A Feasibility Study - Aaltodoc - Aalto-yliopisto

Cost of water (€/m³)
2
1,8
1,6
1,4
1,2
1
0,8
0,6
0 0,05 0,1 0,15 0,2 0,25
WaveRoller nominal pump capacity (m³/s)
Figure 40. Cost of water (€/m³) with varying pressure levels on Site 1.
Figure 40 presents the cost of water (€/m³) in each pressure level. Calculating the cost
of anything is highly susceptible to the starting values and this case is no exception.
Therefore the results contain some amount of uncertainty and should not be interpreted
too strictly. However, one clear conclusion can be made. The minimum cost of water in
pressure levels 45 – 65 bar are all very close to each other (0,76 – 0,81 €/m³) while the
minimum cost of water in pressure level 40 bar is clearly higher then these (0,90 €/m³).
For this reason the pressure level 40 bar is excluded from further studies. It clearly is
not a desirable operational pressure level.
58
40 bar
45 bar
50 bar
55 bar
60 bar
65 bar