Optimisation

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Anja Kostevsek - One of the best experts on this subject based on the ideXlab platform.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

Janez Petek - One of the best experts on this subject based on the ideXlab platform.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

Lieve Helsen - One of the best experts on this subject based on the ideXlab platform.

  • representative days selection for district energy system Optimisation a solar district heating system with seasonal storage
    Applied Energy, 2019
    Co-Authors: Bram Van Der Heijde, Robbe Salenbien, Annelies Vandermeulen, Lieve Helsen
    Abstract:

    Abstract The design and operational Optimisation of fourth generation district heating networks is a crucial step towards highly renewable energy systems of the future. In order to optimise such complex systems, a toolbox modesto (multi-objective district energy systems toolbox for Optimisation) is being developed. Seasonal thermal energy storage is an essential technology to allow larger shares of renewable energy sources, yet large computational power is required for its representation in full-year operational Optimisations, as a step towards district energy system optimal design. To decrease computational complexity, a technique with representative days able to include seasonal thermal energy storage systems is developed and validated. This methodology combines different part-solutions from literature, but also adds a novel aspect to safeguard the chronology of the Optimisation problem. To validate the approach, the design Optimisation of a fictitious solar district heating system with seasonal thermal energy storage is compared to different representative day Optimisations in two steps. The operational Optimisation is a linear Optimisation problem, implemented using modesto ; the design Optimisation is built as a genetic algorithm, optimising the size of the storage and solar systems in the network. The validation exercise is done for the operational and for the design Optimisation separately. This comparative study shows that modelling with representative days adequately mimics the behaviour for the presented case. Furthermore, a solution speed-up in the order of 10–30 times is shown for the representative Optimisations with respect to the full year Optimisation, in line with the reduction of the number of variables.

Peter Glavič - One of the best experts on this subject based on the ideXlab platform.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

  • comprehensive approach to increase energy efficiency based on versatile industrial practices
    Journal of Cleaner Production, 2016
    Co-Authors: Janez Petek, Peter Glavič, Anja Kostevsek
    Abstract:

    Abstract Throughout industrial practice, the problem is that of identifying a suitable holistic approach connecting Cleaner Production, Total Site Integration, and Energy Efficiency Optimization. The combination of all the before mentioned concepts is believed to be crucial for comprehensive assessment of the energy and environmental issues within a company. Various case studies are included within this paper regarding the implementations of cleaner production principles, energy audit performance, pinch analysis and various Optimisation techniques' calculations. Several energy audits of industrial processes within the dairy, ceramic, metal processing and meat processing industries, services such as laundries and of public buildings were carried out in order to find possibilities for increasing the overall energy efficiencies of industrial processes, buildings and energy systems. On the bases of the results and the knowledge obtained from the projects mentioned in the paper, a Total Site – Cleaner Production – Energy Efficiency – Optimisation approach is proposed which enables gradual research, development and integration of Cleaner production, Energy Auditing and Optimisation combined within novel Optimisation methods and its concepts. The main objective of the research was the use of analysis regarding industrial practices when developing a holistic Total Site – Cleaner Production – Energy Efficiency – Optimisation approach for supporting industrial needs during the Optimisation of energy demand. This novel approach consists of three phases that include within each one the traditional Total Site Integration, Cleaner Production and Energy Efficiency – Optimization methods with a proposed novel structure for addressing the energy and environmental categories within industry. This novel approach could generate greater efficiency due to combining the different methods and consequently having a higher more positive impact on the environment. The scientific added value is demonstrated through the combination of Total Site, Cleaner Production and Energy Efficiency Optimization approaches as a comprehensive unit and by the proposal of this novel procedure for the implementation of Total Site – Cleaner Production – Energy Efficiency – Optimisation approach.

Bram Van Der Heijde - One of the best experts on this subject based on the ideXlab platform.

  • representative days selection for district energy system Optimisation a solar district heating system with seasonal storage
    Applied Energy, 2019
    Co-Authors: Bram Van Der Heijde, Robbe Salenbien, Annelies Vandermeulen, Lieve Helsen
    Abstract:

    Abstract The design and operational Optimisation of fourth generation district heating networks is a crucial step towards highly renewable energy systems of the future. In order to optimise such complex systems, a toolbox modesto (multi-objective district energy systems toolbox for Optimisation) is being developed. Seasonal thermal energy storage is an essential technology to allow larger shares of renewable energy sources, yet large computational power is required for its representation in full-year operational Optimisations, as a step towards district energy system optimal design. To decrease computational complexity, a technique with representative days able to include seasonal thermal energy storage systems is developed and validated. This methodology combines different part-solutions from literature, but also adds a novel aspect to safeguard the chronology of the Optimisation problem. To validate the approach, the design Optimisation of a fictitious solar district heating system with seasonal thermal energy storage is compared to different representative day Optimisations in two steps. The operational Optimisation is a linear Optimisation problem, implemented using modesto ; the design Optimisation is built as a genetic algorithm, optimising the size of the storage and solar systems in the network. The validation exercise is done for the operational and for the design Optimisation separately. This comparative study shows that modelling with representative days adequately mimics the behaviour for the presented case. Furthermore, a solution speed-up in the order of 10–30 times is shown for the representative Optimisations with respect to the full year Optimisation, in line with the reduction of the number of variables.