Thermal calculation of heat exchangers with simplified consideration of axial wall heat conduction
Authors: W. Roetzel, C. Na Ranong
E3S Web of Conferences, Vol. 70 (2018), HTRSE-2018, https://doi.org/10.1051/e3sconf/20187002013 .
Thermal calculation of heat exchangers with simplified consideration of axial wall heat conduction
Authors: W. Roetzel, C. Na Ranong
In: Heat Transfer and Renewable Sources of Energy 2018, Book of Abstracts of the 17th International Conference HTRSE 2018, Miedzyzdroje, Poland, September 2-5, p. 93-94,
Eds.: T. Kujawa, A. A. Stachel, Z. Zapalowicz, © Wydawnistwo Uczelnianie ZUT w Szczecinie 2018, ISBN 978-83-7663-264-3
Evaluation of temperature oscillaton experiment for the determination of heat transfer coefficient and dispersive Peclet number
Authors: W. Roetzel, C. Na Ranong
In: Proceedings of the 16th International Conference on Heat Transfer and Renewable Sources of Engery, HTRSE 2016,
Szczecin-Miedzyzdroje, Poland, September 10-13, 2016,p. 229-241, Editors: A.A. Stachel and D. Mikielewicz,
© Wydawnistwo Uczelnianie ZUT w Szczecinie 2016, ISBN 978-83-7663-219-3.
Evaluation method of single blow experiment for the determination of heat transfer coefficient and dispersive Peclet number
Authors: W. Roetzel, C. Na Ranong
In: Proceedings of the 15th International Conference on Heat Transfer and Renewable Sources of Energy, HTRSE 2014,
Szczecin-Miedzyzdroje, Poland, September 10-13, 2014, p. 177-186, Editors: A.A. Stachel and D. Mikielewicz,
© Wydawnictwo Uczelnianie ZUT w Szczecinie 2014, ISBN 978-83-7663-183-7
Unity Mach number axial dispersion model for heat exchanger design
Authors: C. Na Ranong, W. Roetzel
6th European Thermal Sciences Conference Eurotherm 2012, 4.9.-7.9. 2012, Poitiers,Frankreich.In: 2012 J. Phys.: Conf. Ser. 395, 012052; dx.doi.org/10.1088/1742-6596/395/1/012052
Evaluation of residence time measurements on heat exchangers for the determination of dispersive Peclet numbers
Authors: W. Roetzel, C. Na Ranong
In: Proceedings of the 14th International Symposium on Heat Transfer and Renewable Sources of Energy, HTRSE 2012, Szczecin-Miedzyzdroje, Poland,
September 06-09, 2012, p. 219 – 228, Editors: A.A. Stachel and D. Mikielewicz,
© Wydawnistwo Uczelnianie ZUT w Szczecinie 2012, ISBN 978-83-7663-121-9
New axial dispersion model for heat exchanger design
Author: W. Roetzel
In: Proceedings of the 13th International Symposium on Heat Transfer and Renewable Sources of Energy,
HTRSE 2010, Szczecin-Miedzyzdroje, Poland, September 09-12, 2010, p. 567-568,
Editors: A. A. Stachel and D. Mikielewicz, © Wydawnistwo Uczelnianie ZUT w Szczecinie 2010,
ISBN 978-83-7663-035-9 (Calosc), ISBN 978-83-7663-056-4
Mean overall heat transfer coefficient in heat exchangers allowing for temperature dependent fluid properties
Authors: W. Roetzel, X. Luo
Paper RW1 in: Proceedings of the Sixth International Conference on Heat Transfer
Fluid Mechanics & Thermodynamics, HEFAT 2008, Pretoria, South Africa, 30 June – 2 July 2008, CD ROM, copyright © HEFAT, ISBN 978-1-86854-691-6.
Fast calculation of direct fire trajectories taking the earth’s rotation into account
Authors: W. Roetzel, W. Czarnetzki, T. Maier
In: Computational Ballistics III, Proceedings of the Third International Conference on Computational Ballistics, June 6-8, 2007, Wessex Institute of Technology, The New Forest, UK, p. 21-30
Eds.: C.A. Brebbia & A.A. Motta, WIT Press, UK, 2007, ISBN 978-1-84564-077-4.
An automated method for synthesizing a multi-stream heat exchanger network based on stream pseudo-temperature
Authors: D. Yuan, Y. Wang, W. Xiao, P. Yao, X. Luo, W. Roetzel
In: Proceedings of the 16th European Symposium on Computer Aided Process Engineering and the 9th International Symposium on Process Systems Engineering, 919/924
Editors: W. Marquardt and C. Pentelides, Elsevier B. V., 2006
Theoretical design and analysis of coldstoragetype carbon dioxide air conditioners
Authors: H. Zhang, Y. Xuan, W. Roetzel, R. Tang
In: Proceedings of 6th JJR Gustav Lorentzen Natural Working Fluids Conference, Session 7c, August 29 – September 1, 2004, Glasgow,UK
Analytical calculation of trajectories using a power law for the drag coefficientvariation with Mach number
Author: W. Roetzel
In: Computational Ballistics II, Proceeding of the Second International Conference on Computational Ballistics, May 18-20, 2005, Cordoba, Spain,S. 303-312
Eds.: V. Sanches-Galves, C.A. Brebbia, A.A. Motta, C.E. Anderson, WIT Press,UK 2005, ISBN 1-84564-015-2
Thermal analysis of heat exchanger networks
Autoren: W. Roetzel, X. Luo
In: Heat Transfer and Renewable Sources of Energy, HTRSE 2004, 439-446
Eds.: J. Mikielewicz und W. Nowak, Technische Hochschule Stettin, ISBN 83-88764-88-8 (calosc), ISBN 83-88764-93-4, 2004.
Study for heat exchanger networks synthesis by integrating a general solution and genetic algorithm
Authors: Z. Li, B. Hua, X. Luo, W. Roetzel
In: Integrated Design & Process Technology, Proceedings of IDPT Symposium, Vol. 1, 14-20
Eds.: A. Ertas, M.M. Tanik, E. Orhun, Society for Design and Process Science, ISSN: 100-89, 2004.
Simultaneous synthesis model of multi-heat exchanger network
Authors: G. Wei, L. Luo, P. Yao, X. Luo, W. Roetzel
Paper ECR1, Proceedings of the 4th European Thermal Sciences Conference, March 29-31, 2004, Birmingham, UK, ISBN 0-9547299-0-0.
Temperature responses of plate-fin heat exchangers considering axial flow dispersion and wall conduction
Authors: T. Zhu, X. Guan, X. Luo, W. Roetzel
Paper HEX2, Proceedings of the 4th European Thermal Sciences Conference, March 29-31, 2004, Birmingham, UK, ISBN 0-9547299-0-0.
Dynamic behaviour of plate-fin heat exchangers based on Pingauds model
Authors: W. Roetzel, X. Luo, X. Guan
Paper HEX2, Proceedings of the 4th European Thermal Sciences Conference, March 29-31, 2004, Birmingham, UK, ISBN 0-9547299-0-0.
Numerical calculation of the transient behaviour of two pure cross-flow heat exchangers coupled by a circulating flow stream
Authors: C. Na Ranong, J. Hapke, W. Roetzel
In: Heat Transfer VIII – Advanced Computational Methods in Heat Transfer, 233-242
Eds.: B. Sunden, C.A. Brebbia, A.C. Mendes, WIT Press, UK, ISBN 1-85312-705-1, 2004.
Study on model predictive control of plate-fin heat exchangers
Authors: X. Guan, G. Cui, M. Li, X. Luo
In: Heat Transfer VIII – Advanced Computational Methods in Heat Transfer, 223-231,
Eds.: B. Sunden, C.A. Brebbia, A.C. Mendes, WIT Press, UK, ISBN 1-85312-705-1, 2004.
Design and operation of heat exchanger networks
Author: W. Roetzel
In: Heat Transfer VIII – Advanced Computational Methods in Heat Transfer, 183-192,
Eds.: B. Sunden, C.A. Brebbia, A.C. Mendes, WIT Press, UK, ISBN 1-85312-705-1, 2004.
Optimal design of heat exchanger networks using a general solution for their thermal performance calculation
Authors: W. Zhou, X. Luo, W. Roetzel
In: Proceedings of the 3rd International Symposium on Heat Transfer and Energy Conservation, Guangzhou, China, 12.-15. Januar 2004, Vol. 2, 1219-1224
Eds.: H. Ben, G. Zengyuan, M. Chongfang et al., South China University of Technology Press, Guangzhou. ISBN 7-5623-2019-5, TK 3, 2004.
Analytical and experimental research on transient response characteristics of heat exchangers
Authors: G. Cui, H. Ma, M. Li, X. Luo, W. Roetzel
In: Energy and Environment, Proceedings of the International Conference on Energy and Environment, Dezember 2003, Shanghai, China, Vol. 1, 916-921
Eds: K. Chen, T.W. Tong und G. Sarlos, Shanghai Scientific and Technical Publishers, ISBN 7-5323-7335-5/TK 22, 2003.
Transients in plate-fin heat exchangers – Analytical solution considering the dynamic behaviour of fins
Authors: X. Guan, N. Li, X. Luo, W. Roetzel
In: Energy and Environment, Proceedings of the International Conference on Energy and Environment, Dezember 2003, Shanghai, China, Vol. 1, 912-915
Eds: K. Chen, T.W. Tong und G. Sarlos, Shanghai Scientific and Technical Publishers, ISBN 7-5323-7335-5/TK 22, 2003.
Dynamic behaviour of multistream plate-fin heat exchangers
Authors: W. Roetzel, X. Luo
In: Energy and Environment, Proceedings of the International Conference on Energy and Environment, Dezember 2003, Shanghai, China, Vol. 1, 869-876
Eds: K. Chen, T.W. Tong und G. Sarlos, Shanghai Scientific and Technical Publishers, ISBN 7-5323-7335-5/TK 22, 2003.
Steady-state and transient behaviour of two heat exchangers coupled by a circulating flow stream
Authors: C. Na Ranong, W. Roetzel, J. Hapke
In: Proceedings of the Second International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Victoria Falls in Livingstone, Zambia, 23.-25. Juni 2003
Editor: J.P. Meyer, CD-ROM, ISBN 0-620-30503-7, HEFAT, Centurion (ZA), 2003.
Heat transfer model for pool boiling on a horizontal tube
Authors: S. K. Das, W. Roetzel
In: Heat Transfer 2002, S. 671-676, Proceedings of the 12th International Heat Transfer Conference
Ed.: J. Taine, 2002 Éditions scientiques et médicales Elsevier SAS, 2002.
Flexibility analysis of multistream heat exchangers
Authors: W. Roetzel, X. Luo
In: Heat Transfer 2002, S. 237-242, Proceedings of the 12th International Heat Transfer Conference
Ed.: J. Taine, 2002 Éditions scientiques et médicales Elsevier SAS, 2002.
Axial dispersion models for heat exchangers
Authors: W. Roetzel, C. Na Ranong
In: 17th UJT National Heat Transfer Conference (Ferrara 1999), G.L. Morini und S. Piva (Herausg.),
Invited Lectures, Dipartimento di Ingegneria, Universita di Ferrara, S. 57-80, 2002.
Dynamic behaviour of heat exchangers
Authors: W. Roetzel, M. Li, X. Luo
In: Heat Transfer VII – Advanced Computational Methods in Heat Transfer,
B. Sunden und C.A. Brebbia (Herausg.), S. 451-460, WIT Press, UK, 2002.
Theoretical and experimental study of axial dispersion in packed-bed heat/mass transfer equipment
Authors: S. K. Das, A. Roy, W. Roetzel, F. Balzereit
In: Compact Heat Exchangers and Enhancement Technology for the Process Industries – 2001, 205-213
Editor: Ramesh K. Shah, Begell House, Inc., New York, Wallingford (UK), 2001.
Treatment of Contaminated Fine-Grianed Soil by Steam-Stripping Techniques
Authors: H. Zang, M. Li, X. Luo, Z. Xu
In: Energy Conversion and Application, Proceedings of the International Conference on Energy Conversion and Application, June 17-20, 2001, Wuhan,
Vol. 2, S. 181-183, Huazhong University of Science and Technology Press, 2001.
Gas-solid reaction in the bed of a rotating kiln
Authors: U. Lüdersen, K. Elgeti, W. Roetzel
In: Proceedings of the Third European Congress of Chemical Engineering, Nürnberg, 26.-28. Juni 2001, CD 063.HTM, 1-9, DECHEMA, Frankfurt/M., 2001.
Transport of PAHs from Soil Particles: A Dispersion Model
Authors: H. Zang, M. Li, W. Huang, X. Luo
In: Proceedings of the 13. School-Seminar of Young Scientists and Specialists on the Physical Principals of Experimental and Mathematical
Simulation of Heat and Mass Transfer and gas Dynamics in Power Plants,
St. Petersburg, Rußland, May 20-25, 2001, Vol. 2, pp. 73-76, MPEI Publishers, Moscow, 2001.
Steady state and transient behaviour of two coupled counterflow heat exchangers
Authors: C. Na Ranong, W. Roetzel
In: Proceedings of the XIII. School-Seminar of Young Scientists and Specialists on Physical Principles of Experimental and Mathematical
Simulation of Heat and Mass Transfer and Gas Dynamics in Power Plants, May 20-25, 2001,
St. Petersburg, Rußland, Volume 2, 459-462, Moscow, MPEI Publishers 2001.
Sensitivity analysis for multistream heat exchangers
Authors: W. Roetzel, X. Luo
In: Proceedings of the XIII. School-Seminar of Young Scientists and Specialists on Physical Principles of Experimental and Mathematical
Simulation of Heat and Mass Transfer and Gas Dynamics in Power Plants, May 20-25, 2001,
St. Petersburg, Rußland, Volume 2, 401-407, Moscow, MPEI Publishers, 2001.
Heat and mass transfer in a packed bed in presence of a thermally dispersive wave
Authors: S. K. Das, A. Roy, W. Roetzel, F. Balzereit
In: Proceedings of the XIII. School-Seminar of Young Scientists and Specialists on Physical Principles of Experimental and Mathematical
Simulation of Heat and Mass Transfer and Gas Dynamics in Power Plants, May 20-25, 2001,
St. Petersburg, Rußland, Volume 2, 24-33, Moscow, MPEI Publishers, 2001.
Application of Code FLOW3D to simulate flow and temperature fields in shell and tube heat exchangers
Authors: R.Q. Hamid, W. Roetzel
In: Advances in Fluid Mechanics III, S. 365-374, Herausg.: M. Rahman und C.A. Brebbia, WIT Press, UK, 2000.
Experimental determination of flow and temperature fields in a shell and tube heat exchanger
Authors: R.Q. Hamid, W. Roetzel
In: Advances in Fluid Mechanics III, S. 355-364, Herausg.: M. Rahman und C.A. Brebbia, WIT Press, UK, 2000.
Theoretical study on the single-blow testing technique considering lateral heat resistance of fins in plate-fin heat exchangers
Authors: X. Luo, W. Roetzel
In: Heat Transfer Science and Technology 2000, 691-696,
Hrsg.: Bu-Xuan Wang, Higher Education Press, Beijing, China, 2000.
Measurement of heat transfer coefficients of supercritical CO2 in a pipe (in chinesischer Sprache)
Authors: H. Zhang, Y. Xuan, W. Roetzel
Proceedings of The National Heat Mass Transfer Conference, 127-129, 2000.
Simultaneous measurement of thermal diffusivity and thermal conductivity coefficient of wood using temperature oscillation method
Authors: N. Putra, W. Roetzel, R.A. Koestoer
In: Proceedings of the International Conference on Fluid and Thermal Energy Conversion 2000, July 2-6, 2000, Bandung, Indonesia,
Proc. ITB, Vol. 32, No. 1, 2000, Supplement, S. 53-60
Herausg.: Aryadi Suwono et. al., Institut Teknologi Bandung.
Temperature distribution in cross-counter flow banks of tubes with alternating tube flow directions
Author: T. Bes
In: Wärmeaustausch und erneuerbare Energiequellen,
Tagungsband VIII Internationales Symposium Szczecin – Leba 18.-20.09.2000, 29-38
Herausg. W. Nowak, Technische Universität Szczecin, 2000.
Stationäres und instationäres Verhalten von zwei gekoppelten Kreuzstromwärmeübertragern mit quervermischtem Umlaufstrom
Authors: C. Na Ranong, W. Roetzel
In: Wärmeaustausch und erneuerbare Energiequellen,
Tagungsband VIII Internationales Symposium Szczecin-Leba 18.-20.09.2000, 269-276
Herausg.: W. Nowak, Technische Universität Szczecin, 2000.
Zur Anwendung der Wilson-Plot-Methode. In: Wärmeaustausch und erneuerbare Energiequellen
Authors: W. Roetzel, C. Na Ranong
Tagungsband VIII Internationales Symposium Szczecin-Leba 18.-20.09.2000, 317-326
Herausg.: W. Nowak, Technische Universität Szczecin, 2000.
Sensitivity analysis of the single-blow transient testing technique
Authors: W. Roetzel, X. Luo
In: Proceedings of the 3rd European Thermal Sciences Conference, Heidelberg, Germany, 10-13 September, 2000, Volume 2, 1149-1154
Herausg.: E.W.P. Hahne, W. Heidemann, K. Spindler; 2000 Edizioni ETS, Pisa.
Developments in Single-Blow Transient Technique and Study on its Accuracy (in Chinese)
Authors: Z. Cai, M. Li, X. Luo
In: Face to Thermal Science in the 21 Century, Higher Education Press, Beijing, S. 243–250, 1999.
Theoretical analysis of cross-flow heat exchangers with alternating flow directions in tubes
Author: T. Bes
In: Progress in Engineering Heat Transfer, Proceedings of the Third Baltic Heat Transfer Conference, Gdánsk, Poland, September 22-24, 1999, 515-524
Herausg.: B. Grochal, J. Mikielewicz, B. Sundén, Institute of Fluid-Flow Machinery Publishers, 1999.
A single blow test for a wavy-perforated plate-and-fin surface considering non-uniform thermal compactness
Authors: H. Zhang, Y. Xuan, W. Roetzel
In: Progress in Engineering Heat Transfer, Proceedings of the Third Baltic Heat Transfer Conference, Gdánsk, Poland, September 22-24, 1999, 607-614
Herausg.: B. Grochal, J. Mikielewicz, B. Sundén; Institute of Fluid-Flow Machinery Publishers 1999.
Consideration of maldistribution in heat exchangers using the hyperbolic dispersion model
Authors: W. Roetzel, J. C. Na Ranong
In: Progress in Engineering Heat Transfer, Proceedings of the Third Baltic Heat Transfer Conference, Gdánsk, Poland, September 22-24, 1999, 569-580
Herausg.: B. Grochal, J. Mikielewicz, B. Sundén; Institute of Fluid-Flow Machinery Publishers 1999.
Temperature oscillation measurement techniques for thermal diffusivity and conductivity
Authors: W. Czarnetzki, W. Roetzel
In: Proceedings of the International Colloquium Modelling of Material Processing, 152-157, University of Latvia, Riga, 1999.
Effectiveness of spiral heat exchanger with variable overall heat transfer coefficient
Authors: T. Bes, W. Roetzel
In: Wärmeaustausch und erneuerbare Energiequellen, Tagungsband: VII Internationales Symposium Wärmeaustausch und erneuerbare Energiequellen,
Szczecin (Stettin)-Swinoujscie(Swinemünde), 07.-09.09.1998, 415/424, Technische Universität Szczecin (Stettin), 1998, ISBN 83-87423-66-1
Heat ignition modelling to an energetic particle exposed to a thermal plasma
Authors: B. Li, W. Roetzel
In: Proceedings of the Eleventh International Heat Transfer Conference, Kyongju,Korea, August 23-28, 1998, Vol. 7, RC 33, 451/456, Taylor & Francis, Levittown, 1998
Transient impulse test technique for heat transfer and axial dispersion coefficients
Authors: K. Zhou, U. Schmidt, X. Luo, W. Roetzel
In: Proceedings of the International Conference Heat Exchangers for Sustainable Development,
Lisbon, Portugal, June 15-18, 1998, 645/652, Instituto Superior Técnico Lisboa 1998
Axial dispersion in shell-and-tube heat exchangers
Authors: W. Roetzel, F. Balzereit
In: Proceedings of the International Conference Heat Exchangers for Sustainable Development,
Lisbon, Portugal, June 15-18, 1998, 569/581, Instituto Superior Técnico Lisboa 1998
Experimental determination of axial dispersion parameters during enhanced heat transfer in compact heat exchanger surfaces
Authors: S. K. Das, B. Spang, F. Balzereit, F, W. Roetzel
In: Proceedings of the International Conference Heat Exchangers for Sustainable Development, Lisbon, Portugal, June 15-18, 1998, 177/187, Instituto Superior Técnico Lisboa 1998
Lockin thermography as a measurement technique in heat transfer
Authors: M. Wandelt, W. Roetzel
In: Quantitative Infrared Thermography QIRT 96 – Eurotherm Series 50, 189/194;
D. Balageas, G. Busse, C.M. Carlomagno (editors), Edizioni ETS, Pisa, 1997
Bestimmung von axialen Dispersionskoeffizienten in Wärmeübertragern aus Verweilzeitmessungen
Authors: F. Balzereit, W. Roetzel
(Kurzfassung eines Postervortrages auf der GVC-Jahrestagung 1997), Chemie Ingenieur Technik 69(1997), 9197, 1324
Photothermische Bestimmung der Temperaturleitfähigkeit mittels laserinduzierter Temperaturschwingungen
Authors: W. Czarnetzki, M. Wandelt, W. Roetzel
(Kurzfassung eines Postervortrages auf der GVC-Jahrestagung 1997), Chemie Ingenieur Technik 69(1997), 9197, 1315
Determination of axial dispersion coefficients in plate heat exchangers using residence time measurements
Authors: F. Balzereit, W. Roetzel
In: Compact Heat Exchangers for the Process Industries, 389/400, editor: Ramesh K. Shah, Bell House, Inc., New York, Wallingford (UK), 1997
Extended temperature oscillation measurement technique for heat transfer and axial dispersion coefficients
Authors: W. Roetzel, X. Luo
In: Compact Heat Exchangers for the Process Industries, 381/388, editor: Ramesh K. Shah, Bell House, Inc., New York, Wallingford (UK), 1997
Temperature oscillation thermography as a measurement technique in heat transfer
Authors: W. Roetzel, M. Wandelt
In: Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1997, Vol. 1, 193/200; M. Giot, F. Mayinger, G. P. Celata (Editors); Edizioni ETS Pisa, 1997
Improved temperature oscillation techniques for measurements of thermal diffusivity and conductivity of insulation materials
Authors: W. Czarnetzki, W. Roetzel
In: Insulation Materials: Testing and Applications: Vol. 3, ASTM STP 1320, R.S. Graves and
R.R. Zarr, Eds., American Society for Testing and Materials, 1997, 355/365
Measurement of thermal diffusivity and conductivity of a multi-layer specimen with temperature oscillation techniques
Authors: W. Czarnetzki, W. Roetzel
In: Thermal Conductivity 23, 492/503; Edited by Wilkes, Dinwiddie, Graves; Technomic Publishing Co. Inc., Lanchester, Basel (1997)
Transient analysis in heat exchangers
Author: W. Roetzel
In: New Developments in Heat Exchangers, 547/575, Gordon and Breach Publishers, OPA Amsterdam B.V., 1996, ISBN 90-5699-512-X, Eds.: Afgan, N. et al.
Thermal analysis of codirected cross-flow heat exchangers
Authors: T. Bes, W. Roetzel
In: New Developments in Heat Exchangers, 517/529, Gordon and Breach Publishers, OPA Amsterdam B.V., 1996, ISBN 90-5699-512-X, Eds.: Afgan, N. et al.
Measuring local heat transfer coefficients on profiled walls of heat exchangers
Authors: F. Mirtsch, W. Roetzel
In: New Developments in Heat Exchangers, 167/177, Gordon and Breach Publishers, OPA Amsterdam B.V., 1996, ISBN 90-5699-512-X, Eds.: Afgan, N. et al.
Temperaturschwingungs-Thermografie als Meßverfahren in der Wärmeübertragung
Authors: M. Wandelt, W. Czarnetzki, W. Roetzel
Chemie Ingenieur Technik (68) 9196, S. 1166, 1996 (Kurzfassung eines Postervortrages auf der GVC-Jahrestagung 1996 in Dortmund)
Messung binärer Diffusionskoeffizienten von Gasen in Wasser mit Hilfe der holographischen Interferometrie
Authors: D. Blömker, W. Roetzel
Chemie Ingenieur Technik (68) 9196, S. 1164, 1996 (Kurzfassung eines Postervortrages auf der GVC-Jahrestagung 1996 in Dortmund)
Effectiveness and thermal properties of heat exchanger with two passes and segmental baffles
Authors: T. Bes, W. Roetzel
In: Proceedings of the Sixth International Symposium on Heat Exchange and Renewable Energy Sources, 15/25, Technical University of Szczecin, 1996, editors: W. Nowak et al., ISBN 83-86359-83-8
Two-dimensional temperature oscillation techniques for measurements of thermal properties
Authors: W. Czarnetzki, W. Roetzel
In: Proceedings of the TIEES-96, First Trabzon International Energy and Environment Symposium, Vol. 2, 561/566,
edited by T. Ayhan et al., Karadeniz Technical University 1996, Turkey,ISBN No: 975-95505-8-X
Estimation of binary mass diffusion coefficients of gases in liquids using holographic interferometry
Authors: W. Roetzel, D. Blömker, W. Czarnetzki
In: Preliminary Proceedings – Volume 1, 2nd International Conference on Inverse Problems in Engineering: Theory and Practice, 9-14 June 1996, Le Croisic, France
Thermal wave analysis for measurements of thermal diffusivity
Authors: W. Czarnetzki, M. Wandelt, W. Roetzel
In: IMTC Proceedings, Volume II, 1195/1199, ISBN 0-7803-3312-8, IEEE Service Center, Piscataway, NY, USA, 1996
Measurement of local heat transfer coefficients with evaporating liquid films using thermal wave analysis
Authors: M. Wandelt, W. Roetzel
In: 2nd European Thermal-Sciences and 14th UIT National Heat Transfer Conference 1996,
Vol. 2, 1015/1021; Editors: G.P. Celata, P. Di Marco, A. Mariani; 1996 Edizioni ETS
Extended axial dispersion model for transient analysis of heat exchangers
Authors: X. Luo, W. Roetzel
In: IMechE Conference Transactions 1995-2, 4th UK National Conference on Heat Transfer, C510/141/95, 411/416, Mechanical Engineering Publications Limited, London 1995
Measurement of heat transfer coefficients in heat exchangers – an alternative to the Wilson plot technique
Authors: W. Roetzel, B. Spang
In: Advances in Engineering Heat Transfer, Proceedings of the Second Baltic Heat Transfer Conference, 299/308, Computational Mechanics Publications, Southampton-Boston 1995,
Editors: B. Sundén, E. Blums, A. Zukauskas
Optimum design of on-line measurements of thermophysical properties using temperature oscillation techniques
Authors: W. Czarnetzki, W. Roetzel
In: Proceedings of the 30th 1995 National Heat Transfer Conference, HTD-Vol. 312, Volume 10, 99/105, ASME 1995, edited by W.J. Bryan and J.V. Beck
Estimation of local convective heat transfer coefficients using thermal wave analysis
Authors: M. Wandelt, W. Roetzel
In: Proceedings of the 30th 1995 National Heat Transfer Conference, HTD-Vol. 312, Volume 10, 87/97, ASME 1995, edited by W.J. Bryan and J.V. Beck
Temperature oscillation measurement techniques in heat transfer
Authors: W. Czarnetzki; M. Wandelt, W. Roetzel
In: Sensor 95 Kongreßband, B 01.4, S. 279/284, ACS Organisations GmbH, 1995
Laminar heat transfer with a general thermal boundary condition relevant to heat exchanger design
Authors: B. Spang, W. Roetzel
In: Heat Transfer 1994, Proceedings of the Tenth International Heat Transfer Conference, Brighton, UK, Vol. 4, 9-HE-20, 435/440
Two dimensional thermal model for a shell-and-tube heat exchanger
Authors: T. Bes, W. Roetzel
In: Heat Transfer 1994, Proceedings of the Tenth International Heat Transfer Conference, Brighton, UK, Vol. 4, 9-HE-4, 351/356
Temperature oscillation techniques for simultaneous measurement of thermal diffusivity and conductivity
Authors: W. Czarnetzki, W. Roetzel
In: The Twelfth Symposium on Thermophysical Properties, Vol. 2, New Techniques 2;
Edited by NIST/ASME, 1994
Temperature oscillation techniques for thermal diffusivity measurement
Authors: W. Czarnetzki, W. Roetzel
In: Thermal Conductivity 22, 275/286; Edited by Timothy W. Tong; Technomic Publishing Company, Inc., Lancester and Basel (1994)
A simple method for correlating vapor-liquid equilibrium data
Authors: A. Corvalán; A. Denk, J. Potthast, W. Roetzel
In: Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993, 705/710;
M. D. Kelleher et al. (Editors); Elsevier Science Publishers B.V., 1993
Effect of baffle/shell leakage flow on heat transfer in shell-and-tube heat exchangers
Authors: W. Roetzel, D. Lee
In: Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993, 345/353;
M. D. Kelleher et al. (Editors); Elsevier Science Publishers B.V., 1993
Measurement of heat transfer coefficient and axial dispersion coefficient using temperature oscillations
Authors: W. Roetzel, X. Luo, Y. Xuan
In: Experimental Heat Transfer, Fluid Mechanics and Thermodynamics 1993, 180/186;
M. D. Kelleher et al. (Editors); Elsevier Science Publishers B.V., 1993
Pure cross-flow with longitudinal dispersion in one fluid
Authors: W. Roetzel, X. Luo
In: Aerospace Heat Exchanger Technology 1993, Proceedings of the First International Conference on Aerospace Heat Exchanger Technology,
Palo Alto, CA, USA, 15-17 February 1993, 403/415;
Edited by R. K. Shah and A. Hashemi, Elsevier Science Publishers B.V., Amsterdam, 1993
Test of a thermal design method considering variable transfer coefficients and heat capacities for cross-flow arrangements
Authors: B. Spang, W. Roetzel
In: Heat Transfer – 3rd UK National Conference Incorporating 1st European Conference on Thermal Sciences – Volume 1, 435/442;
Institution of Chemical Engineers, Rugby UK, Hemisphere Publishing Corporation, New York, 1992
Analysis of transient behaviour of parallel and counterflow heat exchangers using the dispersion model
Authors: W. Roetzel, Y. Xuan
In: Heat Transfer – 3rd UK National Conference Incorporating 1st European Conference on Thermal Sciences – Volume 1, 389/396;
Institution of Chemical Engineers, Rugby UK, Hemisphere Publishing Corporation, New York, 1992
Dispersion model for split-flow heat exchangers
Authors: W. Roetzel, Y. Xuan
In: Recent Advances in Heat Transfer, Proceedings of the First Baltic Heat Transfer Conference, Göteborg, Sweden, August 26-28, 1991, 561/575;
Edited by B. Sundén and A. Zukauskas, Elsevier Science Publishers B.V., Amsterdam, 1992
Approximate theory of spiral heat exchanger
Autsors: T. Bes, W. Roetzel
In: Design and Operation of Heat Exchangers, 223/232; Springer-Verlag Berlin – Heidelberg, 1992
Approximate equations for the design of cross-flow heat exchangers
Authors: B. Spang, W. Roetzel
In: Design and Operation of Heat Exchangers, 125/134; Springer-Verlag Berlin – Heidelberg, 1992
Dispersion model for divided-flow heat exchanger
Authors: W. Roetzel, Y. Xuan
In: Design and Operation of Heat Exchangers, 98/110; Springer-Verlag Berlin – Heidelberg, 1992
Solubilities of gases in electrolytes and sea water under hyperbaric conditions
Authors: B. Spang, A. Corvalán, W. Roetzel
In: Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics 1991, 1589/1597;
Edited by J.E. Keffer, R.K. Shah, E.N. Ganic; Elsevier: New York – Amsterdam – London – Tokyo, 1991
Measurement of local heat transfer coefficients using temperature oscillations
Authors: W. Roetzel, S. Prinzen
In: Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics 1991, 497/504;
Edited by J.E. Keffer, R.K. Shah, E.N. Ganic; Elsevier: New York – Amsterdam – London – Tokyo, 1991
Axial dispersion model for segmentally baffled shell and tube heat exchangers
Authors: B. Spang, W. Roetzel
In: Entropie, Sonderheft: Eurotherm, Heat Transfer in Single Phase Flows – recent developments and enhancement – (1991)
Measuring local heat transfer coefficients by temperature oscillation analysis
Authors: W. Roetzel, S. Prinzen
In: Entropie, Sonderheft: Eurotherm, Heat Transfer in Single Phase Flows – recent developments and enhancement – (1991)
Prediction of gas solubilities and diffusion coefficients in sea water
Authors: A. Corvalán, E.-S. Costea, B. Spang, W. Roetzel
In: Proceedings 3. International Symposium on Underwater Technology, April 9-10, 1991, Geesthacht; GKSS-Forschungszentrum Geesthacht GmbH
Measurement of thermal diffusivity using temperature oscillations
Authors: W. Roetzel; S. Prinzen, Y. Xuan
In: Thermal Conductivity 21, 201/207; Edited by C.J. Cremers and H.A. Fine; Plenum Press, New York and London (1990)
Effective mean temperature difference in segmentally baffled shell and tube heat exchangers
Authors: W. Roetzel, B. Spang
In: Proceedings of The Ninth International Heat Transfer Conference, Jerusalem, Israel,
August 19-24, 1990, Vol. 5, 14-HX-14, 79/84
Thermal calculation of multipass shell and tube heat exchangers
Authors: W. Roetzel, B. Spang
In: Proceedings of the Second UK National Conference on Heat Transfer, Glasgow, Sept. 14 – 16th, 1988, Vol. 1, C 116/88, 773/785
Gas solubility in natural waters – a thermodynamic approach
Authors: A. Corvalán, W. Roetzel
In: Proceedings 2. International GUSI-Symposium – Underwater Technology -,15 – 16 June 1987, Geesthacht/Hamburg; GKSS-Forschungszentrum Geesthacht GmbH
Heat exchanger design with variable transfer coefficients for crossflow and mixed flow arrangements
Author: W. Roetzel
In: Volume S75 of the Conference on Heat Transfer and the Design and Operation of Heat
Exchangers, pp.ROET 1-43. University of the Witwatersrand Johannesburg, Republic of South Africa,17.-19.04.1974.
Letzte Änderung: 14. January 2022