1) What is good estimate or ballpark number for typical energy density in watts/

Question

1) What is good estimate or ballpark number for typical energy density in watts/sq ft in a COMMERCIAL OFFICE building?

a.500 b.1 c.6 d.25

2) Data center energy density varies dramatically. Purpose built data centers are very different than a converted building. The size of the data center and computer density will also determine the value. Energy goes to the computers but also is used to remove the heat and maintain the environment. Which of the values below would make sense (watts/sq ft) for a DATA CENTER?

a.75 b.1 c.500 d.1000

Professor gave me those problems as a take-home quiz, and I got no idea.. Please hlep

Explanation / Answer

1) 6 watts/ sq ft.

In an office building the lighting and normal "floor" (equipment) electrical loads typically average from 2 to 5 watts per sq ft. Architectural or other considerations may make them considerably higher. Buildings with computer systems and other electronic equipment can have electrical loads as high as 5 to 10 watts per sq ft.

2) 500 watts/sq ft

Most data centers are built to support an average of 100W – 175W per square foot with more modern data centers supporting an average of 225W per square foot and scalable on an individual basis up to 500W per square foot. it depends on siz and computer density.

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