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van der Pal, M. (author), de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author)Voor industriële processen is stoom een belangrijke warmtedrager om producten en processen te verwarmen. In het Flexsteam project is gekeken naar de mogelijk heden voor energiebesparing door terugwinning, opslag en hergebruik van warmte in de vorm van stoom. Daarbij is het onderzoek specifiek gericht op het gebruik van faseovergangsmaterialen ...report 2022
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Zondag, H.A. (author), de Boer, R. (author), Smeding, S.F. (author), van der Kamp, J. (author)A 140 l lab scale shell-and-tube PCM heat storage was built and tested, and the experimental results were compared to a numerical model. Natural convection in the PCM was found to significantly influence the local temperature distribution in the storage vessel, which could not be predicted well by the model, since the model assumes only...article 2018
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de Boer, R. (author), Smeding, S.F. (author), Energieonderzoek Centrum Nederland (author)Heat is an important energy source for the chemical industry to drive their processes. Waste heat recovery and re-use therefor provides attractive energy saving and cost saving opportunities. However, in batch processes the availability of waste heat and the demand for heat are shifted in time and storage of thermal energy is needed to overcome...conference paper 2017
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de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author), Energieonderzoek Centrum Nederland (author)Sailing Heat is a concept for transportation of industrial waste heat over waterways by means of push barges to a heat consumer. This concept is studied for the Netherlands where transport by ship is attractive thanks to the many canals and industries located near waterways. The sailing heat concept offers higher flexibility compared to fixed...conference paper 2017
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de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author), van de Kamp, J. (author), Energieonderzoek Centrum Nederland (author)A 140 liter lab scale shell-and-tube PCM heat storage was built and tested, and the experimental results were compared to a numerical model. Natural convection in the PCM was found to significantly influence the temperature distribution in the storage vessel. A horizontal orientation was found to be beneficial due to increased heat exchange...conference paper 2017
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- Smeding, S.F. (author), Zondag, H.A. (author), Wemmers, A.K. (author), Marina, A.J. (author), Energieonderzoek Centrum Nederland (author) conference paper 2017
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Energieonderzoek Centrum Nederland (author), de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author)-article 2016
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de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author), Krol, G. (author), Energieonderzoek Centrum Nederland (author)The increasing share of renewable energy in the energy supply system requires a more balanced equilibrium between energy supply and demand. Research and development activities in the area of smart electricity grids is already a very visible result of that. The balancing of heat supply and demand is of equal importance when the use of solar heat...conference paper 2014
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- Veldhuis, J.B.J. (author), Smeding, S.F. (author), van der Pal, M. (author), Energieonderzoek Centrum Nederland (author) conference paper 2014
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Veldhuis, J.B.J. (author), Smeding, S.F. (author), van der Pal, M. (author), Energieonderzoek Centrum Nederland (author)Hybrid adsorption compression heat pump cycles can be applied to upgrade waste heat to process heat temperatures. Model calculations show a power density of 25 kW m-3 can be achieved with a COP on heat of 0.3. By optimizing reactor dimensions, cycle times and by introducing heat and mass recovery options, it is expected this performance can be...conference paper 2014
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de Boer, R. (author), Smeding, S.F. (author), de Smidt, R.P. (author), Zondag, H.A. (author)This document describes the current state of development of Thermochemical heat storage technology at ECN. The development was initiated within ECN-DEGO around the year 2002, starting with literature studies and material screening. The target application was for seasonal heat storage of solar heat for single family housings. The work was carried...other 2014
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de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author), Energieonderzoek Centrum Nederland (author)The E-Hub project, funded under the FP7 programme Energy efficient Buildings (EeB)߿ݠaims at developing smart energy systems for districts that are able to utilise the full potential of renewable energies available at district level. This report describes the activities performed and the results obtained within task 3.2. The aim of the task is to...report 2014
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de Boer, R. (author), Smeding, S.F. (author), Sijpheer, N.C. (author), Bakker, E.J. (author), van der Pal, M. (author)Besides (better) utilization of available solar heat or waste heat, and thereby reduction of fossil fuel consumption, sorption cooling offers several other advantages compared to conventional compression cooling. Such as reduction of summer peaks in the electricity grid, use of natural refrigerants, and low noise & maintenance. Sorption...bookPart 2013
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Veldhuis, J.B.J. (author), de Boer, R. (author), Smeding, S.F. (author), van der Pal, M. (author), Wemmers, A.K. (author), Lycklama a Nijeholt, J.A. (author)Thermally driven sorption systems can provide significant energy savings, especially in industrial applications. The driving temperature for operation of such systems limits the operating window and can be a barrier for market-introduction. By adding a compressor, the sorption cycle can be run using lower waste heat temperatures. ECN has...bookPart 2013
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de Boer, R. (author), Smeding, S.F. (author), van der Pal, M. (author), Wemmers, A.K. (author)Heat pump technologies offer a significant potential for primary energy savings in industrial processes. Thermally driven heat pumps can use waste heat as driving energy source to provide either heating or cooling. A chemi-sorption heat transformer can upgrade a waste heat source to temperatures of 150 e200 _C. The specific heat transformer...article 2013
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- de Boer, R. (author), Smeding, S.F. (author), Zondag, H.A. (author), Bakker, M. (author), Kikkert, B.W.J. (author) conference paper 2012
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de Boer, R. (author), Smeding, S.F. (author), van der Pal, M. (author), Wemmers, A.K. (author), Energieonderzoek Centrum Nederland (author)Heat pump technologies offer a significant potential for primary energy savings in industrial processes. Thermally driven heat pumps can use waste heat as driving energy source to provide either heating or cooling. A chemi-sorption heat transformer can upgrade a waste heat source to temperatures of 150-200°C. The specific heat...conference paper 2012
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Smeding, S.F. (author), Zondag, H.A. (author), Kikkert, B.W.J. (author), Bakker, M. (author), Energieonderzoek Centrum Nederland (author)In the summer, the available of solar heat exceeds the total heat demand of a building, but in the winter the heat demand is exceeding the solar supply. For the future conversion of a passive house into an energy neutral house, a solution is to store the excess of solar energy in summer, and to use it to meet the heat demand in winter. Water is...conference paper 2011
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de Boer, R. (author), Smeding, S.F. (author), Sijpheer, N.C. (author), Bakker, E.J. (author), van der Pal, M. (author), Energieonderzoek Centrum Nederland (author)Besides (better) utilisation of available solar heat or waste heat, and thereby reduction of fossil fuel consumption, sorption cooling offers several other advantages compared to conventional compression cooling. Such as reduction of summer peaks in the electricity grid, use of natural refrigerants, and low noise & maintenance. Sorption...conference paper 2011
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Veldhuis, J.B.J. (author), de Boer, R. (author), Smeding, S.F. (author), van der Pal, M. (author), Wemmers, A.K. (author), Lycklama a Nijeholt, J.A. (author), Energieonderzoek Centrum Nederland (author)Thermally driven sorption systems can provide significant energy savings, especially in industrial applications. The driving temperature for operation of such systems limits the operating window and can be a barrier for market-introduction. By adding a compressor, the sorption cycle can be run using lower waste heat temperatures. <p&...conference paper 2011
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