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Price inflation effects on a solar-geothermal system for combined production of hydrogen, power, freshwater and heat

Sohani, A., Delfani, F., Hosseini, M., Sayyaadi, H., Karimi, N. , Li, L. K.B. and Doranehgard, M. H. (2022) Price inflation effects on a solar-geothermal system for combined production of hydrogen, power, freshwater and heat. International Journal of Hydrogen Energy, (doi: 10.1016/j.ijhydene.2022.04.130) (Early Online Publication)

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Abstract

This study explores the effects of price inflation on the optimal performance of a solar-geothermal system capable of combined production of hydrogen, power, freshwater and heat. Multi-objective optimization is applied, with the ground water mass flow rate and the solar collector area as the decision variables, alongside the payback period and the annual production of hydrogen, power, freshwater and heat as the objective functions. The results show that when inflation rises four-fold from 0.05 to 0.20, the ground water mass flow rate drops by 20.1%, while the solar collector area rises by 14.4%. Accompanying this are 15.0%, 12.2% and 12.0% decreases in annual freshwater, power and heat production, respectively, alongside a 9.9% increase in annual hydrogen production. The payback period, meanwhile, increases only modestly, from 6.11 to 7.39 years, demonstrating the economic viability of such a combined solar-geothermal system, even in inflationary times.

Item Type:Articles
Status:Early Online Publication
Refereed:Yes
Glasgow Author(s) Enlighten ID:Karimi, Dr Nader
Authors: Sohani, A., Delfani, F., Hosseini, M., Sayyaadi, H., Karimi, N., Li, L. K.B., and Doranehgard, M. H.
College/School:College of Science and Engineering > School of Engineering
Journal Name:International Journal of Hydrogen Energy
Publisher:Elsevier
ISSN:0360-3199
ISSN (Online):1879-3487
Published Online:08 May 2022
Copyright Holders:Copyright © 2022 Hydrogen Energy Publications LLC
First Published:First published in International Journal of Hydrogen Energy 2022
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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