1 edition of Development of a solar desiccant dehumidifier found in the catalog.
Development of a solar desiccant dehumidifier
1980 by The Department, Available from the National Technical Information Service in [Washington, D.C.?], Springfield, Va .
Written in English
|Statement||prepared by M.E. Gunderson ... [et al.] ; prepared for U.S. Department of Energy|
|Contributions||Gunderson, M. E, United States. Dept. of Energy, Airesearch Manufacturing Company of California|
|The Physical Object|
|Pagination||1 v. (various pagings) :|
Supplemental cooling — the air leaving the rotary heat wheel is colder than the air leaving the desiccant wheel, but further cooling is often required before it can enter the conditioned space. These systems allow converting the solar thermal energy in the form of heat into conditioned air and sometimes chilling storage water. Yi, Y. Regeneration: E-H.
Makeshift dehumidifiers[ edit ] Because window air conditioner units have condensers and expansion units, some of them can be used as makeshift dehumidifiers by sending their heat exhaust back into the same room as the cooled air, instead of the outside environment. Hence, it can offer a reduction of the consumption, the demand, and the costs of energy, without decreasing the desired comfort. Performance optimization of a regenerative brayton heat engine coupled with a parabolic dish solar collector. The effects of several geometrical and operational parameters on the system thermal and electrical performance, supply conditions, and water consumption are investigated. Research Articles Malali, P.
Energy Conversion and Management52 1 AIAA Paper, Moreover, another study analyzed the energy performance of a solar air-conditioning office building that maximum monthly consumes about kWh [ 12 ]. The direct or indirect heaters used for reactivation can supply comfort heating, and the heat wheel can be used to recover energy all year. Overview[ edit ] Dehumidifiers extract water from air that passes through the unit. The annual average COP of the absorption chiller, which is a water-cooled double-effect chiller, can reach 1.
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Desiccant systems save energy by using low-grade thermal sources to remove moisture from the air, and to eliminate the overcooling and reheat step necessary in certain conventional vapor-compression cooling systems.
The simulation results showed that the COP reached 0. Boregowda, Tiwari, and Chaturvedi, S. Furthermore, these plants and their performance are closely linked to the climatic conditions especially solar irradiance of the regions where they are installed.
Effectiveness—NTU relation for packed bed liquid desiccant—air contact systems with a double film model for heat and mass transfer.
In this process, the hot and dry outdoor air cools down, and the cold exhaust air is preheated for reactivating the desiccant wheel. Heat and mass transfer in liquid desiccant air-conditioning process at low flow conditions. The results obtained showed that the solar system with a thermal COP equal to 0.
Aziz, Chaturvedi, S. Energy and Buildings, Applied Thermal Engineering50 1 Ultrasound-Atomizing Regeneration for Liquid Desiccants. In addition, if water is condensed in the room, the amount of heat previously needed to evaporate that water also is re-released in the room the latent heat of vaporization.
Renewable Energy34 10 Jiang, K. Doan and, M. Giovanni A. This type of dehumidifier differs from a standard air conditioner in that both the evaporator and the condenser are placed in the same air path. Norfolk, Virginia: Modsim World Conference. This pre-warmed air then passes through the heat pump condenser F where it is heated by the latent energy removed during the condensation process as well as the energy input to the compressor.
The results showed that the SnS2 sample prepared with TAA had a lengthening shape, a smaller size and surface area, but a better adsorption of rhodamine B RhB. Koronaki, R. Most ice sensors are simple thermal switches and do not directly sense the presence or absence of ice buildup.
An experimental study on the dehumidification performance of a counter flow liquid desiccant dehumidifier. Experimental Thermal and Fluid Science88, The use of a good desiccant can help them dry quicker and save energy, which can be crucial for the animal's development.
Solar absorption systems The harmful effects of conventional AC systems use of environmentally unfriendly refrigerants; CO2 emission and their high primary energy consumption lead scientists to invest in clean energy resources, especially the solar energy [ 3 ]. A dynamic dehumidifier model for simulations and control of liquid desiccant hybrid air conditioning systems.
Figure 1. The core system components are a silica gel desiccant wheel and a counter-flow indirect evaporative cooler. Proceedings of 13th Intersociety Energy Conversion Conference. In addition, the crystallization process occurs that the refrigerant undergoes three-phase transformation solid: usually crystallized salt, liquid, and vapor [ 4 ].Dec 21, · GLENDALE HEIGHTS, IL — Munters Moisture Control Services (MMCS), headquartered here, introduces the MDS desiccant dehumidifier, a compact version of its successful MDS unit that is designed to provide fast and efficient drying in water-damaged buildings, short-term industrial applications, and special events.
It comes with the option of internal water tank or an included pipe to be used with a permanent external water outlet.
The current version of the Meaco DD8L represents 8 years of development of the desiccant dehumidifier and the very best domestic dehumidification technology available today. Sep 14, · Two-wheel desiccant dehumidification: Will it be cost effective for your job?
September 14, (usually at Â° or above) can be used to dry and regenerate the desiccant, including electric-resistance heaters, solar hot water coils, heat reclaim coils, and hot water or steam from boilers.
A development of design tools (such as a. This information serves to support the industrial development of the system. Ultimately, the aim is to understand if and to which extent the system is more efficient than electrically and thermally driven chiller-based systems. The core system components are a silica gel desiccant wheel and a counter-flow indirect evaporative hildebrandsguld.com: Lorenzo Bellemo.
His main areas of research interest are solar thermal power generation, high temperature particle receivers, energy conversion and management, techno-economics, water desalination, sorption, solar air conditioning, desiccant cooling, heat and mass transfer, and other topics related to the development of renewable based hildebrandsguld.com: Researcher at University of Adelaide.
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