Evaporation of NH3 in NH3/H2 atmosphere by 25 bar for neutral gas absorption refrigeration units |
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| Authors: | Dimitrios A. Kouremenos Athina Stegou-Sagia |
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| Affiliation: | (1) Mechanical Engineering Dept., Thermal Section, National Technical University of Athens, Athens, Griechewland |
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| Abstract: | The present work considers the evaporation process ofNH 3 inNH 3/H2 atmosphere, that takes place in neutral gas absorption refrigeration units. The data obtained are used to calculate the “psychrometric problem” and the evaporation process within an insulated tube. The “psychrometric problem” deals with the determination of the mass fraction of theNH 3/H 2 gas mixture from known “dry” and “wet bulb” temperatures for Lewis numbers not equal to one. The results are in good agreement with some existing experimental data. |
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