Trans Chapter4 15

PIPENET VISION TRAINING MANUAL TRANSIENT: CHAPTER 4 PAGE 15 OF 37 REVISION 2.1, SEP 2010 5.7 Specifications This system contains a cooling tower, for which the pressure specification at the input and output nodes is a constant of value 0 bar G. If we wanted to take into account the water depth in the cooling tower basin, we could set the input pressure to an appropriate value, such as 0.2 bar G (at the input node). However, in this example, it is set to 0 bar G. The return lines enter the top of the cooling tower. Here, again, it is sensible to set the pressure to be 0 bar G (at Nodes 33 and 34).

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Trans Chapter4 15

Transcript of Trans Chapter4 15

PIPENET VISION TRAINING MANUAL TRANSIENT: CHAPTER 4 PAGE 15 OF 37 REVISION 2.1, SEP 2010

5.7 Specifications

This system contains a cooling tower, for which the pressure specification at the input and output nodes is a constant of value 0 bar G. If we wanted to take into account the water depth in the cooling tower basin, we could set the input pressure to an appropriate value, such as 0.2 bar G (at the input node). However, in this example, it is set to 0 bar G.

The return lines enter the top of the cooling tower. Here, again, it is sensible to set the pressure to be 0 bar G (at Nodes 33 and 34).