Sharing Rate of Cooling Load of Radiant Terminal Device and Air Supply Terminal Device in Residential Buildings——From the Perspective of Thermal Comfort and Indoor Air Quality
SUI Xue-min and ZHANG Xu
DOI:10.11835/j.issn.1674-4764.2011.05.019
Received ,Revised , Accepted , Available online July 01, 2015
Volume ,2011,Pages 114-120
- Abstract
Taking residential buildings as the study objects, for three different residential load types such as low load, medium load, and high load type, indoor thermal environments of different load sharing-rates are simulated, respectively. Indoor thermal comfort and indoor air quality of different load sharing-rates are also analyzed and evaluated. And the appropriate range of cooling load sharing-rates are given from the view of both occupants thermal comfort and occupants health. When ωc (the sensible heat load sharing rate of the radiant terminal device) <0.7, the human thermal index in work region can be controlled within the range of thermal comfort standard. From the point of avoiding local discomfort, ωc is suggested to take 04~1. As regard to indoor air quality, for the constant air volume mode, ωc is suggested to take 0.5~0.9 under low and middle load conditions, and ωc is suggested to take 0.35~0.6 under high load conditions. For the variable air volume mode, the smaller the value of ωc is, the better indoor air quality is.