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Stampfli, Jan; Ong, Benjamin Hung Yang; Olsen, Donald; Wellig, Beat & Hofmann, René (08.11.2022). A Hybrid Evolutionary Algorithm for Multi-Objective Heat Exchanger Network Retrofit for Multi-Period Processes. Proceedings of the 25th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, Split and Bol, Croatia.
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Stampfli, Jan; Ong, Benjamin Hung Yang; Olsen, Donald; Wellig, Beat & Hofmann, René (10.10.2021). A hybrid evolutionary algorithm for heat exchanger network retrofit for processes with multiple operating cases. 16th Conference on Sustainable Developement of Energy, Water and Environment Systems, Dubrovnik, Croatia.
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Stampfli, Jan; Olsen, Donald; Wellig, Beat & Hofmann, René (31.08.2020). Heat Exchanger Network Retrofit for Processes with Multiple Operating Cases : a Metaheuristic Approach. 30th European Symposium on Computer Aided Process Engineering, Milano.
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Agner, Raphael; Lucas, Edward; Olsen, Donald; Gruber, Peter & Wellig, Beat (23.10.2019). Control of Heat Exchangers in Stratified Storage Systems – Simulation and Experimental Validation. 22nd Conference on Process Integration for Energy Saving and Pollution Reduction (PRES 2019), Agios Nikolaos, Crete, Greece.
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Stampfli, Jan; Lucas, Edward; Olsen, Donald; Krummenacher, Pierre & Wellig, Beat (23.10.2019). Batch Process Integration: Management of Capacity-Limited Thermal Energy Storage by Optimization of Heat Recovery. 22nd Conference on Process Integration for Energy Saving and Pollution Reduction (PRES 2019), Agios Nikolaos, Crete, Greece.
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Olsen, Donald; Roth, Simon; Lucas, Edward & Wellig, Beat (22.08.2019). Building a Workflow for Industrial Energy Efficiency around Pinch Analysis: Practical and Ecological Considerations. SCCER Efficiency of Industrial Processes - Networking Meeting, Murten.
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Stampfli, Jan; Atkins, Martin; Olsen, Donald; Wellig, Beat; Walmsley, Michael & Neale, James (29.09.2018). Industrial Heat Pump Integration in Non-Continuous Processes Using Thermal Energy Storages as Utility – A Graphical Approach. 21st Conference on Process Integration for Energy Saving and Pollution Reduction (PRES 2018), Prague, Czech Republic.
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Stampfli, Jan; Atkins, Martin; Neale, James; Olsen, Donald; Walmsley, Michael & Wellig, Beat (28.08.2018). Industrial Heat Pump Integration in Non-Continuous Processes Using Thermal Energy Storages as Utility – An NLP Enhancement of the Graphical Approach. 21st Conference on Process Integration for Energy Saving and Pollution Reduction (PRES 2018), Prague, Czech Republic.
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Olsen, Donald; Abdelouadoud, Ledmilla Yasmina; Liem, Peter & Wellig, Beat (13.09.2017). The Role of Pinch Analysis for Industrial ORC Integration. International Seminar on ORC Power Systems, Milano, Italy.
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Olsen, Donald; Abdelouadoud, Ledmilla Yasmina; Liem, Peter; Hoffmann, Sebastian & Wellig, Beat (18.05.2017). Integration of Heat Pumps in Industrial Processes with Pinch Analysis. 12th IEA Heat Pump Conference, Rotterdam.
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Wellig, Beat; Gitz, Lukas; Grüniger, Andrea; Liem, Peter & Olsen, Donald (25.06.2014). Integration von Wärmepumpen in industrielle Prozesse mit Hilfe der Pinch-Analyse. Tagungsband der 20. Tagung des Forschungsprogramms "Wärmepumpen und Kälte" des Bundesamtes für Energie BFE, Burgdorf.
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Olsen, Donald & Wellig, Beat (04.09.2011). Practical Heat Integration Analysis in the Process Industries. World Engineers' Convention (WEC), Geneva.
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Olsen, Donald; Egli, Armin & Wellig, Beat (14.06.2010). PinCH: An Analysis Tool for the Process Industries. 23rd International Conference on Efficiency, Cost, Optimization, Simulation an Environmental Impact of Energy Systems (ECOS), Lausanne.