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2.8.7. Calculation of Purge time

2.8.7. Calculation of Purge time​

 

 

- Floor Type

 

* Internal Volume

204.6 ℓ

 

* 5 times of Internal Volume

204.6 ℓ ☓ 5 times = 1023 ℓ

 

* Purge Flow

500NL/min

 

* Purge Time

1023 ℓ / 500NL/min = 2.04 Min

Minimum 3 minutes

 

Figure 2.11 Calculation of Purge Time

 

Table 2‑6 Purge Flow Table

Supply Pressure

Purge

P3 (kPa)

P4 (kPa)

Flow(L/Min)

140kPa (1.4 Bar)

3.8

3.6

350

200kPa (2.0 Bar)

4.8

4.2

475

250kPa (2.5 Bar)

5.2

4.4

550

300kPa (3.0 Bar)

6.6

5.4

590

400kPa (4.0 Bar)

8.2

6.0

660

500kPa (5.0 Bar)

9.4

6.6

700