RT Journal T1 Design approach for single piston hydraulic free piston diesel engines A1 Wei WU, Shihua YUAN, Jibin HU, Chongbo JING, PB Front. Mech. Eng. FD 2009-12-05 YR 2009 JF Frontiers of Mechanical Engineering JO Front. Mech. Eng. VO 4 IS 4 SP 371 DO 10.1007/s11465-009-0069-y K1 free piston engine (FPE); diesel engine; hydraulic equipment; simulation; experiment LK {https://journal.hep.com.cn/fme/EN/article/article_9998.shtml}