%0 Journal Article %T Effect of Valve Timing and Excess Air Ratio on Torque in Hydrogen-Fueled Internal Combustion Engine for UAV %A Park, Cheolwoong %A Park, Wonah %A Kim, Yongrae %A Choi, Young %A Lim, Byeungjun %J Energies %V 12 %N 5 %@ 1996-1073 %D 2019-02-26 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve