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

Kouremenos, DA; Rogdakis, ED; Antonopoulos, KA; Stegou-Sagia, A

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