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Studies of Metal-water Reactions at High Temperatures

其他書名	Experimental and theoretical studies of the zirconium-water reaction. III
出版	Argonne National Laboratory, 1962
URL	http://books.google.com.hk/books?id=tTW8WDUeCvsC&hl=&source=gbs_api

註釋Further studies of the Zirconium-water reaction by the condenser-discharge method are reported. The reaction was studied with initial metal temperatures from 1100 to 4000 deg C with 30- and 60-mil wires in water from room temperature to 315 deg C (1500-psi vapor pressure). Runs in heated water showed markedly greater reactions. This was explained in terms of a 2-step reaction scheme in which the reaction rate is initially controlled by the rate of gaseous diffusion of water vapor toward the hot metal particles and of hydrogen, generated by reaction, away from the particles. At a later time, the reaction becomes controlled by the parabolic rate law, resulting in rapid cooling of the particles.