In-Tube Condensation in the presence of air

Tanrıkut, Ali


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This study presents an optimization approach to heat exchanger network synthesis (HENS). HENs are widely used in industry and bring several fluid streams into their desired temperatures by using available heat in the process for efficient usage of energy. Our aim is to provide a network design coupled with a detailed equipment design for heat exchangers. The suggested approach involves discretization of temperatures based on heat load equalities and reformulation as a shortest-path problem, rather than deal...
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In-situ generation of poly(n-vinyl-2-pyrrolidone)-stabilized palladium(0) and ruthenium(0) nanoclusters as catalysts for hydrogen generation from the methanolysis of ammonia-borane
Erdoğan, Huriye; Özkar, Saim; Department of Chemistry (2010)
More attention has been paid to find new type renewable energy sources because of increasing concern about the environmental problems arising from the combustion of fossil fuels as energy sources. The development of new storage materials will facilitate the use of hydrogen as a major energy carrier. Several possibilities exist for ‘‘solid-state’’ storage: the hydrogen can be trapped in metal organic frameworks, carbon nanotubes and certain alloys; or one can use materials in which hydrogen is already presen...
Performance of rectangular fins on a vertical base in free convection heat transfer
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The steady-state natural convection heat transfer from vertical rectangular fins extending perpendicularly from vertical rectangular base was investigated experimentally. The effects of geometric parameters and base-to-ambient temperature difference on the heat transfer performance of fin arrays were observed and the optimum fin separation values were determined. Two similar experimental set-ups were employed during experiments in order to take measurements from 30 different fin configurations having fin le...
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Citation Formats
A. Tanrıkut, “In-Tube Condensation in the presence of air,” Ph.D. - Doctoral Program, Middle East Technical University, 1998.