Studies on Carbon Dioxide Power Plant : 3rd Report, Theoretical Analysis of Dynamic Characteristics and Comparisons with Experimental Results

概要

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A theoretical analysis of the dynamic characteristics of power plants using carbon dioxide as a working medium is conducted and comparisons with the experimental results reported in the 2nd report are made. Mass, energy, and momentum conservation equations are linearized for each element of the CO_2 power plant, that is, a pump, a heater, a turbine, a blower, piping system, and control valves with a lumped parameter model. Then, respective transfer functions are obtained and connected as a total system. A simulation of the dynamic characteristics for the experimental apparatus of a small-scale supercritical pressure carbon dioxide power plant was conducted with a digital computer. The results of the theoretical analysis agreed well with the experimental results of the theoretical analysis agreed well with the experimental results. This analytical method would be applicable for the estimation of the dynamic behavior of large scale CO_2 plants.
社団法人日本機械学会の論文