10. Load calculation
10.1 Cooling/Heating load calculation
1) Calorie from wall body
2) Calorie from glass
3) Calorie by clearance wind
4) Calorie generated from human body
5) Calorie generated from thermal instruments
6) Shaft heat load of wall body
7) Acquired calorie within machine
8) Others (Outdoor load)
The cooling load is calculated by summing up from item 1 through item 8. As a reference, the calorie
generated from human body is as follows.
Table 10.1 Calorie from human body (Kcal/h. person)
Note : SH : Sensible heat, LH : Latent heat
28(°C) 27(°C) 26(°C) 24(°C) 21(°C)
SH LH SH LH SH LH SH LH SH LH
44 44 49 39 53 35 58 30 65 23
45 56 49 52 53 48 61 40 69 32
45 68 50 63 54 59 62 51 72 41
45 81 50 76 55 71 64 62 73 53
48 91 56 83 62 77 71 68 81 58
48 141 56 133 62 127 74 115 92 97
56 159 62 153 69 146 82 133 101 114
68 184 76 176 83 169 96 156 116 136
113 252 117 248 121 244 132 233 153 212
Sit upright
Studying
Office work/light walking
Erect, sit upright, walk
Business
Seated work
Normal dancing
Walking 4.8 (km/h)
Balling
Theater
88
School
101
Hotel Dept.
113
Bank
126
Restaurant
139
Light work at factory
189
Dance hall
215
Heavy work at factory
252
Balling
365
Working posture
Room temp
Example Total
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