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What are recommended heat rates for people?

asked 2015-03-31 09:28:17 -0600

updated 2015-07-26 22:17:41 -0600


Is there any recommendation/standard for fraction radiant, sensible heat fraction and work efficiency while defining people in EnergyPlus?

As all these factors have high impacts on accuracy of results, defining correct value seems crucial.

Thanks a lot in advance!

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answered 2015-03-31 11:40:14 -0600

updated 2015-03-31 11:57:43 -0600

The ASHRAE Handbook of Fundamentals provides values for heat and moisture rates for different activities. In the 2013 version it's in Chapter 18, Table 1.

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I'd like to add that I believe the ASHRAE Load Calculations Manual has expanded information on occupants that aren't standard male adults (I saw some of the tables in a Carrier Design Guide, I think). For example, if you're doing load calcs for FCUs or GSHPs for a K-6 school, having more accurate values for tiny humans helps. The President of the firm I worked for out of school scolded some of us younger engineers once for using the adult-male values in such a situation, so I tend to remember it. :)

jfirrantello's avatar jfirrantello  ( 2015-03-31 12:18:39 -0600 )edit

Thanks a lot for your help! The mentioned recommendations perfectly fit for activity level, fraction radiant and sensible heat fractions. But what about work efficiency? Thanks again!

Pouya's avatar Pouya  ( 2015-04-01 08:18:21 -0600 )edit

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Asked: 2015-03-31 09:28:17 -0600

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Last updated: Mar 31 '15