Y Hydrogen power 1000 kW Compression ratio 1 70 – Electrolyser efficiency 1 Hydrogen Hydrogen 1000 kW LHV power 120,000 kJ/kg Hydrogen mass kg/s Electrolyser efficiency 70 0.0058 Inlet gas pressure 1 120,000 bar LHV Hydrogen kJ/kg Storage pressure 20 bar Hydrogen mass 0.0058 kg/s Temperature involving serial 60 C Inlet gas pressure 1 bar heat exchangers Inlet stress 30 Storagegas temperature 20 bar C Isentropic efficiency 85 Temperature involving 60 serial heat exchangers two.2. Cost Analysis Inlet gas temperature 30 Isentropic efficiency working with configurations that provide pretty low energy consump85 As is well-known, tion doesn’t imply that they are the most economically feasible. For that cause, this subsection Analysis 2.2. Costcovers the evaluation of the expenses associated together with the procedure of compression and storage of well-known, functioning with configurations that is definitely to obtainlow power consumpAs is definitely the two working gases. The aim of this analysis offer quite mathematical expressions for the cost of that equipment UCB-5307 Purity & Documentation involved in the method too as forreason, this subtion will not imply the they’re by far the most economically feasible. For that the SB 271046 In Vitro operational fees. It has to be described of the expenses linked once more keeps a continual value of 20 bar section covers the analysis that the storage pressurewith the approach of compression and to evaluate the unique price expressions in of 1st instance. storage of your two working gases. The aim thethis evaluation is always to get mathematical exThere are many methodologies to estimate the investment required for the entire pressions for the cost of the equipment involved within the course of action as well as for the operasystem. Nevertheless, within this analysis the methodology utilised is based on a percentage of your tional expenses. It must be described that the storage pressure once more keeps a continual value procurement fees with the gear required. This investment system was selected due to of 20 bar to evaluate the unique expense expressions in the 1st instance. it being utilised in preliminary cost estimations where tiny cost-related data are offered. There are numerous methodologies to estimate the investment necessary for the entire technique. On the other hand, within this investigation the methodology made use of is based on a percentage of theAppl. Sci. 2021, 11,5 ofFor that explanation, it need to be described that the uncertainty associated with this strategy is roughly 20 to 30 [25], which is usual for economic analyses inside the literature. The more elements involved within the initial investment are estimated on a percentage average with the gear fees, as shown in Table two and Equation (three) [25], where fi are variables that represent piping, electric fees, control gear, and so on. The typical percentages had been obtained from Peters et al. [25], for the calculation of industrial plant fees exactly where the whole method involves fluid-type components. Offered the industrial gear expense varies in time and taking into consideration that this study has been created in October 2021, an update price, based around the variation inside the Chemical Engineering Plant Price Index [26], was deemed to actualize the overall costs. CAPEX =( E f 1 E f 2 E . . . f n E ) = E (1 f 1 f two . . . f n )(3)Table two. Investment estimation based on a percentage with the gear acquisition fees. Expense Description Study Case FIXED Fees E, Most important gear cost (compressors and heat exchangers) Gear installation Instrumentation and control systems Gas piping Electrical syste.