Keyword *PUMP

This keyword is used to enter pump data.

FORMAT:

*PUMP <pipeID, sida, naf, nar, pris1, pris 2, pris3,pris4, ndef, flödei, dpi, efi, >/

i = 1 - 12, i.e. up to 12 points can be specified.

Where:

pipeID :        Pipe or node ID

sida    :        0 both supply pipe and return pipe             

                             1 supply

                             2 return

                             3 node

naf     :        Current speed for the supply pipe (revs per sec)  

nar     :        Current speed for the return pipe (revs per sec)

pris1   :        Operating cost for the pump (SEK/kWh)

pris2   :        C tax (SEK/kWh)

pris3   :        N tax (SEK/kWh)

pris4   :        S tax (SEK/kWh)

ndef    :        Speed for which the pump characteristic is specified (revs per sec)

flödei  :        Mass flow at which the pump pressurises dpi (kg/s)

dpi      :        Pressure increase (kPa), corresponding to flödei

efi      :        Power (kW), corresponding to flödei

Example:

*PUMP Pipe ID  : “L1”

   Supply/return  : 2          

   Curr. speed supply pipe    : 0  revs per sec

   Curr. speed return pipe    : 25 revs per sec

   Pump cost         : 0.70 SEK/kWh

   C-tax          :  0.4

   N-tax          :  0.2

   S-tax          :  0.8

 

   Pump characteristic defined for : 24 revs per sec

 

   Flow  Lift  Power

   0.0   400.0 20.0

   75.0  370.0 30.0

   125.0 300.0    60.0 /