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Design of Experiments for Sensitivity Analysis of a Hydrogen Supply Chain Design Model

Abstract : Hydrogen is one of the most promising energy carriers in the quest for a more sustainable energy mix. In this paper, a model of thehydrogen supply chain (HSC) based on energy sources, production, storage, transportation, and market has been developedthrough a MILP formulation (Mixed Integer Linear Programming). Previous studies have shown that the start-up of the HSCdeployment may be strongly penalized from an economic point of view. The objective of this work is to perform a sensitivityanalysis to identify the major parameters (factors) and their interaction affecting an economic criterion, i.e., the total daily cost(TDC) (response), encompassing capital and operational expenditures. An adapted methodology for this SA is the design ofexperiments through the Factorial Design and Response Surface methods. Six key parameters are chosen (demand, capitalchange factor (CCF), storage and production capital costs (SCC, PCC), learning rate (LR), and unit production cost (UPC)).The demand is the factor that is by far the most significant parameter that strongly conditions the TDC optimization criterion, thesecond most significant parameter being the capital change factor. To a lesser extent, the other influencing factors are PCC andLR. The main interactions are found between demand, CCF, UPC, and SCC. The discussion has also shown that the calculationof UPC has to be improved taking into account the contribution of the fixed, electricity, and feedstock costs instead of beingconsidered as a fixed parameter only depending on the size of the production unit. As any change that could occur relative todemand or CCF could strongly affect the response variable, more effort is also needed to find the more consistent way to modeldemand uncertainty in HSC design, especially since a long horizon time is considered for hydrogen deployment.
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Submitted on : Friday, February 19, 2021 - 3:43:17 PM
Last modification on : Monday, July 4, 2022 - 8:49:50 AM
Long-term archiving on: : Thursday, May 20, 2021 - 7:46:02 PM

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Jesus Ochoa Robles, Sofia de León Almaraz, Catherine Azzaro-Pantel. Design of Experiments for Sensitivity Analysis of a Hydrogen Supply Chain Design Model. Process Integration and Optimization for Sustainability, 2018, 2 (2), pp.95-116. ⟨10.1007/s41660-017-0025-y⟩. ⟨hal-03147109⟩

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