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 20 of 34 for “"solar heating"”.
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Computer simulation and optimisation of solar heating systems for Cyprus
… of research into the modelling and simulation of solar water and space heating for Cyprus, and the investigation of the factors concerning the optimisation of such systems. Further a number of design criteria, which can be used by consultants and designers of solar heating systems, have been …
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A multifunction wall system for application with solar heating and ground cooling
Widespread public acceptance of heating and cooling systems utilizing alternative energy sources is largely dependent on their ability to replace conventional systems with no appreciable loss in comfort or convenience. Research was done to determine why current passive solar heating systems and …
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Passive solar in the city : an energy conscious design for subsidized multi-family housing development
Until now, passive solar energy has been overlooked as a viable alternative for home heating in urban subsidized housing. Rather ironically, in housing whose residents could most benefit from the use of solar energy, such concepts and technologies are not utilized. This thesis demonstrates how …
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Numerical Simulation of Thermohaline Convection in the Mixed Layer of the Ocean
<p>The intradiumal heating and cooling cycle of the mixed layer of a tropical ocean is investigated through the use of a pseudo-two-dimensional numerical model. Particular emphasis is given to two-component diffusion resulting from dynamic instabilities in the water column. The conservation …
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The efficient collection and long term storage of solar energy in the UK, using air as the working fluid
… testing and evaluation of a high performance air heating collector designed to supply heat to a communal interseasonal store, which could heat many houses all the year round in the U.K. Interseasonal storage utilizing a pebble bed was investigated but shown to be costly both in terms of money and …
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Renewable energy resource systems: a feasibility study for educational facilities applications
… resource categories examined were as follows: solar (including active and passive solar heating, cooling, ventilation and lighting, photovoltaics, and solar salt ponds), wind, hydropower, biomass, and geothermal. A good deal of the task was to describe the systems, to provide examples, to …
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A study of the transwall system as a multi-use architectural element
… McClelland, fulfills the function of a passive solar heating device as well as an architectural element the window. The significance of the transwall system, in the author's opinion, lies in its expression of technologies in an architectural way. Several directions for further development are …
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Modeling and Observational Studies of Shallow Cumulus Convection Over the Indian Ocean: Aerosol and Meteorological Effects on Diurnal Cycles
Additional solar heating induced by soot aerosols affected the static stability in the boundary layer. The vertical profile of soot aerosols had a critical influence on how they impacted cloud properties and turbulence. Changes in environmental relative humidity and the presence of a dry and stable …
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Multi-stage adsorption-based atmospheric water harvesting
… this area has demonstrated AWH driven by direct solar heating in low RH conditions (10 - 40%). However, water harvesting productivity, LMD (liters of water harvested per square meter solar receiver area per day), of these devices is limited by vapor transport in packed adsorbent layers, which …
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Off-peak summer performance enhancement for rows of fixed solar thermal collectors using reflective surfaces
… of increasing the efficiency of fixed solar thermal collectors without greatly adding to the cost or complexity of the overall solar collection system was studied. The focus was on the use of flat mirrors, which would accomplish this goal by capturing the morning sunlight during the …
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Courtyard housing, a solution for high-density, low-rise single-family housing in the U.S.
… application is explained in light of privacy and solar access issues. A detailed discussion of design elements in an L-shaped application include: inter-unit privacy issues, the courtyard size and passive solar heating applications, the dwelling layout and interior zoning, entry location, …
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Influence of environmental conditions and architectural form on the design and thermal performance of the flat-plate solar collector system.
Solar heating systems, by the nature of their design and inherent thermal mass, are sensitive to the changes in the prevailing climatic conditions. A computer program has been developed to predict and display the dynamic performance of solar water heating systems and their installation designs …
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Natural ventilation in buildings: the development of a component
… to power ventilation. Designers of passive solar heating/ cooling systems, for instance, often use ventilators in various ways as important components of their systems. Unfortunately, results with present types of ventilators are often less positive than expected. In recent wind tunnel tests …
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Four Family Houses in a College Town
… it. The southern glass wall allows for passive solar heating in the winter and takes maximum advantage of the mountain views. The remaining three walls are punctured only where necessary to bring light to the more private rooms. This focuses attention to the southern view and lessens the …
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Passive solar for urban tenement housing : case study and retrofit design for West-Berlin
Studies about residential passive solar heating have been conducted in many countries, mostly dealing with new or existing single family houses and nearly unlimited access to the sun. Only a few studies are related to residential projects that use passive solar in an urban context and must cope …
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Passive solar space heating in housing with particular reference to the Scottish climate.
… technical and economic scope for partial passive solar space heating of housing in Scotland. Initially an appraisal of current need and policy within an historical framework, established that trends towards low-rise, medium density housing with reduced maintenance costs and condensation risk, …
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The use of visual comfort metrics in the design of daylit spaces
… views to the outside, which can maximize passive solar heating, minimize electric lighting use and contribute to feelings of wellbeing and awareness. Unfortunately, the presence of daylight is not always a positive one. Excessive brightness, strong contrast or intense reflections from daylight can …
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Second law analysis and optimization of humidification-dehumidification desalination cycles
… method that has the potential to be driven using solar heating. It is a promising technology that can potentially bring safe drinking water to people of the developing world. Surprisingly, few systematic efforts have been made to find the best HD cycles or to improve and optimize existing cycles. …
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