Experimental Investigation on Phase Separation of Sprays in Trans- and Super-critical Conditions (dtec.bw Project MaST)
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Summary
Experimental investigation focused on the phase separation of sprays under transcritical and supercritical conditions.
About
Highly accomplished aerospace engineer with extensive experience in space propulsion, combustion, and fluid dynamics, leveraging deep expertise in experimental and numerical research to advance cutting-edge technologies. Proven leader in academic instruction and international scientific collaboration, with a strong record of impactful publications and patents. Committed to driving innovation and fostering knowledge exchange within the aerospace and mechanical engineering fields.
Interests
Research Interests
Space Propulsion, Aerospace Engines, Injectors and Sprays, Combustion, Fluid Dynamics, Thermodynamics, Space Mobility, Advanced Mobility.
Work
Universität der Bundeswehr München
|Lecturer
München, Bavaria, Germany
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Summary
Delivering advanced academic instruction in space propulsion, shaping the next generation of aerospace engineers.
Highlights
Delivering comprehensive lectures and practical sessions on Space Propulsion (Raumfahrtantriebe) to advanced engineering students, fostering expertise in cutting-edge aerospace technologies.
Institute of Thermodynamics, Universität der Bundeswehr München
|Research Associate
München, Bavaria, Germany
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Summary
Leading experimental investigations into phase separation of sprays under extreme conditions for the dtec.bw Project (MaST).
Highlights
Led experimental investigations into phase separation of sprays under transcritical and supercritical conditions for the dtec.bw Project (MaST), advancing fundamental understanding of propulsion fluid dynamics.
Designed and constructed a high-pressure and high-temperature testbench, enabling novel experimental setups for extreme condition research.
Implemented advanced optical and laser diagnostics for precise analysis of spray characteristics and combustion phenomena.
Performed rigorous data reduction and conducted comprehensive qualitative and quantitative analyses to derive actionable insights from experimental results, contributing to multiple publications.
German Aerospace Center (DLR) – Institute of Space Propulsion
|Post-Doctoral Researcher
Lampoldshausen, Baden-Württemberg, Germany
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Summary
Executed experimental and numerical research on combustion instability and data analysis for rocket combustors.
Highlights
Conducted experimental and numerical research on injector-driven combustion instability in BKD research rocket combustors, identifying critical parameters for stable operation.
Analyzed extensive data on low-frequency combustion instability from the LUMEN Methane rocket combustor, contributing to design improvements for enhanced reliability and performance.
Collaborated with international teams on propulsion system optimization, contributing to advancements in space propulsion technology.
Korea Aerospace University
|Post-Doctoral Researcher
Goyang, Gyeonggi-do, Korea (Republic of)
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Summary
Contributed to five research projects focused on aerospace propulsion systems, including rocket and gas-turbine engines.
Highlights
Actively participated in 5 distinct research projects focusing on advanced aerospace propulsion systems, including rocket and gas-turbine engines, contributing to project milestones and deliverables.
Conducted experiments and data collection for propulsion system performance analysis, supporting ongoing research initiatives.
Prepared technical reports and presentations summarizing research findings, facilitating knowledge dissemination within the research group.
Korea Aerospace University
|Lecturer
Goyang, Gyeonggi-do, Korea (Republic of)
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Summary
Provided specialized instruction in combustion engineering to aerospace students.
Highlights
Delivered specialized lectures on Combustion principles to aerospace engineering students, enhancing their foundational knowledge in propulsion systems.
Guided students through complex theoretical concepts and practical applications of combustion, preparing them for advanced studies and industry roles.
Volunteer
Advanced Mobility Expert Network (AMExNet)
|Organizer
Unknown, Unknown, Unknown
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Summary
Organizing initiatives for the Advanced Mobility Expert Network, fostering collaboration of academia and industry.
Highlights
Organizes key initiatives and events for AMExNet, promoting knowledge exchange and networking among mobility experts.
Europe-Korea Conference on Science and Technology
|Session Chair
Unknown, Unknown, Unknown
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Summary
Chairing sessions in Mechanical and Aerospace Technology at a prominent international conference.
Highlights
Chairs sessions in Mechanical and Aerospace Technology at the Europe-Korea Conference on Science and Technology, facilitating expert discussions and presentations among international researchers.
Korea Technology Advisory Group (K-TAG) by KIAT
|Member
Unknown, Unknown, Korea (Republic of)
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Summary
Advising on aerospace systems, engineering, and technology for K-TAG.
Highlights
Provides expert advisory services on Aerospace Systems, Engineering, and Technology as a member of the Korea Technology Advisory Group (K-TAG) by KIAT, influencing national technology roadmaps.
European Korean Association of Mechatronics and Aerospace (EKAMA)
|General Affairs Director
Unknown, Europe, EU
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Summary
Managing general affairs for the European Korean Association of Mechatronics and Aerospace.
Highlights
Oversees general affairs for EKAMA, facilitating operational efficiency and member engagement across European and Korean scientific communities.
Korean Scientists and Engineers Association in Germany (VeKNI e.V.)
|Leader of Mechanical Engineering Group
Unknown, Germany, Germany
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Summary
Leading the Mechanical Engineering Group and organizing events for 220 members.
Highlights
Leads the Mechanical Engineering Group for VeKNI e.V., organizing workshops and seminars for 220 members to foster professional development and networking.
Korea-EU Research Centre (KERC)
|Member of Supporters
Unknown, Europe, EU
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Summary
Contributing to the dissemination of EU aerospace research and policy trends.
Highlights
Publishes EU trend reports on research and policies in the aerospace field, informing strategic discussions and fostering international collaboration.
Europe-Korea Conference on Science and Technology 2023 (EKC 2023)
|Local Committee Member
Unknown, Unknown, Unknown
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Summary
Served as a Local Committee Member for the EKC 2023, supporting an event that attracted approximately 800 participants.
Highlights
Contributed as a Local Committee Member for the Europe-Korea Conference on Science and Technology 2023 (EKC 2023), successfully supporting an event that attracted approximately 800 participants.
Education
Universität der Bundeswehr München
München, Bavaria, Germany
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Habilitation
Thermodynamics
Korea Aerospace University
Goyang, Gyeonggi-do, Korea (Republic of)
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Ph.D.
Aerospace and Mechanical Engineering
Courses
Dissertation: Correlations between Spray and Combustion Characteristics of a Movable Pintle Injector for Liquid Rocket Engines
Korea Aerospace University
Goyang, Gyeonggi-do, Korea (Republic of)
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M.E.
Aerospace and Mechanical Engineering
Courses
Thesis: Optimal Design Methods for Regenerative-cooled Combustor and Fuel-rich Gas-generator of Liquid Rocket Engine
Korea Aerospace University
Goyang, Gyeonggi-do, Korea (Republic of)
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B.E.
Aerospace and Mechanical Engineering
Projects
Experimental Investigation of Combustion Instabilities in Liquid Propellant Rocket Engine
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Summary
Post-doctoral research at DLR investigating combustion instabilities in liquid propellant rocket engines induced by fluid-mechanical driving sources in the primary injector.
Development of a Low Emission Combustor for 25kN Aero Gas Turbine
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Summary
Contribution to the Aerospace Parts and Technology Development Program for a 25kN aero gas turbine combustor.
Suppression Technique of Transverse Disturbance Propagation in Liquid Rocket Combustor
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Summary
Research under the Space Core Technology Development Program on using fluidic baffles to suppress transverse disturbance propagation in liquid rocket combustors.
Phase Change and Jet Breakup of Heterogeneous Hydrocarbon Mixture in Supercritical Environment
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Summary
Basic Science Research Program focused on the phase change and jet breakup characteristics of heterogeneous hydrocarbon mixtures in supercritical environments.
Spray and Combustion Characteristics of a Pintle Injector for Variable Thrust Rocket
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Summary
Research at the Advanced Space Propulsion Research Center on the spray and combustion characteristics of pintle injectors for variable thrust rockets.
Combustion of Gas-Liquid Propellants in Supercritical Conditions
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Summary
Research under the Space Core Technology Development Program on the combustion of gas-liquid propellants in supercritical conditions.
An Experimental Research on Internal Flow of Solid Rocket Motor
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Summary
Experimental research focusing on the internal flow dynamics of solid rocket motors.
Experimental Study on Pulse Detonation Engines (NRF-RFBR Joint Research Program)
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Summary
Experimental study on pulse detonation engines as part of the NRF(Korea)-RFBR(Russia) Joint Research Program, focusing on fundamentals of modern thrust generators.
Publications
Deconvolution of Infrared Spray Images using Optical Depth from Shadowgraphy
Published by
12th European Combustion Meeting
Summary
Presented methods for deconvoluting infrared spray images using optical depth from shadowgraphy.
Microscopic Observation of Fuel Droplet Phase Change in High-Pressure and High-Temperature Environments
Published by
Thermodynamik-Kolloquium 2024
Summary
Presented microscopic observations of fuel droplet phase changes in extreme high-pressure and high-temperature environments.
Macroscopic Fuel Spray Characteristics at Sub/Transcritical Injection Conditions
Published by
31. Fachtagung "Experimentelle Strömungsmechanik"
Summary
Discussed macroscopic fuel spray characteristics under sub/transcritical injection conditions.
Environmental Impact of Rocket Launches in New Space Era
Published by
Europe-Korea Conference on Science and Technology 2024
Summary
Discussed the environmental impact of rocket launches in the context of the new space era.
Dynamic Spectral Analysis of Transcritical Sprays
Published by
Europe-Korea Conference on Science and Technology 2024
Summary
Presented dynamic spectral analysis techniques for transcritical sprays.
Near-critical Phase Changes of Cyclopentane Droplets in Supercritical Nitrogen Environment
Published by
The Combustion Institute's 40th International Symposium
Summary
Presented findings on near-critical phase changes of cyclopentane droplets in a supercritical nitrogen environment.
Integrated Optical Diagnostics of Cyclopentane Sprays to Characterize Transcritical Phase Transitions
Published by
21st International Symposium on Application of Laser and Imaging Techniques to Fluid Mechanics
Summary
Discussed integrated optical diagnostics for characterizing transcritical phase transitions in cyclopentane sprays.
Comparison of Imaging Methods for Transcritical Sprays
Published by
31. Deutscher Flammentag für nachhaltige Verbrennung
Summary
Compared various imaging methods for analyzing transcritical sprays.
Experimental and Numerical Investigation of Cyclopentane Sprays in Transcritical Environment
Published by
ILASS Europe 2023, 32nd Conference on Liquid Atomization & Spray Systems
Summary
Presented experimental and numerical investigations of cyclopentane sprays in a transcritical environment.
Application of Machine Learning Approaches to Model the Temporal Evolution of Fuel Sprays
Published by
ILASS Europe 2023, 32nd Conference on Liquid Atomization & Spray Systems
Summary
Demonstrated the application of machine learning approaches to model the temporal evolution of fuel sprays.
Phase Change Characteristics of Cyclopentane Droplets at Near-critical Conditions
Published by
Europe-Korea Conference on Science and Technology 2023
Summary
Discussed phase change characteristics of cyclopentane droplets at near-critical conditions.
Optical Characterization of Sub- and Transcritical Fuel Sprays using Shadowgraphy, Mie-scattering and Infrared Radiation Measurements
Published by
11th European Combustion Meeting (ECM 2023)
Summary
Presented optical characterization methods for sub- and transcritical fuel sprays using various imaging techniques.
Experimental and modeling analysis of the transient spray characteristics of cyclopentane at sub-and transcritical conditions using a machine learning approach
Published by
Physics of Fluids
Summary
Conducted experimental and modeling analysis of transient cyclopentane spray characteristics using machine learning.
Investigation of sub- and transcritical fuel spray processes using shadowgraphy, Mie scattering and infrared radiation measurements
Published by
Thermodynamik-Kolloquium 2022
Summary
Detailed investigations of sub- and transcritical fuel spray processes using advanced measurement techniques.
Spectral Analysis of Multi-dimensional Periodic Data: Application to Rocket Combustion Instability
Published by
Europe-Korea Conference on Science and Technology 2022
Summary
Applied spectral analysis to multi-dimensional periodic data for understanding rocket combustion instability.
Optical Diagnostics for Fuel Sprays in a High-Pressure and High-Temperature Chamber
Published by
Europe-Korea Conference on Science and Technology 2022
Summary
Presented optical diagnostics techniques for fuel sprays in high-pressure and high-temperature chambers.
Visualization of cavitation and periodical flow fluctuations from a rocket injector orifice
Published by
19th International Symposium on Flow Visualization (ISFV-19)
Summary
Presented visualizations of cavitation and periodical flow fluctuations originating from a rocket injector orifice.
Experimental study of intra-injector flow fluctuations induced by a LOX injector orifice driving combustion instability
Published by
Symposium on Thermoacoustics in Combustion: Industry meets Academia (SoTiC 2020)
Summary
Conducted an experimental study on intra-injector flow fluctuations induced by a LOX injector orifice driving combustion instability.
Numerical study of acoustic resonance in a LOX injector post induced by orifice flow
Published by
AIAA Propulsion and Energy 2021 Forum
Summary
Performed a numerical study on acoustic resonance in a LOX injector post induced by orifice flow.
Velocimetry of a LOX jet in a high-pressure combustion field from high-speed flame images
Published by
ODAS(ONERA-DLR Aerospace Symposium)-MOTAR(Measurement and Optical Techniques for Aerospace Research) 2021
Summary
Presented velocimetry measurements of a LOX jet in a high-pressure combustion field using high-speed flame images.
Characterisation of acoustically coupled flow field dynamics from high-speed imaging in a high pressure rocket thrust chamber
Published by
1st Aerospace Europe Conference (AEC2020)
Summary
Characterized acoustically coupled flow field dynamics using high-speed imaging in high-pressure rocket thrust chambers.
Combustion stability characteristics of a sub-scale LOX/LNG rocket thrust chamber
Published by
1st Aerospace Europe Conference (AEC2020)
Summary
Analyzed combustion stability characteristics of sub-scale LOX/LNG rocket thrust chambers.
Measuring the velocity field of a shear-coaxial, cryogenic flame in a high-pressure rocket thrust chamber
Published by
38th International Symposium on Combustion 2020
Summary
Detailed the measurement of velocity fields in shear-coaxial, cryogenic flames within high-pressure rocket thrust chambers.
Flame Structure of Gaseous Methane/Oxygen in a Pintle Injector
Published by
11th International Symposium on Special Topics in Chemical Propulsion & Energetic Materials 2018
Summary
Presented on the flame structure of gaseous methane/oxygen in a pintle injector.
Numerical Study on the Combustion Characteristics of a Fuel-centered Pintle Injector for Methane Rocket Engines
Published by
Third IAA Symposium of Space Flight Safety 2016
Summary
Conducted a numerical study on the combustion characteristics of fuel-centered pintle injectors for methane rocket engines.
GCH4-Air Flame Characteristics of a Pintle Injector Designed for Liquid Rocket Engines in Atmospheric Condition
Published by
8th Asian Joint Conference on Propulsion and Power 2016
Summary
Investigated GCH4-air flame characteristics of a pintle injector designed for liquid rocket engines under atmospheric conditions.
Design Procedure of a Movable Pintle Injector for Liquid Rocket Engines
Published by
54th AIAA Aerospace Sciences Meeting 2016
Summary
Presented a design procedure for movable pintle injectors for liquid rocket engines.
Verification on Spray Simulation of a Pintle Injector for Liquid Rocket Engine
Published by
12th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows 2015
Summary
Presented verification of spray simulation for pintle injectors in liquid rocket engines.
Cone Angle Characteristics of Pintle Injector spray at Atmospheric Condition
Published by
8th Asian-Pacific Conference on Aerospace Technology and Science 2015
Summary
Analyzed cone angle characteristics of pintle injector sprays under atmospheric conditions.
Reliability Study on Spray Performances of a Pintle Injector for Liquid Rocket Engines based on Sensitivity Analysis
Published by
3rd International Conference on Materials and Reliability 2015
Summary
Conducted a reliability study on the spray performances of pintle injectors for liquid rocket engines using sensitivity analysis.
Development of a Moveable Sleeve Injector with a Fixed Pintle for a Throttleable Rocket Combustor
Published by
66th International Astronautical Congress 2015
Summary
Developed a movable sleeve injector with a fixed pintle for throttleable rocket combustors.
Effects of Pintle-tip Angles on Spray Characteristics of Movable Pintle Injector
Published by
13th International Conference on Liquid Atomization and Spray Systems 2015
Summary
Investigated the effects of pintle-tip angles on spray characteristics of movable pintle injectors.
Flow Disturbance Characteristics on Fin-slot Shaped Grain Simulator of Solid Rocket Motor with Submerged Nozzle
Published by
Space Propulsion 2014
Summary
Analyzed flow disturbance characteristics on a fin-slot shaped grain simulator of a solid rocket motor with a submerged nozzle.
Liquid Jets Breakup and Mixing Characteristics from a Pintle Injector
Published by
26th European Conference on Liquid Atomization and Spray Systems 2014
Summary
Investigated liquid jet breakup and mixing characteristics from a pintle injector.
Design Optimization of Methane-fuel Rocket Combustor with Genetic Algorithm
Published by
8th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems 2014
Summary
Optimized the design of a methane-fuel rocket combustor using a genetic algorithm.
Liquid Sheet Breakup by Gas Jet Injected from Pintle Injector
Published by
5th Asian Joint Workshop on Thermophysics and Fluid Science 2014
Summary
Studied liquid sheet breakup caused by gas jet injection from a pintle injector.
Detonation Characteristics of Acetylene-oxygen with Additional Liquid Fuel
Published by
21st International Symposium on Air Breathing Engines Conference 2013
Summary
Investigated the detonation characteristics of acetylene-oxygen with additional liquid fuel.
Fundamental Study on Detonation Wave Characteristics of Acetylene-Oxygen Mixture for Pulse Detonation Engine
Published by
24th International Colloquium on the Dynamics of Explosions and Reactive Systems 2013
Summary
Conducted a fundamental study on detonation wave characteristics of acetylene-oxygen mixtures for pulse detonation engines.
Development of Design Methods for Kerosene Fuel-rich Gas-generator and Preburner
Published by
Asian Joint Conference on Propulsion and Power 2012
Summary
Developed design methods for kerosene fuel-rich gas-generators and preburners.
Computational Design Method for Main Combustor Profile and Regenerative Cooling Channel Shape of Liquid Rocket Engine
Published by
2nd International Conference on Computational Design in Engineering 2012
Summary
Developed a computational design method for the main combustor profile and regenerative cooling channel shape of liquid rocket engines.
Experimental Study on Detonation Characteristics of Acetylene and Oxygen Mixture
Published by
Hong Kong International Conference on Engineering and Applied Science 2012
Summary
Conducted an experimental study on detonation characteristics of acetylene and oxygen mixtures.