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- 저자 : 에드가르윌리리마라친발데라마 (검색결과 1 건)
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Numerical Modeling of Hydrogen Generator
에드가르윌리리마라친발데라마 경상대학교 대학원 2017 국내석사
Hydrogen gas is utilized in diverse industrial applications due to its clean energy nature. However, its production and storage is still expensive and high-risk process, and there have been significant efforts to find out a novel hydrogen generation technique. One of the simple but efficient way to generate the hydrogen gas is to use the reaction of a metal fuel (e.g. aluminum) with water containing some alkali ions as the catalyst. The purpose of this thesis is to develop a numerical modeling for a hydrogen generator with unsteady one-dimensional approach. To this end, the species conservation equations for hydrogen and alkali solution are introduced while a single gas-liquid-solid mixture is assumed for the energy conservation equation. The analytical explicit formulations are employed to compute gas and liquid velocities. A MATLAB code is written to numerically compute the eight time-dependent variables of gas/liquid molar concentration, gas/liquid velocity, gas/liquid/solid volume fractions, and medium temperature. The developed code is validated with experimental results and it is expected to be useful in designing a novel hydrogen generator with metal fuel.
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