The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON HEAT AND MASS TRANSFER
Transactions ID Number: 29-563
Full Name: Marek Balas
Position: Ph.D. Candidate
Age: ON
Sex: Male
Address: Technicka 2
Country: CZECH REPUBLIC
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E-mail address: balas.m@fme.vutbr.cz
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Title of the Paper: Working Characteristics of Small-scale Absorption Unit with Two cylinder Design
Authors as they appear in the Paper: Jiri Pospisil, Marek Balas, Miroslav Baxa, Zdenek Fortelny
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Number of paper pages: 10
Abstract: This contribution presents operation of the small-scale absorption units with focus on working stability of the operating parameters. The contribution discuses the long-term operation of LiBr-H2O absorption units with consideration of corrosion, slit forming processes and production of incondensable gases. The one-stage experimental absorption chiller with exactly same design of desorber-condenser and absorber-evaporator was build up at the Brno University of Technology in 2008. This experimental absorption unit operates with LiBr-H2O working pair. Design of the unit keeps two-cylinder conception, which is common for large-scale absorption units. Heat transfer between the working fluid and the heating/cooling water is realized with utilizing of falling film cooper pipe registers. The cooling capacity of the absorption chiller was designed 6 kW on temperature level 9 °C. The contribution introduces design of the one-stage experimental absorption unit, building, oper!
ation experiences and the results of a carried out measurements. The measurements were focused on assessment of heat transfer on the falling film tube bundles and the entire COP evaluation. Four independent pumps enabled to test the influence of a flow rate change in different loops of the absorption unit.
Keywords: absorption unit, falling film, heat transfer, working stability, tube bundle
EXTENSION of the file: .pdf
Special (Invited) Session: One stage absorption cooling cycle with falling film smooth tube bundles
Organizer of the Session: 624-229
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