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Journal Articles

Professor Satish G. Kandlikar on His 70th Birthday

Mohamed M. Awad, Daniel Attinger, Adrian Bejan, Ali Beskok, Gian Piero Celata, Stéphane Colin, Vijay K. Dhir, Paolo Di Marco, Srinath V. Ekkad, Srinivas Garimella, Masahiro Kawaji, Michael R. King, Norbert Kockmann, Jon Kriegel, Sushanta K. Mitra, Saeed Moghaddam, Yuri S. Muzychka, Vinod Narayanan, Gherhardt Ribatski, S. A. Sherif, Masahiro Shoji, Peter Stephan, John R. Thome, Patricia B. Weisensee
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Guest Editorial
J. Thermal Sci. Eng. Appl. December 2020, 12(6): 060301.
Paper No: TSEA-20-1603
https://doi.org/10.1115/1.4048813
Published Online: November 24, 2020
View Articletitled, Professor Satish G. Kandlikar on His 70th Birthday
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Topics: Engineering teachers, Heat transfer
Proceedings Papers

3D Investigation of Droplet Generation in a Miniaturized Coflowing Device Using Micro-Computed Tomography

Julia Schuler, Laura Maria Neuendorf, Kai Petersen, Norbert Kockmann
Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T16A004, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2020-1061
https://doi.org/10.1115/ICNMM2020-1061
View Paper titled, 3D Investigation of Droplet Generation in a Miniaturized Coflowing Device Using Micro-Computed Tomography
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Topics: Drops, Water, Artificial neural networks, Computerized tomography, Flow (Dynamics), Image processing, Imaging, Physics, Polymers
Proceedings Papers

Temperature-Controlled Minichannel Flow-Cell for Non-Invasive Particle Measurements in Solid-Liquid Flow

Mira Schmalenberg, Fabian Sallamon, Christian Haas, Norbert Kockmann
Proc. ASME. ICNMM2020, ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels, V001T16A005, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2020-1062
https://doi.org/10.1115/ICNMM2020-1062
View Paper titled, Temperature-Controlled Minichannel Flow-Cell for Non-Invasive Particle Measurements in Solid-Liquid Flow
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Topics: Flow (Dynamics), Particulate matter, Temperature, Crystals, Crystallization, Sensors, Drugs, Ethylene-propylene rubber, Evaluation methods, Image processing
Proceedings Papers

Investigation of Multiphase Interfaces in Small Channels Using Micro CT

Julia Schuler, Norbert Kockmann
Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T02A001, June 23–26, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2019-4203
https://doi.org/10.1115/ICNMM2019-4203
View Paper titled, Investigation of Multiphase Interfaces in Small Channels Using Micro CT
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Topics: Fluids, Image processing, Imaging, Mass transfer, Multiphase flow, Shapes, X-rays
Proceedings Papers

Non-Invasive Temperature Measurement for Polyimid-Based Microstructured Devices

Jens Bobers, Felix Reichmann, Jakob Zimmermann, Norbert Kockmann
Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A001, June 23–26, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2019-4207
https://doi.org/10.1115/ICNMM2019-4207
View Paper titled, Non-Invasive Temperature Measurement for Polyimid-Based Microstructured Devices
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Topics: Temperature measurement, Temperature sensors, Aluminum, Dimensions, Electrical resistance, Geometry, Heat transfer, Manufacturing engineering, Process control, Resolution (Optics)
Proceedings Papers

Design and Scale-up of Modular Capillary Helical Flow Inverter Reactors With Narrow Residence Time Distribution

Norbert Kockmann, Waldemar Krieger, Mira Schmalenberg
Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A003, June 23–26, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2019-4237
https://doi.org/10.1115/ICNMM2019-4237
View Paper titled, Design and Scale-up of Modular Capillary Helical Flow Inverter Reactors With Narrow Residence Time Distribution
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Topics: Design, Flow (Dynamics), Pressure, Chemical processes, Laminar flow, Pipes, Reynolds number
Proceedings Papers

Development of a Manufacturing Process for Polyimide-Based Microstructured Devices Using Reactive Ion Etching

Jens Bobers, Maurice Hesselmann, Arndt-Christian Schneider, Jakob Zimmermann, Norbert Kockmann
Proc. ASME. ICNMM2019, ASME 2019 17th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A002, June 23–26, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2019-4208
https://doi.org/10.1115/ICNMM2019-4208
View Paper titled, Development of a Manufacturing Process for Polyimide-Based Microstructured Devices Using Reactive Ion Etching
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Topics: Manufacturing, Reactive-ion etching, Geometry, Drops, Etching, Flow (Dynamics), Surface roughness, Anisotropy, Chemical engineering, Experimental design
Proceedings Papers

Mixing Time Scale Measurement With Fast Exothermic Reactions Using Microchannel Reaction Calorimetry

Felix Reichmann, Yannick Jirmann, Norbert Kockmann
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A001, June 10–13, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2018-7627
https://doi.org/10.1115/ICNMM2018-7627
View Paper titled, Mixing Time Scale Measurement With Fast Exothermic Reactions Using Microchannel Reaction Calorimetry
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Topics: Calorimetry, Microchannels, Flow (Dynamics), Heat flux, Diffusion (Physics), Heat, Pumps, Resolution (Optics), Vortices
Proceedings Papers

Active Sensors for Gas-Liquid Mass Transfer Studies in Capillaries

Waldemar Krieger, Robin Dinter, Georg Wiese, Santer zur Horst-Meyer, Norbert Kockmann
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A003, June 10–13, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2018-7659
https://doi.org/10.1115/ICNMM2018-7659
View Paper titled, Active Sensors for Gas-Liquid Mass Transfer Studies in Capillaries
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Topics: Mass transfer, Sensors, Bubbles, Flow (Dynamics), Analytical methods, Particulate matter, Heat, Signals, Slug flows, Ultrasonic transducers
Proceedings Papers

Miniaturized Tubular Cooling Crystallizer With Solid-Liquid Flow for Process Development

Mira Schmalenberg, Lukas Hohmann, Norbert Kockmann
Proc. ASME. ICNMM2018, ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels, V001T02A006, June 10–13, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2018-7660
https://doi.org/10.1115/ICNMM2018-7660
View Paper titled, Miniaturized Tubular Cooling Crystallizer With Solid-Liquid Flow for Process Development
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Topics: Cooling, Flow (Dynamics), Crystallization, Crystals, Design, Drugs, Engineering prototypes, Temperature profiles, Water
Proceedings Papers

Internal Jet Formation During Bubble Generation in Microchannels

Felix Reichmann, Moritz Koch, Sarah Körner, Norbert Kockmann
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T08A002, August 27–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2017-5545
https://doi.org/10.1115/ICNMM2017-5545
View Paper titled, Internal Jet Formation During Bubble Generation in Microchannels
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Topics: Bubbles, Microchannels, Micronozzles, Bubbly flow, Flow (Dynamics), Fluid dynamics, Jets, Nozzles, Pressure, Thread
Proceedings Papers

Investigation of Bubble Breakup in Laminar, Transient, and Turbulent Regime Behind Micronozzles

Felix Reichmann, Moritz-Julian Koch, Norbert Kockmann
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A001, August 27–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2017-5540
https://doi.org/10.1115/ICNMM2017-5540
View Paper titled, Investigation of Bubble Breakup in Laminar, Transient, and Turbulent Regime Behind Micronozzles
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Topics: Bubbles, Micronozzles, Transients (Dynamics), Turbulence, Microchannels, Flow (Dynamics), Nozzles, Bubbly flow, Mass transfer, Two-phase flow
Proceedings Papers

Method to Visualize Local Mass Transfer and Chemical Selectivity of Gas-Liquid Reaction in Coiled Capillaries

Waldemar Krieger, Jan Lamsfuß, Norbert Kockmann
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T13A002, August 27–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2017-5538
https://doi.org/10.1115/ICNMM2017-5538
View Paper titled, Method to Visualize Local Mass Transfer and Chemical Selectivity of Gas-Liquid Reaction in Coiled Capillaries
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Topics: Mass transfer, Flow (Dynamics), Bubbles, Heat, Microchannels, Needles, Oxidation, Resolution (Optics), Slug flows, Vortices
Proceedings Papers

Seebeck Calorimeter for the Characterization of Highly Exothermic Reactions in a Microreactor Made From PVDF-Foils

Felix Reichmann, Stefan Millhoff, Yannick Jirmann, Norbert Kockmann
Proc. ASME. ICNMM2017, ASME 2017 15th International Conference on Nanochannels, Microchannels, and Minichannels, V001T13A003, August 27–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2017-5539
https://doi.org/10.1115/ICNMM2017-5539
View Paper titled, Seebeck Calorimeter for the Characterization of Highly Exothermic Reactions in a Microreactor Made From PVDF-Foils
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Topics: Calibration, Calorimetry, Design, Enthalpy, Heat, Heat flux, Heat transfer, Resolution (Optics), Sensors, Sodium
Proceedings Papers

Micro-/Milli-Fluidic Heat-Exchanger Characterization by Non-Invasive Temperature Sensors

Lukas Hohmann, Safa Kutup Kurt, Naser Pouya Far, Daniel Vieth, Norbert Kockmann
Proc. ASME. ICNMM2016, ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels, V001T12A002, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2016-8008
https://doi.org/10.1115/ICNMM2016-8008
View Paper titled, Micro-/Milli-Fluidic Heat-Exchanger Characterization by Non-Invasive Temperature Sensors
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Topics: Heat exchangers, Temperature sensors, Cooling, Errors, Heat transfer coefficients, Fluids, Heating, Insulation, Plastic foam, Polymer foams
Proceedings Papers

Investigation of Bubble Break-Up in Microchannel Orifices

Felix Reichmann, Alexander Tollkötter, Norbert Kockmann
Proc. ASME. ICNMM2016, ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A008, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2016-8048
https://doi.org/10.1115/ICNMM2016-8048
View Paper titled, Investigation of Bubble Break-Up in Microchannel Orifices
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Topics: Bubbles, Microchannels, Orifices, Flow (Dynamics), Energy dissipation, Eddies (Fluid dynamics), Micronozzles, Oscillations, Bubbly flow, Chemical processes
Proceedings Papers

Modular Concept of a Smart Scale Helically Coiled Tubular Reactor for Continuous Operation of Multiphase Reaction Systems

Safa Kutup Kurt, Mohd Akhtar, Krishna Deo Prasad Nigam, Norbert Kockmann
Proc. ASME. ICNMM2016, ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels, V001T13A001, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2016-8004
https://doi.org/10.1115/ICNMM2016-8004
View Paper titled, Modular Concept of a Smart Scale Helically Coiled Tubular Reactor for Continuous Operation of Multiphase Reaction Systems
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Topics: Calcium hydroxide, Carbon dioxide, Chemical reactions, Filtration, Flow (Dynamics), Gases, Heat transfer, Industrial research, Laminar flow, Microscale devices
Proceedings Papers

High Flow Rate Micro Orifice Dispersion of Gas-Liquid Flow

Alexander Tollkoetter, Norbert Kockmann, Florian Schirmbeck, Jens Wesholowski
Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T04A055, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2015-48221
https://doi.org/10.1115/ICNMM2015-48221
View Paper titled, High Flow Rate Micro Orifice Dispersion of Gas-Liquid Flow
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Topics: Flow (Dynamics), Bubbles, Orifices, Dimensions, Pressure, Bubbly flow, Computational fluid dynamics, Deformation, Engineering simulation, Glass
Proceedings Papers

Two-Phase Flow and Mass Transfer in Helical Capillary Flow Reactors With Alternating Bends

Safa Kutup Kurt, Krishna Deo Prasad Nigam, Norbert Kockmann
Proc. ASME. ICNMM2015, ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels, V001T03A014, July 6–9, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2015-48416
https://doi.org/10.1115/ICNMM2015-48416
View Paper titled, Two-Phase Flow and Mass Transfer in Helical Capillary Flow Reactors With Alternating Bends
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Topics: Flow (Dynamics), Mass transfer, Two-phase flow, Slug flows, Ethylene-propylene rubber, Geometry, Heat transfer, Microscale devices, Temperature, Transport phenomena
Proceedings Papers

A Modular Microfluidic System for High Flow Rate Re-Dispersion of Gas-Liquid

Alexander Tollkoetter, Norbert Kockmann
Proc. ASME. ICNMM2014, ASME 2014 12th International Conference on Nanochannels, Microchannels and Minichannels, V001T03A017, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICNMM2014-22048
https://doi.org/10.1115/ICNMM2014-22048
View Paper titled, A Modular Microfluidic System for High Flow Rate Re-Dispersion of Gas-Liquid
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Topics: Flow (Dynamics), Microfluidics, Bubbles, Pressure, Nozzles, Micronozzles, Computational fluid dynamics, Deformation, Design, Dimensions