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 11 of 11 for “"Hot-water heating"”.
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High resolution time-series modeling of domestic hot water heating systems
This thesis evaluates domestic water heating systems in conjunction with energy saving technologies such as solar water heating, drain water heat recovery, and heat pump water heating. Five dynamic models are developed using Matlab Simulink® with a time-step of one minute. Using minute resolution …
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Energy use in multi-family dwellings : measurements and methods of analysis
… no more than 105 kWh/m² annually including space heating, domestic hot water heating, common electricity and household electricity. Different building techniques and technical systems were used at the different properties. A measurement program including hourly measurements of district heating, …
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U.S. geothermal district heating : barriers and enablers
Geothermal district heating experience in the U.S. is reviewed and evaluated to explore the potential impact of utilizing this frequently undervalued renewable energy resource for space and hot water heating. Although the first U.S. geothermal district heating system (GDHS) was constructed in the …
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Development and analysis of new integrated energy systems for sustainable buildings.
… The outputs of System 1 are electricity, space heating, cooling, and hot water. The energy and exergy efficiencies of System 1 are 91.0% and 34.9%, respectively. The results of the optimisation analysis show that the net present cost of System 1 is $ 2,700,496 and that the levelised cost of …
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Urban carbon and energy analysis: calculation of energy flows and emissions from residential housing clusters and assessment of sustainable energy options
… renewable energy technologies considered were photovoltaics (PV) for electricity generation, solar thermal for domestic hot water heating and ground source heat pumps (GSHP) for space heating. For the development of the models, the transient simulation package TRNSYS was used and a residential …
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Hybrid solar thermoelectric systems utilizing thermosyphons for bottoming cycles
… promises efficient methods to meet the current heating and electricity needs. In most cases, however, current systems are limited to providing either heat or electricity only. In this thesis, we present the modeling and optimization of a new hybrid solar thermoelectric (HSTE) system which uses a …
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Potential energy cost savings by use of building roofs as thermal storage of a multi-storied building
… of concrete slabs embedded with pipes carrying hot or chilled water to meet the heating or cooling load, respectively. The water temperature drops across the coils and the frequency and intensity of room air circulation can be varied, along with controlling the gains through the windows, to …
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Design, analysis and experimental investigation of a new scroll expander based trigeneration system
… for simultaneous generation of power, heating and cooling. This integrated system combines a power and cooling cycles where the source heat is used to generate power through a scroll expander and a portion of the heat is used in an ejector cooling system. The residual heat which is …