This paper illustrates an overview of current research activities in the working group 'Electromagnetic Processing of Materials' of the department Inorganic-Nonmetallic Materials.These are 'Electromagnetic...This paper illustrates an overview of current research activities in the working group 'Electromagnetic Processing of Materials' of the department Inorganic-Nonmetallic Materials.These are 'Electromagnetic module to flow impact in special melting plants for the production of High-tech glasses', 'Numerical study of EM controlled flow in crystallizers of inorganic materials', 'Design,test and optimization of sophisticated magnet systems for Lorentz force velocimetry in electrially low conducting fluids', 'Magnetic ion manipulation in glass melts with Kelvin force', 'Electromechanical dry t'me milling of raw materials' and 'Synthesis,characterization and application of Titatium doped hexaferrites'.The primary results are presented here.展开更多
The paper presents a Halbach array magnet system(HAMS)for the application within a very first Lorentz force velocimetry(LFV)experiment for electrolytic flows.Here the design,assembling procedure and characterization m...The paper presents a Halbach array magnet system(HAMS)for the application within a very first Lorentz force velocimetry(LFV)experiment for electrolytic flows.Here the design,assembling procedure and characterization method are presented under consideration of the strict limited weight of the system.HAMS increase the Lorentz force outcome by a factor of three compared to the currently used simple magnet systems.Furthermore the fluid profile influence on a LFV measurement on electrolytes is investigated numerically-directly on the planned test setup-and presented for the first time.Here the Lorentz forces,generated by the HAMS,decreases by 8%comparing an ideal plug-like profile at the inlet with a semi-parabolic profile arising near the outlet of the experiment.展开更多
The paper demonstrated the feasibility of Lorentz Force Velocimetry for flow rate measurements of weakly conducting electrolytes using experimental results on salt water flow exposed to a permanent magnet system.This ...The paper demonstrated the feasibility of Lorentz Force Velocimetry for flow rate measurements of weakly conducting electrolytes using experimental results on salt water flow exposed to a permanent magnet system.This innovative flow measurement technique allows the non-contact determination of flow rates and relies on the interaction between a magnetic field and a moving conducting fluid.When an electrically conducting fluid moves through the magnetic field a Lorentz force is generated and acts on the measurement system.The present report provides an overview about the experimental setups and the first measurement results.展开更多
基金Item Sponsored by the Deutsche Forschungsgemeinschaft (DFG) Thüringer Aufbaubank (TAB) or by Other Bilateral Projects
文摘This paper illustrates an overview of current research activities in the working group 'Electromagnetic Processing of Materials' of the department Inorganic-Nonmetallic Materials.These are 'Electromagnetic module to flow impact in special melting plants for the production of High-tech glasses', 'Numerical study of EM controlled flow in crystallizers of inorganic materials', 'Design,test and optimization of sophisticated magnet systems for Lorentz force velocimetry in electrially low conducting fluids', 'Magnetic ion manipulation in glass melts with Kelvin force', 'Electromechanical dry t'me milling of raw materials' and 'Synthesis,characterization and application of Titatium doped hexaferrites'.The primary results are presented here.
基金Item Sponsored by German Research Foundation (DFG) within the Research Training Group"Lorentz Force Velocimetry and Lorentz Force Eddy Current Testing" (RTG-1567/1)
文摘The paper presents a Halbach array magnet system(HAMS)for the application within a very first Lorentz force velocimetry(LFV)experiment for electrolytic flows.Here the design,assembling procedure and characterization method are presented under consideration of the strict limited weight of the system.HAMS increase the Lorentz force outcome by a factor of three compared to the currently used simple magnet systems.Furthermore the fluid profile influence on a LFV measurement on electrolytes is investigated numerically-directly on the planned test setup-and presented for the first time.Here the Lorentz forces,generated by the HAMS,decreases by 8%comparing an ideal plug-like profile at the inlet with a semi-parabolic profile arising near the outlet of the experiment.
基金Item Sponsored by German Science Foundation (Deutsche Forschungsgemeinschaft) in the framework of theResearch Training Group (Graduiertenkolleg) "Lorentz Force Velocimetry and Lorentz Force Eddy Current Testing"(GRK 1567/1)at Ilmenau University of Technology
文摘The paper demonstrated the feasibility of Lorentz Force Velocimetry for flow rate measurements of weakly conducting electrolytes using experimental results on salt water flow exposed to a permanent magnet system.This innovative flow measurement technique allows the non-contact determination of flow rates and relies on the interaction between a magnetic field and a moving conducting fluid.When an electrically conducting fluid moves through the magnetic field a Lorentz force is generated and acts on the measurement system.The present report provides an overview about the experimental setups and the first measurement results.