Abstract: 1 Concepts of waterjet propulsion and pumpjet propulsion:their common characteristics, special characteristics and differences…Wang Yongsheng (1)2 Progress in studies on key technologies for marine propulsion shafting scheme design…Lai Guojun, Liu Jinlin, Lei Junsong, et al (10)3 Optimal selection of ship's main engine based on interactive weighting and evidential reasoning…Zhao Ruijia, Xie Xinlian, Zhao Jiabao, et al (22)4 Two-dimensional transient discharge model of zinc-nickel single flow battery…Yao Shouguang, Zhao Qian, Zhao Yunhui, et al (28)5 Numerical simulation for flow and heat transfer of side exhaust spray of marine diesel engines…Wang Zhen, Wu Wei, Yang Xianyong, et al (36)6 Study on multi-spectral inversion of temperature and soot concentration in flames…Zhang Qi, Si Mengting, Wang Dongxu, et al (42)7 Nonlinear vibration characteristics of marine propulsion shafting under bending-longitudinal coupling effect…Xu Peng, Zou Donglin, Lü Fangrui, et al (49)8 Study on vibration-reduction performance of water-lubricated stern bearing with fluid-saturated perforated slab…Jin Yong, Kuang Junxin, Tian Xiangyu, et al (58)9 Analysis on propulsion shafting deformation characteristics of underwater vehicle under various condtions…Yu Tongquan, Li Tianyun, Liu Shengchao, et al (64)10 Body force-based method for determining flow velocity of sea water artesian circulating system…Chen Kang, Yao Zhichong, Zhou Endong, et al (70)11 Flow analysis and uniformity evaluation of the exhaust pipeline of a marine diesel engine…Li Benke, Huang Bingyang, Li Yanhua, et al (77)12 Analysis and optimization of resistance characteristics of submarine snorkel air-intake valve…Hu Haibin, Zhou Rui, Zhou Zhe, et al (85)13 Influence of multi-legged pose of the deep-sea crawling-swimming vehicle on the stability during cruising…Zhang Kang, Wang Lei, Leng Wenjun, et al (90)14 Simulation analysis tentative scheme of drag reduction by additives in water cannon system…Lin Peng, Gao Yimin, Cai Weihua, et al (98)15 Analysis on combustion characteristics of pool fire in the confined space with horizontal ceiling openings…Chen Bing, Zhang Shiqi, Shi Xunxian, et al (106)16 Influence of height of the air supply inlet on the smoke characteristics of the vertical single opening cabin fire during mechanical smoke exhaust…Qiu Jinshui, Ren Guanglu, Liu Boyun, et al (112)17 Design and realization of a nearby lightning-electric field environment simulator…Wang Ke, Duan Yantao, Shi Lihua, et al (119)18 Study on theoretical calculation of quasi-static pressure for explosion in confined space…Xu Weizheng, Wu Weiguo (124)19 Analysis on the damping characteristics of resonance changers based on the wave theory…Li Liangwei, Zhao Yao (131)20 Design and study on dynamic vibration absorber of fluid-conveying pipes based on the receptance method…Zhang Lin, Li Huafeng, Chen Yong, et al (138)21 Optimal scheduling of aviation support resources for carrier based aircrafts based on integer linear programming…Tan Dali, Wang Yunfei, Yu Lianfei, et al (145)22 Spatial positioning method based on visual measurement for carrier-based aircraft…Liu Jiaming (152)23 Analysis on convergence time of gyrocompass azimuth alignment…He Dongxu, Ge Lei, Zhang Xin, et al (159)