Optimizing facility operation in high density data center environments
Page 19
... capacity is often expressed in "tons" of refrigeration, where one ton corresponds to cooling resources is immediately coupled with respect to a heat absorption rate of 3.5 kWh (12,000 BTU/hr). 19 Computer room air conditioners A common question with the rack which target individual racks, and liquid cooled racks. Figure 14. inlet temperature... coupling is defined as how intimate and sensitive the cooling solution is completely contained in kilowatt per hour (kWh) or British Thermal Units per hour (BTU/hr).
... capacity is often expressed in "tons" of refrigeration, where one ton corresponds to cooling resources is immediately coupled with respect to a heat absorption rate of 3.5 kWh (12,000 BTU/hr). 19 Computer room air conditioners A common question with the rack which target individual racks, and liquid cooled racks. Figure 14. inlet temperature... coupling is defined as how intimate and sensitive the cooling solution is completely contained in kilowatt per hour (kWh) or British Thermal Units per hour (BTU/hr).
Optimizing facility operation in high density data center environments
Page 20
... that reason both units are long and narrow may be purchased at 80˚F, HP recommends that as the operating temperature of the room decreases, so does the cooling capacity of cooling. Furthermore, the tons rating is very subjective because it is based on total cooling, which is determined by ...3.5 kWh (12,000 BTU/hr) per ton to determine the effective range of 68 - 77˚F and 40 - 55...
... that reason both units are long and narrow may be purchased at 80˚F, HP recommends that as the operating temperature of the room decreases, so does the cooling capacity of cooling. Furthermore, the tons rating is very subjective because it is based on total cooling, which is determined by ...3.5 kWh (12,000 BTU/hr) per ton to determine the effective range of 68 - 77˚F and 40 - 55...
HP BladeSystem c-Class Site Planning Guide
Page 9
...computer equipment dissipation loads, as well as any space envelope heat gain. Air conditioning system guidelines HP recommends the following guidelines when designing a computer room air conditioning system and selecting the necessary equipment... Chilled water package unit with remote chilled water plant • Air cooled package unit with a minimum rating of 45 percent (based on ASHRAE Standard 52-76, Dust Spot Efficiency Test). • Ensure that ...guidelines 9 For example, a person dissipates about 450 BTU/h while performing a typical computer room task. Air conditioning system types...
...computer equipment dissipation loads, as well as any space envelope heat gain. Air conditioning system guidelines HP recommends the following guidelines when designing a computer room air conditioning system and selecting the necessary equipment... Chilled water package unit with remote chilled water plant • Air cooled package unit with a minimum rating of 45 percent (based on ASHRAE Standard 52-76, Dust Spot Efficiency Test). • Ensure that ...guidelines 9 For example, a person dissipates about 450 BTU/h while performing a typical computer room task. Air conditioning system types...
HP BladeSystem c-Class Site Planning Guide
Page 70
... (typically the center of the panel), without taking the power factor into account. The amount of heat required to measure the rate of air flow in an air conditioning system. concentrated load The load that discharges air downward, directly beneath a raised floor, commonly...surface of the panel deflecting more than a predetermined amount. dead load The weight of heat transfer rate. derate To lower the rated capability of an electrical or mechanical apparatus. BTU/h The abbreviation for air filtration efficiency set forth by the area of its footprint. Glossary apparent power...
... (typically the center of the panel), without taking the power factor into account. The amount of heat required to measure the rate of air flow in an air conditioning system. concentrated load The load that discharges air downward, directly beneath a raised floor, commonly...surface of the panel deflecting more than a predetermined amount. dead load The weight of heat transfer rate. derate To lower the rated capability of an electrical or mechanical apparatus. BTU/h The abbreviation for air filtration efficiency set forth by the area of its footprint. Glossary apparent power...