Abstract
With the increasing demand to find new energy resources instead of using fossil fuels, for the protection of the environment, one of most attractive areas in renewable energy is hydrogen. Hydrogen gas has high energy efficiency, generates the least greenhouse gases and produces no noise. Moreover, overland transportation industries have been researching and developing hydrogen gas storage systems worldwide. Such a manner of fuel system consists of a hydrogen gas tank, high pressure regulator and solenoid valve, etc. In this paper, a test bed is suggested for ultra-high pressure systems integrating a valve and regulator with precision control. We carried out performance tests by applying voltage with wide ranges of input pressure, response time and output flow rate and pulsation repetition tests considering increases in temperature, etc. Moreover, the results indicated good potential for application in fuel charging and transporting commercial hydrogen vehicles.
Highlights
Worldwide greenhouse gas emission regulation has brought new energy sources into practical consideration, such as wind power, solar cells, natural gas, chemical cells etc
Much researches have been carried out in order to verify the basic behavior and performance of the pneumatic parts used in hydrogen cells [1]
The solenoid valve controls the amount of ultra-high pressure hydrogen gas released from storage and sends the gas to the depressurizing valve to charge
Summary
Worldwide greenhouse gas emission regulation has brought new energy sources into practical consideration, such as wind power, solar cells, natural gas, chemical cells etc. The solenoid valve controls the amount of ultra-high pressure hydrogen gas released from storage and sends the gas to the depressurizing valve to charge. Increasing the distance of gas passage increases pulsation and reduces durability due to the increasing probability of leakage points [9,10]. In this investigation, an ultra-high-pressure (up to 1050 bar) test bed is suggested, which controls the state of the hydrogen gas, and the performance was test and analyzed to determine the possibility of applying it in conventional vehicles
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