A Comparison of the Energy Expenditure in Different Storage Tank Geometries to Maintain H 2 in the Liquid State

Joaquim Monteiro (), Leonardo Ribeiro, Gustavo F. Pinto, Adélio Cavadas, Beatriz Coutinho and Andresa Baptista
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Joaquim Monteiro: CIDEM, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
Leonardo Ribeiro: CIDEM, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
Gustavo F. Pinto: CIDEM, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
Adélio Cavadas: ProMetheus—Escola Superior de Tecnologia e Gestão, Instituto Politécnico de Viana do Castelo, Rua Escola Industrial e Comercial de Nun’Álvares, 4900-347 Viana do Castelo, Portugal
Beatriz Coutinho: CIDEM, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal
Andresa Baptista: CIDEM, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal

Energies, 2024, vol. 17, issue 22, 1-17

Abstract: The aim of this paper is the study of the storage of hydrogen in the liquid state, LH 2 , with a focus on the thermal gains for cylindrical and spherical tank geometries. A given tank volume was assumed; three geometries for such a tank were taken, similar to the most common tanks for LH 2 storage: cylindrical (vertical and horizontal) and spherical. An integrated refrigeration system was considered for LH 2 stored at a temperature around 22 K and at a pressure around 3 bar. Then, the energy expenditure by the refrigeration system to maintain LH 2 in the liquid state was determined and compared with the value of the energy contained in the LH 2 , in order to compare such a storage method to other hydrogen storage methods, namely compressed hydrogen, in the gaseous state. The most important conclusion was that spherical tanks had lower thermal gains than tanks with other geometries.

Keywords: hydrogen; storage; liquid; thermal gain (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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