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de Raad, B.W. (author), van Lieshout, Marit (author), Stougie, L. (author), Ramirez, Andrea (author)Heat pumps are a promising option to decarbonize the industrial sector. However, their performance at a plant-level can be affected by other process changes. In this work, process changes that improve the heat pump's performance have been identified using Process Change Analysis (PCA), where the background pinch point is used as a reference...journal article 2024
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- de Raad, B.W. (author), van Lieshout, Marit (author), Stougie, L. (author), Ramirez, Andrea (author) journal article 2023
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Khan, Umara (author), Zevenhoven, Ron (author), Stougie, L. (author), Tveit, Tor Martin (author)Heat pumps (HPs) which use low temperature (waste) heat and renewable energy sources to provide high temperature heat are widely regarded as a critical technology for reducing carbon dioxide emissions in the industrial sector. The HighLift technology considered here can provide high temperature output heat up to around 200 °C. This article...journal article 2023
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Stougie, L. (author), de Raad, B.W. (author), van der Kooi, H.J. (author), Korevaar, G. (author)In view of the energy transition, it is important that engineering students are familiar with the concept of exergy and the added value of exergy analysis compared to energy analysis. Exergy analysis tells the truth about energy efficiency and exergy is directly related to sustainable development. This paper focuses on teaching exergy to...conference paper 2023
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de Raad, B.W. (author), van Lieshout, Marit (author), Stougie, L. (author), Ramirez, Andrea (author)Steam generating heat pumps show great potential for reducing carbon emissions in the industrial sector. However, predicting their performance is challenging as the exergy destruction of e.g., compressors and expansion valves increases with the temperature lift and condenser temperature. With over seventy design improvements mentioned in the...conference paper 2023
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Stougie, L. (author), van der Kooi, H.J. (author), Stikkelman, R.M. (author)The Netherlands is known for its high penetration of natural gas use in households and industry, but the threat of climate change and earthquakes in the province of Groningen, caused by natural gas production, stimulate the search for alternatives, such as hydrogen gas. Various ways of producing and supplying hydrogen have the attention of...conference paper 2022
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Khan, Umara (author), Zevenhoven, Ron (author), Stougie, L. (author), Tveit, Tor Martin (author)The use of Stirling-cycle-based heat pumps in high-temperature applications and waste heat recovery at an industrial scale is of increasing interest due to the promising role in producing thermal energy with zero CO2 emissions. This paper analyzes one such technology as developed by Olvondo Technology and installed at the pharmaceutical company...journal article 2021
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Stougie, L. (author), Tsalidis, G.A. (author), van der Kooi, H.J. (author), Korevaar, G. (author)Power generation from biomass is mentioned as a means to make our society more sustainable as it decreases greenhouse gas emissions of fossil origin and reduces the dependency on finite energy carriers, such as coal, oil and natural gas. When assessing the sustainability of power generation from biomass, it is important to consider the supply...journal article 2018
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Stougie, L. (author), Giustozzi, N. (author), van der Kooi, H.J. (author), Stoppato, Anna (author)Energy conversion systems have assumed a crucial role in current society. The threat of climate change, fossil fuel depletion and the growing world energy demand ask for a more sustainable way of electricity production, eg, by using renewable energy sources, by improving the conversion efficiency and/or by controlling power plant emissions....journal article 2018
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Stougie, L. (author), van der Kooi, H.J. (author)It is difficult to decide which power generation system is the most sustainable when environmental, economic and social sustainability aspects are taken into account. Problems with conventional environmental sustainability assessment methods are that no consensus exists about the applied models and weighting factors and that exergy losses are...journal article 2016
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Stougie, L. (author), van der Kooi, H.J. (author), Valero Delgado, A. (author)The selection of power generation systems is important when striving for a more sustainable society. However, the results of environmental, economic and social sustainability assessments are subject to new insights into the calculation methods and to changing needs, economic conditions and societal preferences. Researchers active in the field of...conference paper 2015
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Stougie, L. (author)A major challenge in striving for a more sustainable society is the selection of technological systems. Given the capital intensity of industrial production plants, power generation systems and infrastructure, investment decisions create path dependencies for decades to come. It is difficult to know which technological system is preferable when...doctoral thesis 2014
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Stougie, L. (author), Van der Kooi, H.J. (author)It is difficult to decide which power generation system is the most sustainable when environmental, economic and social sustainability aspects are taken into account. Problems with conventional environmental sustainability assessment methods are that no consensus exists about the applied models and weighting factors and that exergy losses are...conference paper 2014
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Stougie, L. (author), Van der Kooi, H.J. (author)Several options exist for power generation, but it is difficult to determine which option is the most sustainable. When assessing the sustainability of an option or system, it is important to consider the environmental, economic and social aspects of sustainability and to take a life-cycle point of view. According to literature, a relationship...conference paper 2013
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- Stougie, L. (author), van der Kooi, H.J. (author), Stikkelman, R.M. (author) conference paper 2012
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Stougie, L. (author), Van der Kooi, H.J. (author)Numerous LNG (Liquefied Natural Gas) import terminals are under construction to fulfil the growing demand for energy carriers. After storage in tanks, the LNG needs to be heated and evaporated, also called ‘regasified’, to the natural gas needed in households and industry. Several options exist for providing the required heat. In the interest of...conference paper 2011
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Stougie, L. (author), Van der Kooi, H.J. (author)A thorough investigation of literature about the relation between exergy and sustainability was conducted in September 2010. An overview of opinions and methods in the field of exergy analysis and sustainability is briefly presented. Exergy analysis has several advantages compared to energy analysis, but a careful underpinning of the relation...conference paper 2011
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Stougie, L. (author), Van der Kooi, H.J. (author)The worldwide demand for Liquefied Natural Gas (LNG) is growing, which results in numerous LNG import terminals being under construction. In the interest of sustainable development, it is important to decide carefully upon which technology to apply for evaporating the LNG to natural gas. Three options for the evaporation of LNG have been...conference paper 2010
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Stougie, L. (author), Van der Kooi, H.J. (author)A thorough qualitative investigation of the relation between exergy losses and environmental problems has been conducted. Environmental effects being taken into account include climate change, acidification, eutrophication, disposal and dissipation. It is concluded that almost all environmental effects can be taken into account by studying the...conference paper 2009
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Stougie, L. (author)Lately much attention is paid to exergy analyses, but what are the prospects of these analyses? The primary incentive of this study was to find out whether exergy analyses should be used for the comparison and evaluation of processes. Hereto, a method based on the principle of exergy, has been developed. This method has been used to analyse and...master thesis 1992
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