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Feasibility Study And Design Of Natual Dehumidification Method Using Desiccant For Model House
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Book Synopsis FeasibIlity Study and Design of Natual Dehumidification Method Using Desiccant for Model House by : Mohammed Amirul Faeez Bin Norazmi
Download or read book FeasibIlity Study and Design of Natual Dehumidification Method Using Desiccant for Model House written by Mohammed Amirul Faeez Bin Norazmi and published by . This book was released on 2016 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: This case or research is feasibility study and design of natural dehumidification method using desiccant for model house. Desiccant dehumidification is function to improvise the nowadays heating, ventilation and air conditioning (HVAC) industry became well. Desiccant dehumidification cooling system improvise and increase the performance of vapour compression system that use in coventation air conditioning.The desiccaent dehumidification system have two type which is solod and liquid desiccant cooling system. Desiccant dehumidifier based evaporative coolers can reduce air conitioning operation cost because since the energy need to power the desiccant cooling system is small and the source of this required acn be renewable (solar energy, waste heat, natural gas). This technology become increase attractive due to its high effcient used of low-grade energy and its effectiveness in dehumidification that cause energy efficaiency of air conditionning increased .The equation is used to calculate the data for psychrometric condition and then analyse th data to plot the graph to show the result of our caculation.
Book Synopsis Feasibility Study of Liquid Desiccant Dehumidification System Applied in Hong Kong by : Chiu Ting Wong
Download or read book Feasibility Study of Liquid Desiccant Dehumidification System Applied in Hong Kong written by Chiu Ting Wong and published by . This book was released on 2018 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Desiccant Dehumidification by : Vivekh Prabakaran
Download or read book Advances in Desiccant Dehumidification written by Vivekh Prabakaran and published by Springer Nature. This book was released on 2021-07-21 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book systematically analyses state-of-the-art technology and research related to desiccant dehumidification. It provides key insights into the current research direction, and presents global research and development interests. It begins by offering a comprehensive review of conventional desiccants and their underlying engineering challenges. Fundamental material characteristic properties and factors critical to the desiccant synthesis are highlighted. The applicability of next-generation advanced materials to address the challenges is documented, and the advantages of desiccant coated heat exchangers are evaluated. Lastly, the potential applications of desiccant dehumidifiers in various energy-connected applications are discussed, and case studies on industrial/building cooling systems are provided. Specifically targeted at HVAC engineers, thermal scientists, energy-engineering researchers, and graduate-level students in the field, the technical content balances fundamental concepts and applications.
Book Synopsis Handbook of Dehumidification Technology by : G.W. Brundrett
Download or read book Handbook of Dehumidification Technology written by G.W. Brundrett and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Dehumidification Technology is a handbook of dehumidifiers and how they work. This manual describes the principles of dehumidification and looks at the domestic and industrial applications of dehumidifiers, along with design considerations for refrigerant dehumidifiers. The use of dehumidification in swimming pools and for food and flower storage is also discussed. This reference guide is comprised of 11 chapters and begins with an introduction to dehumidification, paying particular attention to how it addresses the problems created by high water vapor content in air. The historical development of air drying and the use of psychrometric charts to describe the state of damp air as well as to illustrate ways of lowering the relative humidity of moist air are also considered. The next chapter presents three methods of removing moisture from air: sorbent dehumidification, refrigerant dehumidification, and air-cycle dehumidification. The reader is also introduced to design considerations for refrigerant dehumidifiers, domestic applications of dehumidifiers, installation of dehumidifiers in a swimming pool, and industrial dehumidification. The final chapter is devoted to additional sources of information on dehumidifiers and dehumidification, including journals, professional bodies, and research. This monograph will be a valuable resource for technicians and others interested in humidity control.
Book Synopsis Desiccant Dehumidification Analysis by : Hai-Yun Helen Xing
Download or read book Desiccant Dehumidification Analysis written by Hai-Yun Helen Xing and published by . This book was released on 2000 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Desiccant dehumidification has been given increasing interest in the air conditioning industry. Compared with conventional vapor compression air conditioning systems, desiccant dehumidification saves energy by separating humidity control from temperature control and also improves the indoor air quality as a good filter. This research explores the potential of applying desiccant dehumidification systems in buildings with less energy consumption. As the first step, the adsorption mechanism is explored and desiccant material properties are obtained based on a literature review. The heat and mass transfer in the desiccant - moist air system is well understood and modeled using both pseudo-gas-side controlled (PGC) transfer coefficients and semi-infinite transfer coefficients. Compared with experimental data, the model well predicts single processes while the prediction for cyclic processes is acceptable for practical applications. This model provides a useful tool for two purposes: analysis of desiccant unit 's performances and optimization of the design and operations of a unit. Based on the semi-infinite body theory, the semi-infinite model provides a way to simplify the solid-side diffusion resistance. A temperature control strategy is proposed to improve the mass transfer efficiency. A design in which the desiccant temperature is controlled in sections is tested using the model developed before. Simulations show that temperature control enhances mass transfer. Using the model, parametric analysis is conducted on a temperature-control led packed-bed desiccant unit. The effects on dehumidification performances of processing air mass flow rate, regeneration temperature and cycle time are studied. Parametric analysis gains insight into the correlations and interactions between different operation parameters. Three criteria are put forward to evaluate the performances of a desiccant dehumidification system for building applications: adsorption rate, average outlet air parameters and energy consumption. A systematic way is proposed to size a desiccant unit and optimize its operations by using the model developed before. In a case study a desiccant unit is designed for a two-people room in Shanghai for ventilation purposes and the unit's operations are optimized. The design results show that desiccant dehumidification can be used in building applications, provided appropriate operation parameters are adopted. The yearly operations of a desiccant dehumidification system are proposed.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 1104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1682 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Characterisation of Coupled Heat and Mass Transfer in the Packed-type Liquid Desiccant Dehumidifier by : Lingshi Wang
Download or read book Dynamic Characterisation of Coupled Heat and Mass Transfer in the Packed-type Liquid Desiccant Dehumidifier written by Lingshi Wang and published by . This book was released on 2017 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Secondly, experimental studies on the dehumidification performance of a compact liquid desiccant dehumidifier using structured packing with a high specific surface area (650 m2/m3) are conducted. New empirical equations correlating the moisture effectiveness and the enthalpy effectiveness as well as the heat and mass transfer coefficients with critical inlet parameters are developed. Lewis number during the dehumidification process is also discussed to analyze the coupled heat and mass transfer characteristics. The performance of the present type of packing is compared with other types of packing studied in literature. Besides, the influences of the inlet conditions of the air and the desiccant as well as the packing height on the dehumidification performance are also investigated and compared with the results reported in previous studies, which is valuable for the design of compact liquid desiccant dehumidifiers. Thirdly, the dynamic heat and mass transfer characteristics of a counter-flow packed-type liquid desiccant dehumidifier are studied experimentally. Two types of transient working conditions are tested in experiments: at the beginning of a dehumidification process (by two different scenarios) and the step changes of inlet fluids parameters (inlet air humidity ratio and the solution flow rate). Dynamic responses of the outlet air and desiccant solution as well as dynamic moisture removal rate are displayed and discussed. Fourthly, a simplified one-dimensional dynamic model is also developed for simulating the dynamic characteristics of the counter flow packed-type liquid desiccant dehumidifier. Convenient approaches to quantifying the thermal mass of the packing and the desiccant solution held in the dehumidifier are proposed, which are essential parameters of the dynamic model. Numerical solution for the proposed model is developed. The model is tested and validated experimentally under different transient operating conditions. Finally, the dynamic characteristics of the dehumidifier are investigated by parameter analysis method. Time constants of the dynamic humidity and temperature of outlet air are introduced to evaluate the dynamic response of the dehumidifier. The influences of two operation parameters (i.e. the air flow rate and the solution flow rate) and one configuration parameter (i.e. the height of the packing) on the time constants are analyzed experimentally. Besides, the influences of thermal mass of the dehumidifier on the time constants are also analyzed using the proposed dynamic model.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development Publisher : ISBN 13 : Total Pages :1944 pages Book Rating :4.:/5 (42 download)
Book Synopsis Energy and Water Development Appropriations for 1985 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Download or read book Energy and Water Development Appropriations for 1985 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1984 with total page 1944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solar Energy Update written by and published by . This book was released on 1982 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Information Abstracts written by and published by . This book was released on 1983 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Energy: a Continuing Bibliography with Indexes by :
Download or read book Energy: a Continuing Bibliography with Indexes written by and published by . This book was released on 1978 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on 1983 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solar Energy and Nonfossil Fuel Research by :
Download or read book Solar Energy and Nonfossil Fuel Research written by and published by . This book was released on 1980 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Miscellaneous Publication written by and published by . This book was released on 1981 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Progressive Architecture written by and published by . This book was released on 1982 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt:
