A Simulation and Design of a Device for Harvesting Water From Air
Corressponding author's email:
17147004@student.hcmute.edu.vnDOI:
https://doi.org/10.54644/jte.2024.1429Keywords:
Harvesting water from air, Simulation of thermal exchanger, Air conditioner, Efficiency of energy, Condenser of water vaporAbstract
In this study, a simulation and a design of a system that is used to harvest water from the air are introduced in detail. In this system, the air is guided to the condenser chamber through an air filter (including pre-filter, HEPA filter H13, and activated carbon filter layer) to clean up the air before condensing. This clean airflow is contacted by the coil of the evaporator consisting of the surface of the coils with the fins. The heat exchange process between the airflow and the cooling coil of a single-stage refrigeration system will be simulated from which to calculate the characteristic parameters of the inlet and outlet of the airflow. The airflow characteristics are used to calculate the amount of condensable water in the system. The calculation of affecting the condensate output is investigated. The system is then designed, installed, and measured in practice. The results show that at a flow rate of 400 m3/h, the output water capacity is 5.5 l/h with a stable humidity of about 81 %.
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