Reason of higher radiant T?

llyces1985 · Posts: 32

Hi all,

In my simulation results, I found that the 'radiant T' was very higher. And it maybe cause the bad influence of 'Fanger PMV' results. In the help file of DB, it says “Radiant Temperature - the calculated average Mean Radiant Temperature (MRT) of the zone, calculated assuming that the person is in the centre of the zone, with no weighting for any particular surface”However, I could not understand it completely. So, what’s the whole influences of the ‘Radiant T’ and is there any effective way to make the value of it lower? Any idea provided would be appreciated! Waiting with anticipation for you comments! Thanks!
All the best,

Esong

AOG · Posts: 73

Esong,

Radiant temperature is related to heat radiated by constructions and other objects into the space. As an example, if you have a poorly insulated flat roof (imagine a simple concrete slab) with high solar radiation and high solar angles, it could become extremely hot. So, this roof will contribute to obtain very high radiant temperature into the space. Frequently, radiant temperature can be reduced by mean of correctly insulated constructions.

I hope it helps.

Arturo

Login