CAJ | 학술논문

本文针对含多孔型地板的室内低温地板辐射采暖的传热问题进行研究，采用有限元法求解控制方程，分析了太阳辐射对整个室内空间温度场和速度场的影响，探讨了不同时刻太阳辐射对室内温度场和速度场的影响规律。在保证室内空气温度和速度均达到规范中冬季供暖的舒适性设计值的前提下，再根据温度和速度计算出PM V 和PPD 的数值，获得不同时刻下所需求的地板辐射热流密度最佳范围。
본문침대함다공형지판적실내저온지판복사채난적전열문제진행연구，채용유한원법구해공제방정，분석료태양복사대정개실내공간온도장화속도장적영향，탐토료불동시각태양복사대실내온도장화속도장적영향규률。재보증실내공기온도화속도균체도규범중동계공난적서괄성설계치적전제하，재근거온도화속도계산출PM V 화PPD 적수치，획득불동시각하소수구적지판복사열류밀도최가범위。
T he heat transfer problem for the indoor low tem perature radiant floor heating w hich contains porous m edia isstudied in thispaper.The governing equationsare solved by FEM .The im pactofsolarradiation to the entire interior space tem perature and velocity fields are analyzed, the influence of indoor tem perature and velocity field are discussed under the above conditions in differentm om ents.O n the prem ise of the indoor air tem perature and velocity being up to the standard in w interheating com fortdesign value,then according to the tem perature and velocity calculated from PM V and PPD ,the dem and forthe optim um range offloorradiantheatflux isobtained atdifferentm om ents.