Journal ArticleDOI
Insulation and bivalent heating system optimization: Residential housing retrofits and time-of-use tariffs for electricity
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TLDR
In this paper, a bivalent heating system can be optimized while also considering the insulation measures using a mixed integer programming model and the result is compared with a derivative optimization method used in the OPERA (optimal energy retrofit advisory) model.About:
This article is published in Applied Energy.The article was published on 1989-01-01. It has received 17 citations till now. The article focuses on the topics: Heating system & Electricity.read more
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A review of urban energy system models: Approaches, challenges and opportunities
TL;DR: In this paper, the authors propose a theoretical definition of an urban energy system model and then evaluate the state of current practice in energy system modeling, focusing on the potential of sensitivity analysis and cloud computing, data collection and integration techniques, and the use of activity-based modelling as an integrating framework.
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A review of the economical and optimum thermal insulation thickness for building applications
TL;DR: In this article, a literature review on determining the optimum thickness of the thermal insulation material in a building envelope and its effect on energy consumption was carried out, and a practical application on optimizing the insulation thickness was performed, and the effective parameters on the optimum value were investigated.
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Optimisation of insulation measures on existing buildings
TL;DR: In this paper, the authors deal with how to optimise retrofit measures, i.e. how to act in order to minimise the Life Cycle Cost (LCC) of a building.
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Cost benefits analysis and emission reductions of optimum thickness and air gaps for selected insulation materials for building walls in Maldives
TL;DR: In this article, the authors investigated potential cost savings and emission reductions achieved by installing different insulation materials of optimum thickness in building's walls and investigated the effect when air gaps are introduced in the wall.
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Energy performance optimization of existing buildings: A literature review
TL;DR: The results of the review show that in spite of numerous conducted studies, some optimization objectives such as aspects of comfort conditions, except thermal comfort, and some types of weather conditions have been neglected and there is a need for creating a novel decision-making tool reducing computational time of optimization and increasing reliability on the optimal packages.
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Journal ArticleDOI
Life-cycle cost minimization considering retrofits in multi-family residences
TL;DR: In this article, a mathematical model called OPtimal energy retrofit advisory (OPERA) has been developed to solve the problem of energy retrofitting in a building, where the life cycle cost for the building is minimal, and building envelope, ventilation and heating system retrofits are combined.
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Economic optimization and sensitivity analysis of energy requirements in residential space heating
TL;DR: In this article, an analytical model which relates performance with costs of additional insulation has been developed and the optimum set of insulation values for the various surfaces of a new building has been determined in a generalized form.
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Optimization and Design of Zone Heating Systems, Energy Conservation, and Passive Solar
Allan Kirkpatrick,C. B. Winn +1 more
TL;DR: In this article, the optimal mix of energy conservation, passive solar, and zone heating systems in residential buildings is presented. And the optimal cost fractions for energy conservation and a zone heater as a function of the initial cost constraint are presented.
CIRA economic optimization methodology
TL;DR: CIRA as discussed by the authors is a microcomputer-based energy analysis and retrofitting tool for residential buildings, which can develop a monthly analysis of heating, cooling and appliance use, as well as a list of retrofits, ordered by decreasing savings-to-cost ratio, for any house and any climate specified by the user.
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Optimization of bivalent heating systems considering time-of-use tariffs for electricity
TL;DR: In this article, two different methods are used for the optimization of a bivalent heating system, where the base load is provided by a heat pump and an oil boiler takes care of the building peak load.