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Performance evaluation of a solar absorption refrigerator with dynamic simulation

机译:动态模拟的太阳能吸收式制冷机性能评估

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This contribution deals with the theoretical study in dynamic mode of an absorption refrigerator endoreversible model. The system is a cold generating station driven by solar energy. The main elements of the cycle are a refrigerated space, an absorption refrigerator and a solar collector form. A simplified mathematical model, which combines fundamental and empirical correlations, and principles of classical thermodynamics and heat transfer, is developed. The proposed endoreversible model is then utilized to simulate numerically the system transient and steady state response under different operating and design conditions. In order to obtain a fixed temperature in the cold room in a minimal lapse of time, the determination of the command necessary heat flow is based on the energy balances. Compared to the collector efficiency, the collector temperature presents major influence on the conceptual and functional characteristics.
机译:这一贡献与吸收式冰箱内可逆模型的动态模式下的理论研究有关。该系统是由太阳能驱动的冷电站。循环的主要元素是冷藏空间,吸收式制冷机和太阳能收集器。建立了简化的数学模型,该模型结合了基本和经验的相关性以及经典的热力学和传热原理。然后,利用所提出的内可逆模型对不同操作和设计条件下的系统瞬态和稳态响应进行数值模拟。为了在最短的时间间隔内在冷藏室中获得固定的温度,基于能量平衡确定必要的热流指令。与收集器效率相比,收集器温度对概念和功能特性有重大影响。

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