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Rößler F, Freko P, Thomas I, Kender R, Rehfeldt S, Klein H. A modular-hierarchical framework for the pressure-driven simulation of heat exchanger dynamics. Comput Chem Eng 2022. [DOI: 10.1016/j.compchemeng.2022.107821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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2
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Rößler F, Krumova V, Gewald S, Bauernfeind A, Freko P, Thomas I, Zander H, Rehfeldt S, Klein H. Hazard Analysis of Fixed‐Tube‐Sheet Shell‐and‐Tube Heat Exchangers. CHEM-ING-TECH 2022. [DOI: 10.1002/cite.202100186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Felix Rößler
- Technical University of Munich TUM School of Engineering and Design Department of Energy and Process Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching bei München Germany
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Veronika Krumova
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Stefan Gewald
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | | | - Pascal Freko
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Ingo Thomas
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Hans‐Jörg Zander
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Sebastian Rehfeldt
- Technical University of Munich TUM School of Engineering and Design Department of Energy and Process Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching bei München Germany
| | - Harald Klein
- Technical University of Munich TUM School of Engineering and Design Department of Energy and Process Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching bei München Germany
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Kender R, Rößler F, Wunderlich B, Pottmann M, Thomas I, Ecker A, Rehfeldt S, Klein H. Improving the Load Flexibility of Industrial Air Separation Units Using a
Pressure‐Driven
Digital Twin. AIChE J 2022. [DOI: 10.1002/aic.17692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Robert Kender
- Department of Energy and Process Engineering, TUM School of Engineering and Design Institute of Plant and Process Technology, Technical University of Munich Garching Germany
| | - Felix Rößler
- Department of Energy and Process Engineering, TUM School of Engineering and Design Institute of Plant and Process Technology, Technical University of Munich Garching Germany
- Linde GmbH, Linde Engineering Pullach Germany
| | | | | | - Ingo Thomas
- Linde GmbH, Linde Engineering Pullach Germany
| | | | - Sebastian Rehfeldt
- Department of Energy and Process Engineering, TUM School of Engineering and Design Institute of Plant and Process Technology, Technical University of Munich Garching Germany
| | - Harald Klein
- Department of Energy and Process Engineering, TUM School of Engineering and Design Institute of Plant and Process Technology, Technical University of Munich Garching Germany
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A Framework for Multi-Objective Optimization of Plate-Fin Heat Exchangers Using a Detailed Three-Dimensional Simulation Model. CHEMENGINEERING 2021. [DOI: 10.3390/chemengineering5040082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The design of a multi-stream plate-fin heat exchanger is a highly integrated task with multiple opposing objectives and many degrees of freedom. This work shows how it can be fully or partially automated by the combination of a detailed three-dimensional simulation model and an optimization routine. The desired task is formulated as the target of a multi-objective optimization and solved using a genetic algorithm. The workflow is presented using a cryogenic plate-fin heat exchanger with four process streams. The design is optimized towards high efficiency, low pressure drop, and low unit weight by adjusting the outer geometry, the inlet and outlet distributor configuration, and the detailed stream geometry. A detailed analysis of the Pareto-set gives a good overview of possible solutions, and the optimization routine can automatically find a feasible design with a reasonable tradeoff between the objectives. All elements of the framework are implemented in open source software. A highlight of this research is that a very comprehensive and detailed simulation model is employed in the optimization framework. Thus, the presented method can be easily adjusted to fit the needs of other engineering tasks.
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Fritsch P, Hoffmann R, Flüggen R, Woitalka A, Haider P, Rehfeldt S, Klein H. Distributed Temperature and Strain Measurements at a Cryogenic Plate‐Fin Heat Exchanger Test Rig. CHEM-ING-TECH 2021. [DOI: 10.1002/cite.202100070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Philipp Fritsch
- Technical University of Munich Department of Mechanical Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching Germany
| | - Rainer Hoffmann
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Rainer Flüggen
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Alexander Woitalka
- Linde GmbH Linde Engineering Dr.-Carl-von-Linde-Straße 6–14 82049 Pullach Germany
| | - Patrick Haider
- Technical University of Munich Department of Mechanical Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching Germany
| | - Sebastian Rehfeldt
- Technical University of Munich Department of Mechanical Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching Germany
| | - Harald Klein
- Technical University of Munich Department of Mechanical Engineering Institute of Plant and Process Technology Boltzmannstraße 15 85748 Garching Germany
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