CAJ | 학술논문

采用热湿气候风洞复现广州地区夏季典型气象日环境,研究两个相同试件在补水和不补水状态下的热量传递过程.研究结果表明：试件补水后蒸发降温效果显著,与不补水试件相比,补水试件的外表面最高温度和内表面最大热流分别降低10.9℃和14.8 W/m2,同时,补水试件的平均热阻比不补水试件的平均热阻增大约1倍,隔热效果显著增加.此外,研究过程中引入土壤学的 Penman-Menteith 蒸发量计算模型,结合实测数据对该模型中的参数进行修正,将总蒸发量分解为热力蒸发量和动力蒸发量,分析三者的变化规律,采用逐时蒸发量数据计算试件外表面的热量平衡方程.计算结果表明：蒸发过程可以消耗约64.5%的入射短波辐射热量,在夏季,蒸发过程可以显著减少建筑外表面的太阳辐射的热量,降低表面温度,减少进入房间的热量,从而节省空调能耗.
채용열습기후풍동복현엄주지구하계전형기상일배경,연구량개상동시건재보수화불보수상태하적열량전체과정.연구결과표명：시건보수후증발강온효과현저,여불보수시건상비,보수시건적외표면최고온도화내표면최대열류분별강저10.9℃화14.8 W/m2,동시,보수시건적평균열조비불보수시건적평균열조증대약1배,격열효과현저증가.차외,연구과정중인입토양학적 Penman-Menteith 증발량계산모형,결합실측수거대해모형중적삼수진행수정,장총증발량분해위열력증발량화동력증발량,분석삼자적변화규률,채용축시증발량수거계산시건외표면적열량평형방정.계산결과표명：증발과정가이소모약64.5%적입사단파복사열량,재하계,증발과정가이현저감소건축외표면적태양복사적열량,강저표면온도,감소진입방간적열량,종이절성공조능모.
The Typical Meteorological Day of Guangzhou summer was realized in Hot-Wet Climatic Wind Tunnel,and the thermal transfer process of two specimens with the same construction was studied in the wind tunnel.In the experiment process,one of the specimens was watered and the other one was not watered.The experiment result illustrated that the evaporative cooling effect was very significant when the specimen was watered.Compared with the non-watered specimen,the highest outer surface temperature and the highest inner surface heat flux of the watered specimen decreased by 10.9 ℃ and 14.8 W/m2 ,re-spectively.Additionally,the thermal resistance of the watered specimen was one time bigger than that of the non-watered specimen.It was demonstrated that the watered specimen had better heat-insulating prop-erty than the non-watered specimen.Moreover,the Penman-Menteith model was used to calculate the hourly evaporation of the watered specimen.The total hourly evaporation was divided to thermal evapora-tion and dynamic evaporation.The variations of the total hourly evaporation,thermal evaporation and dy-namic evaporation were analyzed.The hourly evaporation data were used to calculate the surface thermal balance equation.The result illustrated that 64.5% incoming short wave radiation was consumed in the e-vaporating process.In summer,evaporating process could decrease the solar radiation illuminated on the building surface,diminish the surface temperature,reduce the thermal flux flowing into the room and save the air-conditioning energy consumption.