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Request PDF | Performance assessment and optimization of liquid desiccant dehumidifier system using intelligent models and integration with solar dryer | Realistic performance predictions are
The driving force of water vapor. Water potential is the driving force for water vapor movement in this system (Lee and Ozaki 2020).The water potential is a thermodynamic energy, which is an application of chemical potential to water, defined as Gibbs free energy per mole (kJ/kg) (Ozaki et al. 2001).As with chemical potential, in a non-equilibrium state, water
In our previous research, the basic principles of the intelligent passive dehumidification and solar collection (PDSC) envelope system were outlined using thermodynamic potential theory (Lee et al
With the aim of establishing a zero-energy housing (ZEH), an intelligent envelope system composed of a passive dehumidification and solar collection system (PDSC system) based on thermodynamic
Based on the technology of ECU, the LiCl liquid dehumidification (LLD) system is also proposed and developed to lower the humidity of air. Elhelw proposed a solar-driven LLD system and found the proposed system could save 30.28 % of energy per year . Low et al. designed a cascade solar thermal system combined LLD system. They found
The solar-driven hollow fiber membrane dehumidification (SHFMD) system is a renewable, energy-saving, and highly effective dehumidification system. It provides an effective solution to the problem of air-entrained liquid droplets during the traditional solution dehumidification process. The system''s mathematical model was established and the reliability
Whereas the use of a water-side free cooling system , solar thermal system , or waste heat source from a combined heat and power system would be a good choice for saving energy in
The thermodynamic-potential-based fundamental principle of the intelligent skin system, which performs passive dehumidification and solar collection, was explained based on non-equivalent
To further reduce the electricity consumption, Chen et al. developed a solar-assisted system composing of a liquid desiccant dehumidifier (LDD), a liquid desiccant regenerator, a solar collector system and a regenerative indirect evaporative cooling (RIEC) system, as show in Fig. 14. The latent and sensible load of the fresh air was handled by the
Solar evacuated tube collectors are one of the most common solar water heaters that have been used widely in recent years, which are commonly used in the solar domestic systems . These collectors include two concentric tubes and an annular vacuum space that prevents heat conduction and convection inside the glasses tube . This collector
In this paper, we propose an intelligent building skin system that can perform passive dehumidification and radiative cooling in summer and solar heat collection and humidity control in winter using air circulation in the roof ventilation layer and utilizing solar heat. A highly
Experimental studies and simulation analysis were conducted to assess the hygrothermal performance of intelligent roof systems, which perform passive dehumidification in summer and solar heat collection in winter by air circulation through the roof ventilation layer to reduce sensible and latent heat load using solar heat.
The thermodynamic-potential-based fundamental principle of the intelligent skin system, which performs passive dehumidification and solar collection, was explained based on non-equivalent
The thermodynamic-potential-based fundamental principle of the intelligent skin system, which performs passive dehumidification and solar collection, was explained based on non-equivalent thermodynamics. The performance characteristics of temperature and humidity fluctuations of the intelligent roof were experimentally and numerically demonstrated.
† Liquid desiccant dehumidifiers integrated with evaporative coolers are discussed. † LD dehumidifier integrated with evaporative cooler is an energy-efficient alternative in hot and humid areas. † DEVap system saves 2% to 3% of the annual energy. † The use of an LD dehumidifier in conjunction with an M-cycle IEC increases dehumidification.
Discover pros and cons of solar powered dehumidifiers and Solar Generators for Dehumidifiers. Explore the power of the sun to combat moisture and keep your Notably, solar powered dehumidifiers also can be equipped with energy storage systems, enabling uninterrupted operation even during periods of limited sunlight. While their common goal
Realistic performance predictions are necessary to control the liquid desiccant dehumidification systems effectively. In the present study, the application of artificial intelligence (AI) based artificial neural network (ANN), gene expression program (GEP) and adaptive neuro-fuzzy inference system (ANFIS) is investigated to estimate the dehumidifier effectiveness of desiccant
The work deals with the design and the functioning simulation of a novel solar air-conditioning system. The new design of the system is developed with two key stages: multi-bed dehumidifier system that ensures a regular dehumidification, and an adsorption chiller that increases the energetic performance of the system. Three operation modes (summer with
Long-term operation of Ring Main Unit (RMU) in humid condensation environment will shorten the life of the equipment, and the insulation strength will decrease, resulting in discharging,
Developments in liquid desiccant dehumidification system integrated with evaporative cooling technology 2 April 2021 | International Journal of Energy Research, Vol. 46, No. 1 Liquid Desiccant Air Conditioning Using Single Storage Solution Tank, Evaporative Cooling, and Marquise-Shaped Solar Collector
The solar and waste heat-powered humidification-dehumidification (HDH) desalination systems are gaining much significance owing to the alarming effects of global warming and water scarcity.
materials and system conditions. INTELLIGENT ROOF SYSTEM The intelligent roof system enables the reduction of latent and sensible heat loads 𝜇by passive dehumidification and nighttime radiative cooling in the summer, and the solar collection of heat using renewable energy on the roof in the winter. Figure 1 shows the functions included in
Power Optimal Matching and Humidity Intelligent Control of Ring Main Unit Dehumidification System Authors : Yong Yang, Yinmei Ding, Yinchao Wang, Chunbin Gong, Fuchun Chen,
An intelligent housing envelope system that was capable of passive dehumidification and radiative cooling in summer, solar heat collection, and humidity control in winter, was developed (PDSC system:
An intelligent housing envelope system that was capable of passive dehumidification and radiative cooling in summer, solar heat collection, and humidity control in winter, was developed (PDSC system: Expand
composed of a passive dehumidification and solar collection system (PDSC system) based on thermodynamic energy theory and an energy recovery ventilation (ERV) unit has been developed, This study proposes an intelligent envelope system, which is a combination of a passive dehumidification and solar collection (PDSC) sy stem and energy
The thermodynamic-potential-based fundamental principle of the intelligent skin system, which performs passive dehumidification and solar collection, was explained based on non-equivalent
Our research group originally developed an intelligent passive dehumidification and solar collection (PDSC) system that uses thermodynamic potential energy (water potential ) to drive moisture transfer, that is, to release moisture during
On the other hand, CACs may not be able to meet the energy requirement of NZEBs when dehumidification is in high demand. Therefore, in this paper, a novel hybrid system, which featured solar panel, a multi-evaporator and multi-condenser heat pump, and a desiccant wheel, i.e., the SHDW system was proposed.