成果報告書詳細
管理番号20140000000116
タイトル*平成25年度中間年報 水素利用技術研究開発事業 燃料電池自動車及び水素供給インフラの国内規制適正化、国際基準調和・国際標準化に関する研究開発 燃料電池自動車への水素充填時における過充填防止のための措置に係る技術基準の見直し等に関する研究開発(国立大学法人九州大学)
公開日2014/5/2
報告書年度2013 - 2013
委託先名国立大学法人九州大学
プロジェクト番号P13002
部署名新エネルギー部
和文要約
英文要約Title: Research and Development of Technology for Hydrogen Utilization/ Research and Development for Optimization of Domestic Regulation, International Harmonization and International Standardization for FCV and Hydrogen Infrastructure/ Research and Development of Technical standards Review Regarding Preventive Measures of Overfilling on Hydrogen fueling for FCV. (FY2013-FY2015) FY2013 Annual Report.

Subtheme 4: Data Acquisition of Hydrogen Transport Property for High Precision Simulation of Hydrogen Fueling. Accurate transport properties of hydrogen are essential for the simulation of filling processes of high-pressure hydrogen from hydrogen stations to fuel cell vehicles, and viscosities and thermal conductivities of hydrogen from 233 K to room temperature up to 100 MPa are required. In the present study, the vibrating wire method for the viscosity measurement and the transient short hot-wire method for the thermal conductivity measurement are adopted, and an apparatus for both methods is commonly available by replacing the modules in the sample vessel. In this fiscal year, a cryostat has been originally designed and developed to enable to the measurement at low temperatures, and viscosities of nitrogen and hydrogen were measured by the vibrating wire method from 296 K to 773 K and at pressures up to 0.7 MPa. AC voltage with different frequencies is supplied to the wire set in a magnetic field, and viscosities are determined from the resonant curve obtained by measuring induced voltages. The temperature dependence of the internal friction coefficients of the wire was determined, and the measured data were compared with correlations of the nitrogen and hydrogen viscosities.
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