Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"Absorption chiller"”.
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Economic analysis of solar assisted absorption chiller for a commercial building
… space. In order to cool the building, the absorption chiller is commonly employed that requires hot water at high temperatures for its operation. This thesis deals with economic analysis of solar collector and absorption cooling system to meet the building loads of a commercial building …
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Second law analysis and the application of the efficient power criterion to a four-temperature-level absorption chiller
Absorption chillers are a good option for air-conditioning applications and can be operated by low grade energy which makes them environmentally friendly. Common absorption chillers have four main internal components (generator, evaporator, condenser and absorber) and operate between four …
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Development of an energy storage tank model
… water storage tank with a solar collector and an absorption chiller to cool a building in the summer, the second using a molten salt storage system with a solar collector and steam power plant to generate electricity. Recommendations for further study as well as all of the source code generated in …
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STUDYING THE PERFORMANCE OF A QUAD-GENERATION SYSTEM WITH STORAGE FOR IMPROVED ENERGY EFFICIENCY
… supply system, a hot water tank, a single-effect absorption chiller, an adsorption chiller, a solid desiccant coated heat exchanger dehumidifier, an indirect evaporative cooler, and a cooling tower constitute the main components of the Quad-generation system. The proposed system is able to produce …
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Modeling, analysis and optimization of integrated energy systems for multigeneration purposes
… heat recovery steam generator, a single effect absorption chiller, a domestic water heater, an ejector cooling system and PEM electrolyzer. This proposed multigeneration system can produce electricity, heating, cooling, hot water and hydrogen simultaneously. The overall exergy efficiency of the …
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The architectural impact of using ground-source heat pumps in commercial buildings in Las Vegas
… of heat disposal such as a cooling tower or absorption chiller may not be the most suitable HVAC system type for commercial office buildings in Las Vegas. (Abstract shortened by UMI.).
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Use of PV/T panels to meet the building loads of light commercialized buildings
… high temperature can be sufficient to power the absorption chiller. Based on the results of the computer simulations using hourly weather data, it is found that the proposed system is very effective in meeting the building loads and the estimated value of the payback period (4.62 years) is …
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Feasibility of fuel cell systems for building applications
… MCFC, in baseload operation, with and without an absorption chiller are both very attractive technologies for a DG installation at the hotel if initial capital costs are reduced. The initial capital investment of fuel cells can and should be reduced, either by government and/or utility incentives …
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Theoretical aspects of sorption refrigeration using organic compounds
… refrigerator, which encompasses both absorption and adsorption refrigerators. It has advantages of being silent, having no compressor, lasting a long life cycle, and utilising waste heat or solar energy. In this work, the development of sorption refrigerators is outlined, and as a part …
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Analysis, assessment and optimization of integrated solar energy systems for multigeneration
… a reverse osmosis water desalination unit and absorption chiller system and providing domestic hot water. The third main system is based on heliostat solar system integrated with steam turbine for multigeneration purposes. The system produces cooling, heating, fresh water and hydrogen through …
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Conceptual development and analysis of sustainable powering options for hybrid vehicles
… turbine, TEG, organic Rankine cycle (ORC) and absorption chiller are found to be 32.3% and 29.2% respectively.
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Modeling and multi-objective optimization of a photovoltaic-thermal based multigeneration system
… is also coupled with quadruple ammonia water absorption chiller. A part of the net electricity is used a PEM electrolyzer which produces hydrogen. So, using a single heat source, four useful commodities are produced, namely electricity, hot water, cooling, and hydrogen. An integrated thermal …
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Solar-assisted sorption-enhanced gasification of polyethylene terephthalate (PET) plastic waste - Experimentation and process modelling
… with a steam power plant and a LiBr-H2O absorption chiller to recover the excess heat in the process. Four journal papers were published accordingly to research tasks. Publication 1 revealed that gas yields increased significantly with the increasing temperatures, and the total tar yields …
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An integrated system of vapor-compression chiller and absorption heat pump: Experiment, modeling, and energy and economic evaluation
… Integrated System of an Integrated Compression-Absorption Subcooling System (ICASS) Based upon the principle of subcooling effect, the ICASS can improve the efficiency of the cooling device but also achieve additional useful heating sources potentially used for space heating and domestic hot …
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A THERMO-ECONOMIC STUDY OF SOLAR COOLING/HOT WATER SYSTEMS
… collector output temperature requirements for absorption cooling. The performance could be improved by incorporating a water heating loop in the basic cooling system so that the collectors could be utilised for hot water production during such "idle" periods. Commercial applications for such …
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Development, analysis and performance assessment of net zero energy house systems.
… power to the house, while solar panels power absorption and liquid desiccant systems which provide air-conditioning and fresh water. Hot water is produced by solar heat, photovoltaic thermal system (PV/T) and from a ground thermal storage, where hot water from solar panels passes through …