| Title |
A Field Measuring Study on the Thermal Environment of Human Surrounding in the Classroom Equipped with Ceiling Unit |
| Keywords |
온도분포 ; 현장측정 ; 천장형 유닛 ; 예상온열감 ; 공기확산지표 Temperature distribution ; Field measuring ; Ceiling unit ; PMV ; ADPI |
| Abstract |
This paper performed to investigate on vertical temperature distribution, effective draft temperature(ETD) and PMV(Predicted Mean Vote) in the classroom, which is located YangSan city(Kyungsangnam-Do), Korea, is equipped with ceiling unit. The vertical temperature difference between F.L＋10cm(ankle) and F.L＋120cm(neck) of a measuring point which is adjacent corridor in the classroom showed about 1℃ but of measuring point which is adjacent outdoor expressed up to 4℃. The effective draft temperature(ETD) is －2.3 and －0.52 and 0.67 at near ceiling unit but is 1.2 and 3.3 at far from ceiling unit. The PMV of total classroom showed the range of "Cold" and "Slightly Cold." Therefore, to achieve comfort condition in the classroom is equipped with ceiling unit, the location of ceiling unit and discharge angle and discharge distance from ceiling unit are very important elements. |