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Updated: Jun 30, 2025

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
Published on: August 17, 2016
Hybrid off-grid energy systems optimal sizing with integrated hydrogen storage based on deterministic balance
Alaa Selim1,2,3, Mohamed El-Shimy4, Ghada Amer5
1Electrical and Computer Engineering Department, University of Connecticut, Storrs, Connecticut, USA. alaa.selim@uconn.edu.
Abstract:
The transition to sustainable power infrastructure necessitates integrating various renewable energy sources efficiently. Our study introduces the deterministic balanced method (DBM) for optimizing hybrid energy systems, with a particular focus on using hydrogen for energy balance. The DBM translates the sizing optimization problem into a deterministic one, significantly reducing the number of iterations compared to state-of-the-art methods. Comparative analysis with HOMER Pro demonstrates a strong alignment of results, with deviations limited to a 5% margin, confirming the precision of our method in sizing determinations. Utilizing solar and wind data, our research includes a case study of Cairo International Airport, applying the DBM to actual energy demands.
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