Abstract：
Because of the extremely low vapor pressure associated with gelled hypergolic propellants (GHPs) for reduced vapor toxicity, their ignition delay depends critically on the propensity of the injected colliding jets and droplets to merge, mix, and react. The talk will cover both the physical aspect of mixing and the chemical aspect of reactivity, respectively illustrated by an analysis of droplet collision and a quantum chemistry computation for the decomposition of monomethylhydrazine (MMH, CH3NHNH2).

Biography：
Peng Zhang is a Combustion Energy Frontier Research Center (CEFRC) Fellow and Postdoctoral Research Associate in the Department of Mechanical and Aerospace Engineering at Princeton University. He received his PhD degree in mechanical and aerospace engineering from Princeton University in 2010; his Master degree in aerospace engineering from Institute of Mechanics, Chinese Academy of Sciences in 2003; and his Bachelor degree in mechanical engineering from University of Science and Technology of China (USTC) in 2000.