Search Results - "Hofmann, René"

The future potential hydrogen demand in energy-intensive industries - a site-specific approach applied to Germany by Neuwirth, Marius, Fleiter, Tobias, Manz, Pia, Hofmann, René

“…•Site-specific bottom-up approach to identify hydrogen potentials for energy-intensive industries (367 sites)•Literature review of the feasibility to use…”
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Assessing the potential of combined production and energy management in Industrial Energy Hubs – Analysis of a chipboard production plant by Halmschlager, Verena, Hofmann, René

“…To minimize energy consumption in today’s industry, holistic energy efficiency solutions are required. The Energy Hub is a promising concept for optimal energy…”
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A method for technical assessment of power-to-heat use cases to couple local district heating and electrical distribution grids by Leitner, Benedikt, Widl, Edmund, Gawlik, Wolfgang, Hofmann, René

“…The transition of district heating and electrical distribution grids from traditionally independent to actively coupled and operated networks is seen as an…”
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Standby efficiency and thermocline degradation of a packed bed thermal energy storage: An experimental study by Schwarzmayr, Paul, Birkelbach, Felix, Walter, Heimo, Hofmann, René

“…The waste heat potential from industrial processes is tremendous and if it can be utilized it may significantly contribute to the mitigation of climate change…”
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Unlocking the potential of synthetic fuel production: Coupled optimization of heat exchanger network and operating parameters of a 1 MW power-to-liquid plant by Huber, David, Birkelbach, Felix, Hofmann, René

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Modelling the market diffusion of hydrogen-based steel and basic chemical production in Europe – A site-specific approach by Neuwirth, Marius, Fleiter, Tobias, Hofmann, René

“…[Display omitted] •Transition towards hydrogen for basic chemicals and primary steel sites in Europe.•Validated data set with 158 plants at 96 sites for…”
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Impact of thermal storage capacity, electricity and emission certificate costs on the optimal operation of an industrial energy system by Panuschka, Sophie, Hofmann, René

“…[Display omitted] •General modeling approach for energy supply units with thermodynamic parameters.•Impact of electricity-steam-demand-ratio on optimal storage…”
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Exergy efficiency and thermocline degradation of a packed bed thermal energy storage in partial cycle operation: An experimental study by Schwarzmayr, Paul, Birkelbach, Felix, Walter, Heimo, Hofmann, René

“…To enable the exploitation of the industry sectors’ huge waste heat potential this study investigates the utilization of packed bed thermal energy storage…”
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Piecewise linear approximation for MILP leveraging piecewise convexity to improve performance by Birkelbach, Felix, Huber, David, Hofmann, René

“…To realize adaptive operation planning with MILP unit commitment, piecewise-linear approximations of the functions that describe the operating behavior of…”
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A Novel Approach for Linearization of a MINLP Stage-Wise Superstructure Formulation by Beck, Anton, Hofmann, René

“…•No initialization procedure needed•Better large scale network structures were found compared to global MINLP solvers•The linearized problem is easier to solve…”
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Impact of recent district heating developments and low-temperature excess heat integration on design of industrial energy systems: An integrated assessment method by Knöttner, Sophie, Leitner, Benedikt, Hofmann, René

“…[Display omitted] •Impact of district heating progress on sector coupling with industry analyzed.•Assessment method showcased for sector coupling optimization…”
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Neonatal Early-Onset Infection With SARS-CoV-2 in a Newborn Presenting With Encephalitic Symptoms by Lorenz, Norbert, Treptow, Anna, Schmidt, Stefan, Hofmann, René, Raumer-Engler, Mandy, Heubner, Georg, Gröber, Konstantin

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A sequential approach for integration of multiple thermal energy storages with fixed mass and variable temperature by Beck, Anton, Hofmann, René

“…•Analysis of pressurized water storages (>100 °C): moderate costs for low pressures.•Introduction of the first model for process integration of multiple FMVT…”
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Case Study of Multi-Period MILP HENS with Heat Pump and Storage Options for the Application in Energy Intensive Industries by Prendl, Leopold, Hofmann, René

“…The environmental goals of initiatives such as the European Green Deal, which aims to achieve climate neutrality for the EU by 2050, increase the importance of…”
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Control assessment in coupled local district heating and electrical distribution grids: Model predictive control of electric booster heaters by Leitner, Benedikt, Widl, Edmund, Gawlik, Wolfgang, Hofmann, René

“…Intelligent control schemes are essential for the implementation of smart energy systems, where district heating and electric networks are tightly…”
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Simultaneous integration of heat pumps and different thermal energy storages into a tightened multi-period MILP HENS superstructure formulation for industrial applications by Prendl, Leopold, Schenzel, Karl, Hofmann, René

“…•MILP HENS with simultaneous consideration of heat pumps and different storage types.•Linearized HP model for realistic HP characteristics.•Solution space…”
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Numerical studies on the influence of natural convection under inclination on optimal aluminium proportions and fin spacings in a rectangular aluminium finned latent-heat thermal energy storage by Kasper, Lukas, Pernsteiner, Dominik, Koller, Martin, Schirrer, Alexander, Jakubek, Stefan, Hofmann, René

“…•Angular dependency of natural convection effects in aluminium finned PCM cavities.•Evaluation of heat transfer enhancement of aluminium proportions and fin…”
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HENS Unchained: MILP Implementation of Multi-Stage Utilities with Stream Splits, Variable Temperatures and Flow Capacities by Huber, David, Birkelbach, Felix, Hofmann, René

“…In this paper, we present an extended heat exchanger synthesis superstructure (HENS) formulation to consider streams with variable temperatures and flow…”
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Design analysis of a hybrid storage concept combining Ruths steam storage and latent thermal energy storage by Dusek, Sabrina, Hofmann, René, Gruber, Stephan

“…[Display omitted] •New hybrid thermal energy storage concept for storing steam and electrical energy.•Analysis by variation of number and properties of…”
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Efficient clustering of identical generating units for the MILP-UC with a shifting generation level method by Koller, Martin, Hofmann, René

“…•Clustering methods from literature are extended by the shifting generation level method to efficiently model the ramp speed more precisely.•Problem size and…”
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