Investigating the Optimum Practical Hydrogen Working Pressure for Gaseous Hydrogen Fueled Vehicles

Harty, Ryan; Mathison, Steven; Cun, David; McDougall, Mark G.; Nanalal, Angela; Gambone, Livio; Smith, Bradley John; Gupta, Nikunj

doi:10.4271/2010-01-0854

Cited by 5 publications

(5 citation statements)

References 1 publication

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“…According to the analytical solution of the hydrogen temperature, the hydrogen temperature can be expressed by the initial hydrogen temperature and the gas inflow temperature [29], as shown in Equation (11).…”

Section: Determination Of Final Hydrogen Temperature By Initial Hydro...mentioning

confidence: 99%

“…Therefore, the MC method can greatly reduce the construction cost and workload for hydrogen fueling stations. Moreover, the MC method can effectively shorten the fueling time and improve fueling efficiency [11,12].…”

Section: Introductionmentioning

confidence: 99%

“…However, under different initial conditions, the value of the MC will accordingly change. Therefore, it is important to establish a model which can simulate the hydrogen fueling process for a compressed hydrogen tank [11][12][13]. There are two kinds of models for refueling simulation, the 0D model and the CFD model.…”

Section: Introductionmentioning

confidence: 99%

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Lumped Parameter Modeling of SAE J2601 Hydrogen Fueling Tests

Deng

Luo

et al. 2023

Sustainability

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The safety of hydrogen storage is essential for the development of fuel cell vehicles. A mathematical model for a compressed hydrogen storage tank is established based on the mass conservation equation, the energy conservation equation and the real gas equation of state. Using the Matlab/Simulink platform, a dual-zone lumped parameter model, which divides the tank into a hydrogen gas zone and a tank wall zone, is established. The initial conditions of the MC Default method hydrogen filling from SAE J2601 are utilized in the lumped parameter model for numerical simulation. Five cases are studied, including two different tanks. One case used the Lookup table for hydrogen refueling, and four cases used the MC Default method for fueling. The hydrogen gas temperature, wall temperature, pressure in the tank and state of charge are obtained during the fueling process. The simulated results show that the dual-zone lumped parameter model can well predict the temperature, pressure and state of charge (SOC) for Type IV tanks with volumes of 249 L and 117 L during refueling. By using the averaged heat transfer coefficient (80 W/(m2·K)) between gas and wall, and the constant heat transfer coefficient (20 W/(m2·K)) between wall and environment, the gas temperature and pressure of our dual-zone lumped parameter model show good agreement with the experiment. The maximum difference between simulated and experimental wall temperatures for five cases is around 2 °C. The experimental wall temperatures were measured on the external surface of the tank, while the simulated wall temperature of the dual-zone lumped parameter model is representative of a mean temperature averaged alone with the radial direction.

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Section: Determination Of Final Hydrogen Temperature By Initial Hydro...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Lumped Parameter Modeling of SAE J2601 Hydrogen Fueling Tests

Deng

Luo

et al. 2023

Sustainability

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“…The use pressure of hydrogen in the hydrogen engine and the driving range are two important factors that limit the application of hydrogen in a vehicle . Therefore, the research on the use of hydrogen as a secondary fuel to improve the combustion properties of other fuels is also abundant.…”

Section: Introductionmentioning

confidence: 99%

“…16 The use pressure of hydrogen in the hydrogen engine and the driving range are two important factors that limit the application of hydrogen in a vehicle. 17 Therefore, the research on the use of hydrogen as a secondary fuel to improve the combustion properties of other fuels is also abundant. Du et al studied the effects of hydrogen direct injection and gasoline intake port injection on combustion and emission characteristics.…”

Section: Introductionmentioning

confidence: 99%

Effects of Hydrogen Addition Ratios on Cycle-by-Cycle Variations of a Duel-Fuel Spark Ignition Engine with Ethanol Intake Port Injection and Hydrogen Direct Injection under Various Excess Air Ratios

Zhao

Shi

et al. 2020

Energy Fuels

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To improve the combustion stability of an ethanol engine under lean-burn conditions, the experiment was carried out on a spark ignition engine with ethanol intake port injection and hydrogen direct injection. To study the effects of ignition timing, excess air ratio, and hydrogen addition ratio on cycle-by-cycle variations of an ethanol engine, five different ignition timings, five different excess air ratios, and five different hydrogen addition ratios were applied at a low speed of 1500 revolutions/min and small throttle opening of 9%. The experimental results showed that the cyclic variation of the peak in-cylinder pressure decreased with the advance of ignition timing and the cyclic variation of the indicated mean effective pressure decreased first and then increased. When the ignition timing is fixed at 10° crank angle before top dead center, the cyclic variation of the peak in-cylinder pressure, the peak pressure change rate, and the indicated mean effective pressure decreased with the increase of the hydrogen addition ratio. A 15% hydrogen addition can reduce the coefficient of variation of peak in-cylinder pressure by 75%. When the hydrogen addition ratio is 10%, the ethanol engine can run steadily under lean-burn conditions with an excess air ratio of 1.5.

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A method for determining the optimal delivered hydrogen pressure for fuel cell electric vehicles

Lin

Elgowainy

et al. 2018

Applied Energy

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Investigating the Optimum Practical Hydrogen Working Pressure for Gaseous Hydrogen Fueled Vehicles

Cited by 5 publications

References 1 publication

Lumped Parameter Modeling of SAE J2601 Hydrogen Fueling Tests

Lumped Parameter Modeling of SAE J2601 Hydrogen Fueling Tests

Effects of Hydrogen Addition Ratios on Cycle-by-Cycle Variations of a Duel-Fuel Spark Ignition Engine with Ethanol Intake Port Injection and Hydrogen Direct Injection under Various Excess Air Ratios

A method for determining the optimal delivered hydrogen pressure for fuel cell electric vehicles

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