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This study represents the development of a mathematical model for a newly proposed Absorption-based Liquid Desiccant Regeneration (ALDR) system operating in vacuum condition. The dynamic model is developed based on the internal and external enthalpy balances and mass balances in generator and condenser in the ALDR system. The relevant governing equations are developed and the dynamic operation is...
In this paper, a hybrid dynamic model of de-humidifier is proposed to predict heat and mass transfer process in packed-bed liquid desiccant dehumidification system. Based on the heat and mass balance principles, and using lumped parameters method, two difference equations with seven parameters for predict the outlet air temperature and humidity ratio are derived. The unknown model parameters are identified...
Hybrid model is a simple and accurate model for stable heat transfer process. Its theoretical basis shows that it is inappropriate to be applied to system with severe coefficient drifting. However, coefficient drifting is normal phenomenon in power and chemical industrial due to fouling. In this paper, a modified hybrid model of heat exchanger is proposed. The derivation of system is based on heat...
In this paper, a simple, yet accurate hybrid modeling technique for condensers is presented. The method starts with fundamental physical principles but captures only few key operational characteristic parameters to predict the system performances. The advantages of the methods lie that linear or non-linear least squares methods can be used to determine those key operational characteristic parameters...
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