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Simulation of the evaporation process in absorption refrigerators using methylamine as refrigerant and hydrogen as inert gas

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dc.contributor.author Kouremenos, DA en
dc.contributor.author Rogdakis, ED en
dc.contributor.author Antonopoulos, KA en
dc.contributor.author Stegou-Sagia, A en
dc.date.accessioned 2014-03-01T02:48:08Z
dc.date.available 2014-03-01T02:48:08Z
dc.date.issued 1992 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/33557
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-0026993144&partnerID=40&md5=497cd8c161fb2879809333c2f5a68bd1 en
dc.subject.other Absorption en
dc.subject.other Differential equations en
dc.subject.other Evaporation en
dc.subject.other Finite difference method en
dc.subject.other Flow of fluids en
dc.subject.other Heat transfer en
dc.subject.other Hydrogen en
dc.subject.other Inert gases en
dc.subject.other Mass transfer en
dc.subject.other Refrigerants en
dc.subject.other Thermodynamics en
dc.subject.other Thin films en
dc.subject.other Liquid methylamine thin films en
dc.subject.other Momentum transport en
dc.subject.other Neutral gas absorption refrigerators en
dc.subject.other Refrigerators en
dc.title Simulation of the evaporation process in absorption refrigerators using methylamine as refrigerant and hydrogen as inert gas en
heal.type conferenceItem en
heal.publicationDate 1992 en
heal.abstract A procedure is developed for the simulation of the evaporation process in neutral gas absorption refrigeration units, using methylamine as refrigerant and hydrogen as inert gas. The situation considered concerns a thin annular film of liquid methylamine flowing downwards on the interior surface of a vertical evaporation tube and evaporating within a gaseous mixture of methylamine and hydrogen flowing downwards within the tube. For the calculation of heat and mass transfer, the differential equations expressing transport of momentum, heat and mass are solved by finite-difference means using derived functions for the thermodynamic and transport properties of the liquid methylamine and the methylamine-hydrogen gas mixture. The detailed fields of velocity, temperature, concentration, entropy and enthalpy as well as overall characteristics of the evaporation process are calculated. en
heal.publisher Publ by ASME, New York, NY, United States en
heal.journalName ECOS '92 International Symposium en
dc.identifier.spage 563 en
dc.identifier.epage 569 en


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