Characteristics of a gravity-assisted heat pipe-based heat exchanger |
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| Affiliation: | 1. Faculty of Technology, Karabuk University, TR-78050, Karabuk, Turkey;2. Faculty of Engineering, Marmara University, İstanbul, Turkey;3. Faculty of Engineering, Karabuk University, TR-78050, Karabuk, Turkey |
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| Abstract: | An experimental study of the performance of an air-to-air thermosyphon-based heat exchanger utilizing R-22 as the working fluid has been carried out to investigate its behavior under different operating conditions. A test installation has been developed to model a variety of HVAC real life applications. The results reported in this article describe the influence of various parameters such as: supply and exhaust air stream mass flow rates, stream temperatures and exhaust stream moisture content on the effectiveness of the heat exchangers. Heat exchanger heat flow hysteresis has been recognized. Some optimization criteria are presented. |
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