[{"citation":{"apa":"Afsahnoudeh, R., Riese, J., &#38; Kenig, E. Y. (2025). Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis. <i>Systems and Control Transactions</i>, <i>4</i>. <a href=\"https://doi.org/10.69997/sct.178665\">https://doi.org/10.69997/sct.178665</a>","bibtex":"@inproceedings{Afsahnoudeh_Riese_Kenig_2025, title={Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis}, volume={4}, DOI={<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>}, booktitle={Systems and Control Transactions}, publisher={PSE Press}, author={Afsahnoudeh, Reza and Riese, Julia and Kenig, Eugeny Y.}, year={2025} }","short":"R. Afsahnoudeh, J. Riese, E.Y. Kenig, in: Systems and Control Transactions, PSE Press, 2025.","mla":"Afsahnoudeh, Reza, et al. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis.” <i>Systems and Control Transactions</i>, vol. 4, PSE Press, 2025, doi:<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>.","ieee":"R. Afsahnoudeh, J. Riese, and E. Y. Kenig, “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis,” in <i>Systems and Control Transactions</i>, 2025, vol. 4, doi: <a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>.","chicago":"Afsahnoudeh, Reza, Julia Riese, and Eugeny Y. Kenig. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis.” In <i>Systems and Control Transactions</i>, Vol. 4. PSE Press, 2025. <a href=\"https://doi.org/10.69997/sct.178665\">https://doi.org/10.69997/sct.178665</a>.","ama":"Afsahnoudeh R, Riese J, Kenig EY. Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis. In: <i>Systems and Control Transactions</i>. Vol 4. PSE Press; 2025. doi:<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>"},"intvolume":"         4","publication_status":"published","publication_identifier":{"issn":["2818-4734"]},"doi":"10.69997/sct.178665","date_updated":"2025-07-02T07:57:08Z","author":[{"full_name":"Afsahnoudeh, Reza","id":"90390","orcid":"https://orcid.org/0009-0001-3161-8036","last_name":"Afsahnoudeh","first_name":"Reza"},{"full_name":"Riese, Julia","id":"101499","last_name":"Riese","orcid":"0000-0002-3053-0534","first_name":"Julia"},{"first_name":"Eugeny Y.","full_name":"Kenig, Eugeny Y.","last_name":"Kenig"}],"volume":4,"status":"public","type":"conference","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"60494","user_id":"101499","department":[{"_id":"831"}],"year":"2025","quality_controlled":"1","title":"Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis","publisher":"PSE Press","date_created":"2025-07-02T07:56:12Z","abstract":[{"text":"Pillow-plate heat exchangers (PPHEs) represent a viable alternative to conventional shell-and-tube and plate heat exchangers. The waviness of their channels intensifies fluid mixing in the boundary layers and facilitates heat transfer. Applying secondary surface structuring can further enhance the overall thermo-hydraulic performance of PPHEs, thus increasing their competitiveness against conventional heat exchangers. In this work, streamlined secondary structures applied on the PPHE surface were studied numerically to explore their potential in enhancing near-wall fluid mixing. Computational fluid dynamics (CFD) simulations of single-phase turbulent flow in the inner PPHE channel were performed and pressure drop, heat transfer coefficients, and overall thermo-hydraulic efficiency were determined. The simulation results clearly demonstrate a favourable influence of secondary structuring on the heat transfer performance of PPHEs.</jats:p>","lang":"eng"}],"publication":"Systems and Control Transactions","language":[{"iso":"eng"}]},{"title":"A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures","conference":{"name":"10th International Conference on Heat Transfer and Fluid Flow","start_date":"2024-08-22","end_date":"2024-08-24","location":"Barcelona"},"doi":"10.11159/htff24.145","publisher":"Avestia Publishing","date_updated":"2024-09-23T07:31:11Z","date_created":"2024-09-23T07:28:01Z","author":[{"first_name":"Reza","last_name":"Afsahnoudeh","orcid":"https://orcid.org/0009-0001-3161-8036","id":"90390","full_name":"Afsahnoudeh, Reza"},{"first_name":"Julia","full_name":"Riese, Julia","id":"101499","last_name":"Riese","orcid":"0000-0002-3053-0534"},{"id":"665","full_name":"Kenig, Eugeny Y.","last_name":"Kenig","first_name":"Eugeny Y."}],"year":"2024","citation":{"apa":"Afsahnoudeh, R., Riese, J., &#38; Kenig, E. Y. (2024). A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures. <i>World Congress on Mechanical, Chemical, and Material Engineering</i>. 10th International Conference on Heat Transfer and Fluid Flow, Barcelona. <a href=\"https://doi.org/10.11159/htff24.145\">https://doi.org/10.11159/htff24.145</a>","mla":"Afsahnoudeh, Reza, et al. “A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures.” <i>World Congress on Mechanical, Chemical, and Material Engineering</i>, Avestia Publishing, 2024, doi:<a href=\"https://doi.org/10.11159/htff24.145\">10.11159/htff24.145</a>.","short":"R. Afsahnoudeh, J. Riese, E.Y. Kenig, in: World Congress on Mechanical, Chemical, and Material Engineering, Avestia Publishing, 2024.","bibtex":"@inproceedings{Afsahnoudeh_Riese_Kenig_2024, title={A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures}, DOI={<a href=\"https://doi.org/10.11159/htff24.145\">10.11159/htff24.145</a>}, booktitle={World Congress on Mechanical, Chemical, and Material Engineering}, publisher={Avestia Publishing}, author={Afsahnoudeh, Reza and Riese, Julia and Kenig, Eugeny Y.}, year={2024} }","ama":"Afsahnoudeh R, Riese J, Kenig EY. A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures. In: <i>World Congress on Mechanical, Chemical, and Material Engineering</i>. Avestia Publishing; 2024. doi:<a href=\"https://doi.org/10.11159/htff24.145\">10.11159/htff24.145</a>","ieee":"R. Afsahnoudeh, J. Riese, and E. Y. Kenig, “A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures,” presented at the 10th International Conference on Heat Transfer and Fluid Flow, Barcelona, 2024, doi: <a href=\"https://doi.org/10.11159/htff24.145\">10.11159/htff24.145</a>.","chicago":"Afsahnoudeh, Reza, Julia Riese, and Eugeny Y. Kenig. “A Numerical Analysis of Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Ellipsoidal Secondary Structures.” In <i>World Congress on Mechanical, Chemical, and Material Engineering</i>. Avestia Publishing, 2024. <a href=\"https://doi.org/10.11159/htff24.145\">https://doi.org/10.11159/htff24.145</a>."},"quality_controlled":"1","publication_identifier":{"issn":["2369-8136"]},"publication_status":"published","language":[{"iso":"eng"}],"_id":"56194","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"department":[{"_id":"831"}],"user_id":"90390","status":"public","publication":"World Congress on Mechanical, Chemical, and Material Engineering","type":"conference"},{"department":[{"_id":"145"}],"user_id":"90390","_id":"28941","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"language":[{"iso":"eng"}],"type":"conference_abstract","status":"public","date_created":"2021-12-15T11:08:25Z","author":[{"first_name":"Reza","id":"90390","full_name":"Afsahnoudeh, Reza","last_name":"Afsahnoudeh"},{"last_name":"Holzmüller","full_name":"Holzmüller, Maik","id":"82645","first_name":"Maik"},{"first_name":"Fabian","id":"65204","full_name":"Bader, Fabian","last_name":"Bader"},{"first_name":"Werner","last_name":"Homberg","id":"233","full_name":"Homberg, Werner"},{"id":"665","full_name":"Kenig, Eugeny Y.","last_name":"Kenig","first_name":"Eugeny Y."}],"date_updated":"2023-09-12T08:04:52Z","conference":{"start_date":"06.03.2023","name":"Jahrestreffen der DECHEMA-Fachgruppen Computational Fluid Dynamics und Wärme- und Stoffübertragung","location":"Frankfurt am Main","end_date":"08.06.2023"},"title":"Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern","citation":{"apa":"Afsahnoudeh, R., Holzmüller, M., Bader, F., Homberg, W., &#38; Kenig, E. Y. (2023). <i>Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern</i>. Jahrestreffen der DECHEMA-Fachgruppen Computational Fluid Dynamics und Wärme- und Stoffübertragung, Frankfurt am Main.","mla":"Afsahnoudeh, Reza, et al. <i>Numerische Untersuchung von Oberflächenstrukturierung Zur Erhöhung Der Effizienz von Kissenplatten-Wärmeübertragern</i>. 2023.","short":"R. Afsahnoudeh, M. Holzmüller, F. Bader, W. Homberg, E.Y. Kenig, in: 2023.","bibtex":"@inproceedings{Afsahnoudeh_Holzmüller_Bader_Homberg_Kenig_2023, title={Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern}, author={Afsahnoudeh, Reza and Holzmüller, Maik and Bader, Fabian and Homberg, Werner and Kenig, Eugeny Y.}, year={2023} }","chicago":"Afsahnoudeh, Reza, Maik Holzmüller, Fabian Bader, Werner Homberg, and Eugeny Y. Kenig. “Numerische Untersuchung von Oberflächenstrukturierung Zur Erhöhung Der Effizienz von Kissenplatten-Wärmeübertragern,” 2023.","ieee":"R. Afsahnoudeh, M. Holzmüller, F. Bader, W. Homberg, and E. Y. Kenig, “Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern,” presented at the Jahrestreffen der DECHEMA-Fachgruppen Computational Fluid Dynamics und Wärme- und Stoffübertragung, Frankfurt am Main, 2023.","ama":"Afsahnoudeh R, Holzmüller M, Bader F, Homberg W, Kenig EY. Numerische Untersuchung von Oberflächenstrukturierung zur Erhöhung der Effizienz von Kissenplatten-Wärmeübertragern. In: ; 2023."},"year":"2023"},{"abstract":[{"text":"<jats:p>Pillow-plate heat exchangers (PPHEs) represent a suitable alternative to conventional shell-and-tube and plate heat exchangers. The inherent waviness of their channels promotes fluid mixing in the boundary layers and facilitates heat transfer. The overall thermo-hydraulic performance of PPHEs can further be enhanced by applying secondary surface structuring, thus increasing their competitiveness against conventional heat exchangers. In this work, various secondary structures applied on the PPHE surface were studied numerically to explore their potential to enhance near-wall mixing. Computational fluid dynamics (CFD) simulations of single-phase turbulent flow in the outer PPHE channel were performed and pressure drop, heat transfer coefficients, and overall thermo-hydraulic efficiency were determined. The simulation results clearly demonstrate a positive impact of secondary structuring on heat transfer in PPHEs.</jats:p>","lang":"eng"}],"status":"public","type":"journal_article","publication":"Energies","article_number":"7284","language":[{"iso":"eng"}],"_id":"56627","user_id":"90390","department":[{"_id":"831"},{"_id":"9"}],"year":"2023","citation":{"bibtex":"@article{Afsahnoudeh_Wortmeier_Holzmüller_Gong_Homberg_Kenig_2023, title={Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis}, volume={16}, DOI={<a href=\"https://doi.org/10.3390/en16217284\">10.3390/en16217284</a>}, number={217284}, journal={Energies}, publisher={MDPI AG}, author={Afsahnoudeh, Reza and Wortmeier, Andreas and Holzmüller, Maik and Gong, Yi and Homberg, Werner and Kenig, Eugeny}, year={2023} }","mla":"Afsahnoudeh, Reza, et al. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis.” <i>Energies</i>, vol. 16, no. 21, 7284, MDPI AG, 2023, doi:<a href=\"https://doi.org/10.3390/en16217284\">10.3390/en16217284</a>.","short":"R. Afsahnoudeh, A. Wortmeier, M. Holzmüller, Y. Gong, W. Homberg, E. Kenig, Energies 16 (2023).","apa":"Afsahnoudeh, R., Wortmeier, A., Holzmüller, M., Gong, Y., Homberg, W., &#38; Kenig, E. (2023). Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis. <i>Energies</i>, <i>16</i>(21), Article 7284. <a href=\"https://doi.org/10.3390/en16217284\">https://doi.org/10.3390/en16217284</a>","ieee":"R. Afsahnoudeh, A. Wortmeier, M. Holzmüller, Y. Gong, W. Homberg, and E. Kenig, “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis,” <i>Energies</i>, vol. 16, no. 21, Art. no. 7284, 2023, doi: <a href=\"https://doi.org/10.3390/en16217284\">10.3390/en16217284</a>.","chicago":"Afsahnoudeh, Reza, Andreas Wortmeier, Maik Holzmüller, Yi Gong, Werner Homberg, and Eugeny Kenig. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis.” <i>Energies</i> 16, no. 21 (2023). <a href=\"https://doi.org/10.3390/en16217284\">https://doi.org/10.3390/en16217284</a>.","ama":"Afsahnoudeh R, Wortmeier A, Holzmüller M, Gong Y, Homberg W, Kenig E. Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis. <i>Energies</i>. 2023;16(21). doi:<a href=\"https://doi.org/10.3390/en16217284\">10.3390/en16217284</a>"},"intvolume":"        16","publication_status":"published","publication_identifier":{"issn":["1996-1073"]},"issue":"21","title":"Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Secondary Structuring: A Numerical Analysis","doi":"10.3390/en16217284","date_updated":"2025-01-02T11:55:59Z","publisher":"MDPI AG","date_created":"2024-10-15T12:10:31Z","author":[{"first_name":"Reza","full_name":"Afsahnoudeh, Reza","id":"90390","orcid":"https://orcid.org/0009-0001-3161-8036","last_name":"Afsahnoudeh"},{"last_name":"Wortmeier","full_name":"Wortmeier, Andreas","id":"49825","first_name":"Andreas"},{"id":"82645","full_name":"Holzmüller, Maik","last_name":"Holzmüller","first_name":"Maik"},{"full_name":"Gong, Yi","id":"98514","last_name":"Gong","first_name":"Yi"},{"id":"233","full_name":"Homberg, Werner","last_name":"Homberg","first_name":"Werner"},{"last_name":"Kenig","id":"665","full_name":"Kenig, Eugeny","first_name":"Eugeny"}],"volume":16}]