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Simulation and Design of a Finned tube air cooled condenser used in absorption refrigeration systems | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 14, Volume 19, Issue 4, 2011, Pages 89-98 PDF (0 K) | ||
| DOI: 10.33899/rengj.2011.26780 | ||
| Author | ||
| Firas Salah Yahia Al-Khayatt | ||
| Abstract | ||
| Abstract Absorption refrigeration systems(ARS) reduce the consumed energy comparing with the compression refrigeration systems. The (ARS) need the thermal energy for its work which can be provided from alternate and different sources such as solar energy, waste heat from industrial processes or from other resources. So one must focus on the small (ARS) for the purposes of air conditioning for houses and small buildings which use air-cooled condensers instead of water cooled condensers to eliminating the cooling tower. Thus, in this study a new model of an air cooled condenser is suggested which consisting of cylindrical tubes in staggered triangular arrangement with radial fins of rectangular profile. In this study, a model is proposed using the equations of heat transfer and considering factors affecting the performance of the condenser such as number and dimension of tubes, transverse and longitudinal distances between tubes, number of fins, temperature of cooling air and temperature of the condenser. Also the study will include the design correlations for the amount of rejected heat from a condenser to an atmosphere. This model can be used in (ARS) working with (Water-Lithium Bromide) or (Ammonia-Water). | ||
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