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Industrial ecology seeks options to lessen the environmental impact of industrial systems, through reducing natural resource use and waste generation, and by emulating the cycles that are utilized in ecosystems and nature. Design facets of energy selection and energy efficiency, which are key parts of Design for Environment and thus important considerations in industrial ecology, are described. The...
One method of creating economic and environmentally advantageous heating systems is through the use of renewable and alternative heat sources. These are often intermittent and availability for immediate use is sometimes limited. This limitation can be reduced with seasonal thermal energy storage systems. An approach to analyze and compare performance, economic, and environmental aspects of various...
This paper uses a multi-objective optimization approach to assess building energy performance for residential homes in the Bahamas with the goal of providing objective data to policymakers to help achieve the country's sustainability goals. A non-sorting genetic algorithm (NSGA-II) is used to find optimal solutions to building design configurations such as wall types, insulation thickness, insulation...
The utilization of hybrid energy systems comprised of wind, photovoltaic, biomass, and geothermal technologies is growing, mainly as a result of increasing concerns about the environmental impacts caused by fossil fuels. The economic feasibility is examined here of using hybrid systems to supply the energy needs for a household in Tehran, Iran. Wind-photovoltaic-diesel hybrid systems are considered...
In practice, there are some conditions, depending on space availability, economics, project requirements, insulation, storing media type and other issues, for which it may be advantageous to utilize several thermal energy storages (TESs) instead of one in thermal networks like district energy systems. Here, various configurations for multiple TESs are proposed and investigated. Significant parameters...
This paper examines heat recovery in a thermochemical Cu-Cl cycle for efficient hydrogen production. It is essential to recover heat within the Cu-Cl cycle to improve the overall thermal efficiency of the cycle. A major portion of heat recovery can be achieved by cooling and solidifying the molten salt exiting an oxygen reactor. Heat recovery from the molten salt is achieved by dispersing the molten...
Widespread application of plug-in hybrid electric vehicles (PHEVs) as an important part of smart grids requires drivers and power grid constraints to be satisfied simultaneously. We address these two challenges with the presence of renewable energy and charging rate optimization in the current paper. First optimal sizing and siting for installation of a distributed generation (DG) system is performed...
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