Experimental study on heat transfer characteristics of interior walls under partial-space heating mode in hot summer and cold winter zone in China

摘要

In this paper, in order to study the effect of heat transfer between households on good indoor thermal environment and building energy efficiency, the indoor thermal environment and heat consumption of the room with different laying forms of radiation end are compared in the case of no heating In the adjacent room through the field experimental test. It was found that whether the adjacent room is heated directly affects the surface temperature and total heat consumption of the inner wall. Compared with the heating adjacent room, when the adjacent room is not heated the indoor air temperature in the working area decreased by 3.4-4.7%, the internal wall surface temperature decreased by 3.0-7.4%, and the heat flux density of internal wall surface increased by 29.8-52.2%. The heating surface temperature was reduced by 2.3-3.7%, the heat flux density of the heating surface was increased by 15.3-16.3% for floor and ceiling heating, and the heat flux density was reduced by about 22% because of the large heat transfer to adjacent rooms through interior walls. The heating of the large heat transfer to the adjacent rooms through interior walls. The total heat supply to the room increased by 5.2-7.2%. Additional heat load calculation is supposed to be taken into consideration due to the large heat transfer between interior walls while neighboring rooms are not heated.