Double Step Reducing Characteristics Analysis of On-Board High Pressured Hydrogen Transmission

Abstract:

Pressure reducing and control is the key technology in hydrogen transmission for fuel cell cars. A double step system with two direct reducing valves had been provided in this paper. These two valves depressurize the tank hydrogen pressure from 35MPa or 70MPa to 5MPa at first, then to 0.16MPa, adapting the fuel cell demands. The valves static analysis show the flow rate and pressure characteristics are rigid. The dynamic simulation display the valves quick response and pressure control accuracy are satisfied fuel cell working condition. The analogue experiments verify the system reducing performance and the double step reducing system is applicable to fuel cell cars hydrogen transmission.

• Periodical: Advanced Materials Research (Volumes 204-210)
• Pages: 1972-1977
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.204-210.1972
• Online since: February 2011
• Authors: Jing Li, Xi Zhang, Yao Bao Yin
• Keywords: Fuel Cell Vehicles, High Pressured, Hydrogen Transmission, Reducing Characteristics

References

[1] Information on http: /www. sciencenet. cn.

[2] Zuttel, Andreas: Materials for Hydrogen Storage (Materials Today, 2003(6), pp.24-33).

[3] Yin Yaobao, Luo Jiuyang, Chen Jieping and Ma Jianxin: Characteristics of High-pressure Hydrogen Transportation System and Gas Cylinder of Hydrogen Fuel Cell Vehicle (Machine Tool & Hydraulics, Guangzhou, Vol. 36 No. 10, pp.33-36, 150).

[4] Zhao Dalei, Yu Zhiyuan and Yao Xiaoxian: Computation of Static and Dynamic Characteristics for Pnumetic Pressure Regulator (Tactical Missile Control Technic, Beijing, Vol. 49 No. 2, pp.84-87).

[5] Lin Jianzhong, Ruan Xiaodong, and Chen Bangguo, in: Hydrodynamics, chapter 6, Qinghua University Publishers (2005).