottom Height Temperature at Rack s Middle Height 19

20 CFD Modeling Services Customers 20

21 Thank you

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