| Researches on adaptive thermal comfort indicated that the human thermal adaptation of residents living in different regions are different,because of different climate,culture,living habits.Turpan located in Cold climate zone of China,the climatic characteristic is hot arid in summer and cold arid in winter,which vary with other parts of this zone.Does the indoor environment evaluation index of Turpan vary with other region in cold climate zone?To solve the problem,numerous investigations were carried out in rural area of Turpan,and human adapations,application of termal environment evaluation standards were analysed,the evaluation model for Turpan has been established as well.The research works was as follows:Firstly,field investigation has been carried out in spring,summer and winter.Human thermal adaptation of Turpan was analyzed,and was compared with other areas of Clod climate zone.The results show that,the neutral temperature were 26.17℃(spring),26.58℃(summer),18.99℃(winter),neutral temperature in summer is significantly higher than the other areas;80% acceptable temperature range is 12.28℃~25.99℃,wider than that in other areas;When summer operative temperature is higher than 30 ℃,the value of clothing insulation almost does not change,with a mean value of 0.4clo and varying with other areas.So,the above indicated that the human thermal adaptation is unique.Secondly,the applicability of ASHRAE 55,EN 15251 and GB/T 50785 has been analyzed in evaluating indoor thermal environment in Turpan.The ourdoor temperature is beyond the range of these three standards;calculating method in GB/T 50785 does not consider the climatic difference between Turpan and other areas in Clod climate zone.It shows that a unique evaluating modes should be formulated.Thirdly,according to the method of calculating the indoor envitonment ranks in ASHRAE 55,80% acceptable temperature range was obtained,with the upper limit equation y=0.2964x+25.901,and the lower limit equation y=0.3194x+14.879;besides,according to the method of calculating adaptive coefficient(λ)in GB/T 50785,λ=-1.46(spring),λ=0.77(summer),λ=-0.49(winter)were calculated.Then,based on the above,according to the method of ASHRAE 55 and GB/T 50785,a suitable adaptive thermal comfort zone has been proposed.Finally,indoor thermal environment tests in rural residential buildings with different ages and materials were carried out in spring,summer and winter.The adaptive thermal comfort evaluation model in this paper was basically identical with the field studies in Turpan.The data collected in this study and conclusions will give the reference in research on human thermal adaptation and indoor environment evaluation between areas with different climatic characteristics in the same climat zone,and will provide the data support for indoor thermal environment evalution standards in China. |
