Examples

Table 6.17 shows recommended operative temperatures and maximum mean air velocities for different types of spaces. The table is based on ISO EN 7730 and CR 17.52.

Table 6.18 shows the effect of adding or removing garments on the pre­ferred operative temperature. By individual adaption of clothing it is possible to compensate for individual differences in preferred temperature or for differ­ences in activity level. The table is based on ISO EN 7730 and ISO EN 9920,

TABLE 6.17 Examples of Recommended Operative Temperature and Air Velocity Based on ISO EN 7730 and CR 1752

Operative temperature

Mean air velocity

Type of building/space

Clothing

(summer)

(do)

Season

(winter)

(do)

Activity

(met)

Category

Cooling

Season

(summer)

(°C)

Heating

Season

(winter)

(°C)

Cooling

Season

(summer)

(m/s)

Heating

Season

(winter)

(m/s)

Single office (cellular office)

0.5

1.0

1.2

A

24.5 ± 0.5

22.0 ± 1.0

0.18

0.15

В

24.5 ± 1.5

22.0 ± 2.0

0.22

0.18

С

24.5 ± 2.5

22.0 ± 3.0

0.25

0.21

Landscaped office

0.5

1.0

1.2

A

24.5 ± 0.5

22.0 ± 1.0

0.18

0.15

В

24.5 ± 1.5

22.0 ± 2.0

0.22

0.18

С

24.5 + 2.5

22.0 ± 3.0

0.25

0.21

Conference room

0.5

1.0

1.2

A

24.5 ± 0.5

22.0 ± 1.0

0.18

0.15

В

24.5 ± 1.5

22.0 + 2.0

0.22

0.18

С

25.5 ± 2.5

22.0 ± 3.0

0.25

0.21

Auditorium

0.5

1.0

1.2

А

24.5 ± 0.5

22.0 + 1.0

0.18

0.15

В

24.5 + 1.5

22.0 ± 2.0

0.22

0.18

С

24.5 ± 2.5

22.0 ± 3.0

0.25

0.21

Cafeteria/

0.5

1.0

1.4

А

23.5 ± 1.0

20.0 ± 1.0

0.1Й

0.13

Restaurant

В

23.5 + 2.0

20.0 ± 2.5

0.20

0.16

С

23.5 ± 2.5

20.0 ± 3.5

0.24

0,19

Classroom

0.5

1.0

1.2

А

24.5 + 0.5

22.0 ± 1.0

0.18

0.15

В

24.5 ± 1.5

22.0 ± 2.0

0.22

0.18

С

24.5 ± 2.5

22.0 ± 3.0

0.25

0.21

Kindergarten

0.5

1.0

1.4

Л

23.5 ± 1.0

20.0 ± 1.0

0.16

0.13

В

23.5 ± 2.0

20.0 ± 2.5

0.2

0.16

С

23.5 ± 2.5

20.0 + 3.5

0.24

0.19

Department store

0.5

! .0

1.6

А

23.0 ± 1.0

19.0 ± 1.5

0.16

0.13

В

23.0 ± 2.0

19.0 ± 3.0

0.20

0/15

С;

23.0 ± 3.0

19.0 ± 4.0

0.23

0,18

396

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TABLE 6.18 Examples of the Relation between a Change in Garments and the Acceptable Change in Operative Temperature

Garment description

Thermal

Insulation

(clo)

Change of operative temperature

(K)

Panties

0.03

0.2

Underpants with long legs

0.10

0.6

[-shirt

0.09

0.6

Short sleeve shirt

0.15

0.9

Light shite, long sleeves

0.20

1.3

Normal shirt, long sleeves

0.25

1.6

Shorts

0.06

0.4

Light-weight trousers

0.20

1.3

Normal trousers

0.25

1.6

Light skirts (summer)

0.15

0.9

Heavy skirt (winter)

0,25

1.6

Sleeveless vest

0.12

0.8

Thin sweater

0.20

1.3

Light summer jacket

0.25

1.6

Normal jacket

0.35

2.2

Coat

0.60

3.7

Down jacket

0.55

3.4

Parka

0.70

4.3

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