A Systematic study to investigate the effect of concentration on flow boiling heat transfer characterisics in water ethylene glycol system

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dc.contributor.advisor Kandlikar, S.
dc.contributor.advisor Ghosh, A.
dc.contributor.advisor Nye, A.
dc.contributor.author Bulut, Murat
dc.date.accessioned 2010-07-26T19:46:01Z
dc.date.available 2010-07-26T19:46:01Z
dc.date.issued 1999-03
dc.identifier.uri http://hdl.handle.net/1850/12357
dc.description.abstract Mixtures of ethylene glycol and water are employed in cooling engines in automotive applications. To avoid two-phase flow in the engine, the mixture is subcooled in the radiator before entering the engine block. Heat transfer is therefore essentially under subcooled flow boiling conditions. Very little information is available in the literature on the subcooled flow boiling (flow boiling with subcooled liquid) characteristics of this mixture and there are no predictive methods established in this region. In the present investigation heat transfer in the nucleate flow boiling of dilute aqueous binary mixtures was measured and experimental data were compared with available correlating methods developed for binary mixtures. The concentration range from pure water to 40 percent ethylene glycol solution is tested under these conditions. Eighteen different concentrations have been investigated. Liquids were boiled at atmospheric pressure on a rectangular flow channel. The experimental set up consists of a 9.5 mm circular heater placed on the lower wall of a 3 mm x 40 mm horizontal channel. The results indicate that increasing the concentration of ethylene-glycol in water deteriorates the heat transfer coefficients as compared to the case of pure water at the same wall superheat. en_US
dc.language.iso en_US en_US
dc.subject Mechanical engineering en_US
dc.subject.lcc QC320 .B85 1999
dc.subject.lcsh Ethylene glycol en_US
dc.subject.lcsh Heat--Transmission en_US
dc.subject.lcsh Automobiles--Motors--Cooling en_US
dc.title A Systematic study to investigate the effect of concentration on flow boiling heat transfer characterisics in water ethylene glycol system en_US
dc.type Thesis en_US
dc.description.college Kate Gleason College of Engineering en_US
dc.description.department Department of Mechanical Engineering en_US

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