Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders

This paper introduces a new hydrogen refueling system with a micro-scale hydrogen turbo-expander that enables us to replace a conventional low temperature refrigerator. From the process simulation of hydrogen refueling to the tank of a typical Fuel Cell Vehicle (FCV), the system is thermodynamicall...

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Autores principales:	Jun YOSHIDA, Eito MATSUO, Yasuyuki TAKATA, Masanori MONDE
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2019
Materias:	expansion turbine hydrogen pre-cooling process hydrogen thermal properties Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/7e9c7890cb2d473a8d5358e8c59f746a
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spelling	oai:doaj.org-article:7e9c7890cb2d473a8d5358e8c59f746a2021-11-29T05:43:34ZThermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders2187-974510.1299/mej.18-00388https://doaj.org/article/7e9c7890cb2d473a8d5358e8c59f746a2019-04-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/6/3/6_18-00388/_pdf/-char/enhttps://doaj.org/toc/2187-9745This paper introduces a new hydrogen refueling system with a micro-scale hydrogen turbo-expander that enables us to replace a conventional low temperature refrigerator. From the process simulation of hydrogen refueling to the tank of a typical Fuel Cell Vehicle (FCV), the system is thermodynamically verified to be capable of refueling 5 kg-H2 within 3 minutes by the direct expansion in the micro-scale hydrogen turbo-expander. For the realization of this new concept, a process design approach of a high pressure hydrogen refueling system with the micro-scale hydrogen turbo-expander is described. In this process design, a turbine-compressor type is adopted to the micro-scale hydrogen turbo-expander unit, and an extracted power from the turbine side is consumed as a compressor power which is equipped on the opposite side of the turbine rotor. As a consequence of the thermodynamic analysis and simulation for the proposed system including the turbo-expander with adiabatic efficiency around65 %, it reveals that the new system provides some significant advantages compared with the conventional process. From a feasible investigation of this system, several advantageous features such as 1) high energy conservation, 2) compactness, 3) initial cost and operation cost, and, 4) system expandability (modification for shorter time refueling) are also described when it is compared with the existing system.Jun YOSHIDAEito MATSUOYasuyuki TAKATAMasanori MONDEThe Japan Society of Mechanical Engineersarticleexpansion turbinehydrogenpre-cooling processhydrogen thermal propertiesMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 6, Iss 3, Pp 18-00388-18-00388 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	expansion turbine hydrogen pre-cooling process hydrogen thermal properties Mechanical engineering and machinery TJ1-1570
spellingShingle	expansion turbine hydrogen pre-cooling process hydrogen thermal properties Mechanical engineering and machinery TJ1-1570 Jun YOSHIDA Eito MATSUO Yasuyuki TAKATA Masanori MONDE Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
description	This paper introduces a new hydrogen refueling system with a micro-scale hydrogen turbo-expander that enables us to replace a conventional low temperature refrigerator. From the process simulation of hydrogen refueling to the tank of a typical Fuel Cell Vehicle (FCV), the system is thermodynamically verified to be capable of refueling 5 kg-H2 within 3 minutes by the direct expansion in the micro-scale hydrogen turbo-expander. For the realization of this new concept, a process design approach of a high pressure hydrogen refueling system with the micro-scale hydrogen turbo-expander is described. In this process design, a turbine-compressor type is adopted to the micro-scale hydrogen turbo-expander unit, and an extracted power from the turbine side is consumed as a compressor power which is equipped on the opposite side of the turbine rotor. As a consequence of the thermodynamic analysis and simulation for the proposed system including the turbo-expander with adiabatic efficiency around65 %, it reveals that the new system provides some significant advantages compared with the conventional process. From a feasible investigation of this system, several advantageous features such as 1) high energy conservation, 2) compactness, 3) initial cost and operation cost, and, 4) system expandability (modification for shorter time refueling) are also described when it is compared with the existing system.
format	article
author	Jun YOSHIDA Eito MATSUO Yasuyuki TAKATA Masanori MONDE
author_facet	Jun YOSHIDA Eito MATSUO Yasuyuki TAKATA Masanori MONDE
author_sort	Jun YOSHIDA
title	Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
title_short	Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
title_full	Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
title_fullStr	Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
title_full_unstemmed	Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
title_sort	thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders
publisher	The Japan Society of Mechanical Engineers
publishDate	2019
url	https://doaj.org/article/7e9c7890cb2d473a8d5358e8c59f746a
work_keys_str_mv	AT junyoshida thermodynamicanalysisofhighpressurehydrogengasrefuelingsystemwithturboexpanders AT eitomatsuo thermodynamicanalysisofhighpressurehydrogengasrefuelingsystemwithturboexpanders AT yasuyukitakata thermodynamicanalysisofhighpressurehydrogengasrefuelingsystemwithturboexpanders AT masanorimonde thermodynamicanalysisofhighpressurehydrogengasrefuelingsystemwithturboexpanders
_version_	1718407654107250688

Thermodynamic analysis of high pressure hydrogen gas refueling system with turbo-expanders

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