Liquid desiccant air-conditioning (

Liquid desiccant air-conditioning (LDAC) system, which consists of a liquid desiccant ventilation system
for dehumidification and an air-handling unit for cooling, has become a promising alternative for conventional
technology. To evaluate its feasibility and applicability, the simulation of solar-assisted LDAC
(SLDAC) in commercial buildings in five cities of four main climate regions were conducted, including
Singapore in Tropical, Houston and Beijing in Temperate, Boulder in Arid and Los Angeles in Mediterranean.
Results showed that the system’s performance was seriously affected by the ratios of building’s
sensible and latent cooling load. For buildings located in humid areas with low sensible-total heat ratio
(SHR), the electricity energy reduction of SLDAC was high, about 450 MW h in Houston and Singapore,
which accounted for 40% of the total energy consumption in cooling seasons. The cost payback period
was as short as approximately 7 years. The main reason is that the energy required for handling the moisture
could be saved by liquid desiccant dehumidification, and the regeneration heat could be covered by
solar collectors. For buildings in dry climate with high SHR, the total cooling load was low, but up to 45%
electricity of AC system could be saved in Boulder because the chiller COP could be significantly improved
during more than 70% operation time. The cost payback period was around 22 years, which was acceptable.
However, for the buildings with mild SHR, such as those in Beijing and Los Angeles, the application
of SLDAC was not that suitable, in which the electricity energy saved only around 100 MW h and the cost
payback period was more than 30 years. The minimum installation area of solar collector should also be
fulfilled, or the system would even consume more energy than the conventional ones. It can be concluded
that the SLDAC performed best in humid areas and worst in locations with the mild outdoor humidity

ผลลัพธ์ (อังกฤษ) 2:

Liquid desiccant Air-conditioning (LDAC) System, which consists of a Ventilation System Liquid desiccant
dehumidification and for an Air-Handling UNIT for cooling, has a promising Become conventional for Alternative
Technology. To evaluate its feasibility and applicability, the Simulation of Solar-Assisted LDAC
(SLDAC) in Commercial Buildings in Five Cities of Four Main Climate Regions were conducted, including
Singapore in Tropical, Houston and Beijing in Temperate, Boulder in Arid and Los Angeles in Mediterranean. .
Results Showed that the System's Performance was seriously affected by the ratios of Building's
Sensible and latent cooling Load. Buildings located in areas with low Humid for Sensible-total heat ratio
(SHR), the Electricity Energy Reduction of SLDAC was High, About 450 MW H in Houston and Singapore,
which accounted for 40% of the total Energy consumption in cooling Seasons. The cost payback period
was as short as approximately 7 years. The Main Reason is that the Energy required for the Handling Moisture
Liquid desiccant dehumidification could be Saved by, and the regeneration heat could be covered by
Solar Collectors. Dry Climate for Buildings in High with SHR, the total cooling Load was low, but up to 45%
of AC Electricity System could be Saved in Boulder because the chiller COP could be significantly improved
during more than 70% Operation time. The cost payback period was Around 22 years, which was acceptable.
However, for the Buildings with Mild SHR, such as those in Beijing and Los Angeles, the Application
of SLDAC was not that Suitable, in which the Electricity Energy Saved only Around 100 MW. H cost and the
payback period was more than 30 years. Minimum Area of the Installation Solar collector should also be
fulfilled, or the System would Consume even more than the conventional Energy Ones. It Can be concluded
that the SLDAC performed in Humid Best and worst areas in outdoor locations with the Mild humidity.

ผลลัพธ์ (อังกฤษ) 3:

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