The Complete Modelling of the Filling Process of Hydrogen Onboard Vehicle Cylinders

Deymi–Dashtebayaz, Mahdi; Farzaneh–Gord, Mahmood; Nooralipoor, Navid; Niazmand, Hamid

doi:10.1590/0104-6632.20160332s20140209

Cited by 19 publications

(4 citation statements)

References 21 publications

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“…The results obtained align with findings from prior studies [24,[26][27][28][29]52]. The initial mass flow rate for methane is 0.053 kg/s, and for pure hydrogen, it is 0.016 kg/s, with a final pressure in the tank of 35 MPa.…”

Section: Resultssupporting

confidence: 87%

“…The maximum mass flow rate is observed with pure methane (Sample 1), whereas the lowest is observed for pure hydrogen (Sample 4), owing to the higher density of methane compared to hydrogen. The results obtained align with findings from prior studies [24,[26][27][28][29]52]. The initial mass flow rate for methane is 0.053 kg/s, and for pure hydrogen, it is 0.016 kg/s, with a final pressure in the tank of 35 MPa.…”

Section: Resultssupporting

confidence: 87%

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Effects of Hydrogen, Methane, and Their Blends on Rapid-Filling Process of High-Pressure Composite Tank

Saferna,

Kuczyński

et al. 2024

Energies

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Alternative fuels such as hydrogen, compressed natural gas, and liquefied natural gas are considered as feasible energy carriers. Selected positive factors from the EU climate and energy policy on achieving climate neutrality by 2050 highlighted the need for the gradual expansion of the infrastructure for alternative fuel. In this research, continuity equations and the first and second laws of thermodynamics were used to develop a theoretical model to explore the impact of hydrogen and natural gas on both the filling process and the ultimate in-cylinder conditions of a type IV composite cylinder (20 MPa for CNG, 35 MPa and 70 MPa for hydrogen). A composite tank was considered an adiabatic system. Within this study, based on the GERG-2008 equation of state, a thermodynamic model was developed to compare and determine the influence of (i) hydrogen and (ii) natural gas on the selected thermodynamic parameters during the fast-filling process. The obtained results show that the cylinder-filling time, depending on the cylinder capacity, is approximately 36–37% shorter for pure hydrogen compared to pure methane, and the maximum energy stored in the storage tank for pure hydrogen is approximately 28% lower compared to methane, whereas the total entropy generation for pure hydrogen is approximately 52% higher compared to pure methane.

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Section: Resultssupporting

confidence: 87%

Section: Resultssupporting

confidence: 87%

Effects of Hydrogen, Methane, and Their Blends on Rapid-Filling Process of High-Pressure Composite Tank

Saferna,

Kuczyński

et al. 2024

Energies

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“…Despite the interest in the modelling of cylinder filling with compressed natural gas, there are also studies which have considered thermodynamic parameters during hydrogen fast filling to cylinders (types III and IV) [32][33][34][35][36][37][38][39][40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Analysis of CNG Fast Filling Process of Composite Cylinder Type IV

Saferna¹,

Saferna²,

Kuczyński

et al. 2021

Energies

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Due to ecological and economic advantages, natural gas is used as an alternative fuel in the transportation sector in the form of compressed natural gas (CNG) and liquefied natural gas (LNG). Development of infrastructure is necessary to popularize vehicles that use alternative fuels. Selected positive factors from EU countries supporting the development of the CNG market were discussed. The process of natural gas vehicle (NGV) fast filling is related to thermodynamic phenomena occurring in a tank. In this study, the first law of thermodynamics and continuity equations were applied to develop a theoretical model to investigate the effects of natural gas composition on the filling process and the final in-cylinder conditions of NGV on-board composite cylinder (type IV). Peng–Robinson equation of state (P-R EOS) was applied, and a lightweight composite tank (type IV) was considered as an adiabatic system. The authors have devised a model to determine the influence of natural gas composition on the selected thermodynamic parameters during fast filling: Joule–Thomson (J-T) coefficient, in-cylinder gas temperature, mass flow rate profiles, in-cylinder mass increase, natural gas density change, ambient temperature on the final natural gas temperature, influence of an ambient temperature on the amount of refueled natural gas mass. Results emphasize the importance of natural gas composition as an important parameter for the filling process of the NGV on-board composite tank (type IV).

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“…The temperature of the vehicle's hydrogen‐storage cylinder during discharge was anticipated and calculated by Molkov et al [ 28 ] Zhang et al [ 29 ] employed a thermodynamic technique to calculate the hydrogen‐filling process of a 70 MPa/100 L vehicle's hydrogen‐storage cylinder. Deymi et al [ 30 ] discovered that the ambient temperature influences the filling process, namely the ultimate hydrogen temperature and filling quality. Roberta Caponi et al [ 31 ] analyzed the cost of five types of hydrogen with a capacity of 100–400 kg d −1 HRS, and the analysis showed that the cost of the on‐site hydrogen production HRS was about 11–12 EUR kg −1 , while the cost of the external delivery HRS was 8–9 EUR kg −1 .…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Hydrogen‐Filling Process of Fixed Station and Skid Station Based on Different Working Conditions

Wei,

Chang,

Zhang

et al. 2024

Energy Tech

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Hydrogen energy is recognized as the most potential renewable energy in the 21st century due to the rising depletion of fossil fuels. Hydrogen refilling stations, as the infrastructure of hydrogen energy, are one of the key components of the entire hydrogen energy industry chain. Analyzing the filling process of hydrogen‐refueling stations (HRS) helps to promote the construction of HRSs. Thus, it promotes the construction of a clean, low‐carbon, safe, and efficient energy system and the high‐quality development of the hydrogen energy industry. In this article, gas cylinders with nominal working pressures of 35 and 70 MPa are filled using three different HRSs, such as single‐stage fixed station, three‐stage fixed station, and skid station. The filling end temperature, filling energy consumption, filling rate, and filling time during the filling process are compared and analyzed. In the results, it is shown that skid station has the advantages of lower filling end temperature and less energy consumption. Thus, in terms of reducing energy loss, the skid‐mounted HRSs can be promoted.

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The Complete Modelling of the Filling Process of Hydrogen Onboard Vehicle Cylinders

Cited by 19 publications

References 21 publications

Effects of Hydrogen, Methane, and Their Blends on Rapid-Filling Process of High-Pressure Composite Tank

Effects of Hydrogen, Methane, and Their Blends on Rapid-Filling Process of High-Pressure Composite Tank

Thermodynamic Analysis of CNG Fast Filling Process of Composite Cylinder Type IV

Analysis of the Hydrogen‐Filling Process of Fixed Station and Skid Station Based on Different Working Conditions

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