Long-Ai Zhang’s scientific contributions

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Publications (1)


Fig. 1. Description for the proposed liquid desiccant air-conditioning system.
Fig. 2. Simulation results for several important state points of air and solution.
Fig. 3. The effects of the inlet solution temperature to the regenerator on the performance of the liquid desiccant air-conditioning system.
Fig. 6. The effects of the ambient air temperature on the performance of the liquid desiccant air-conditioning system.
Fig. 7. The effects of the ambient air relative humidity on the performance of the liquid desiccant air-conditioning system.
Simulation and analysis of a novel liquid desiccant air-conditioning system
  • Article
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August 2009

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490 Reads

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83 Citations

Applied Thermal Engineering

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Cheng-Qin Ren

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Long-Ai Zhang

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Jian-Wei Shao

In this work a novel energy efficient air-conditioning system utilizing lithium chloride (LiCl) solution as liquid desiccant has been proposed and simulated. The simulation of this system is mainly formulated with two packed columns, one for regenerating the weak desiccant and the other for the dehumidification of ambient air. The air is first dehumidified in the dehumidifier and then sensibly cooled in the indirect and direct evaporative coolers. First and second laws of thermodynamics have been used to analyze the effect of five key variables on the performance of the system. High efficiency could be achieved if proper values of these variables are selected.

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Citations (1)


... A generic single stage LDAC system consists of a regenerator, dehumidifier, evaporative cooler, and heat exchangers as shown in figure 1.The design of LDAC components are prepared based on the simulation calculations from the literature [14], [15]. The mathematical formulation of LDAC components is based on energy conservation principle [16], [17] and correlation based analysis [15]. Some of the approaches provided in the literature concerning the modelling of heat and mass transfer processes in LDAC systems in the present work includes NTU methods [18]. ...

Reference:

Experimental Investigation of a Low-Cost Liquid Desiccant based Air Conditioning System for Tropical Climatic Conditions
Simulation and analysis of a novel liquid desiccant air-conditioning system

Applied Thermal Engineering