Michael Klaas
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View article: Comparative analysis of the flow in a realistic human airway
Comparative analysis of the flow in a realistic human airway Open
Accurate simulations of the flow in the human airway are essential for advancing diagnostic methods. Many existing computational studies rely on simplified geometries or turbulence models, limiting their simulation's ability to resolve flo…
View article: Optical in Situ Analysis of Gas Bubble Evolution in Electrochemical Machining Based on Similarity Theory Using Particle Image Velocimetry
Optical in Situ Analysis of Gas Bubble Evolution in Electrochemical Machining Based on Similarity Theory Using Particle Image Velocimetry Open
Numerical simulations are used to shorten the tool development process for precise electrochemical machining. However, these simulations are often based on simplified models that disregard bubble transport or have not been validated. There…
View article: Analysis Of PIV Images Of Transonic Buffet Flow By Recurrent Deep Learning Based Optical Flow Prediction
Analysis Of PIV Images Of Transonic Buffet Flow By Recurrent Deep Learning Based Optical Flow Prediction Open
In the past few years, several algorithms have been proposed that leverage deep learning techniques within the data analysis workflow of particle-image velocimetry (PIV) experiments. This emerging body of work has shown that deep learning …
View article: Analysis of the in-cylinder flow of a DISI engine using high-speed particle image velocimetry
Analysis of the in-cylinder flow of a DISI engine using high-speed particle image velocimetry Open
In addition to exploring electric drives, it is crucial to minimize emissions and improve the efficiency of transport based on internal combustion engines (ICE). For these, in particular, a significant reduction of emissions as well as a c…
View article: Allicin as a Volatile or Nebulisable Antimycotic for the Treatment of Pulmonary Mycoses: In Vitro Studies Using a Lung Flow Test Rig
Allicin as a Volatile or Nebulisable Antimycotic for the Treatment of Pulmonary Mycoses: In Vitro Studies Using a Lung Flow Test Rig Open
Fungal infections of the lung are an increasing problem worldwide and the search for novel therapeutic agents is a current challenge due to emerging resistance to current antimycotics. The volatile defence substance allicin is formed natur…
View article: Experimental setup for the investigation of the transport of different gas bubble sizes during electrochemical machining based on similarity theory using particle image velocimetry
Experimental setup for the investigation of the transport of different gas bubble sizes during electrochemical machining based on similarity theory using particle image velocimetry Open
The major advantage of electrochemical machining (ECM) is the ability to machine materials regardless of their mechanical properties such as hardness or temperature resistance. This property of the ECM process makes it ideal for processing…
View article: Introduction to the Minitrack on Firm and User Generated Content in the Digital Economy: Key Players, Management and Impact
Introduction to the Minitrack on Firm and User Generated Content in the Digital Economy: Key Players, Management and Impact Open
View article: Unsupervised Recurrent All-Pairs Field Transforms for Particle Image Velocimetry
Unsupervised Recurrent All-Pairs Field Transforms for Particle Image Velocimetry Open
Convolutional neural networks have been successfully used in a variety of tasks and recently have been adapted to improve processing steps in Particle-Image Velocimetry (PIV). Recurrent All-Pairs Fields Transforms (RAFT) as an optical flow…
View article: Analysis of transonic buffet using dynamic mode decomposition
Analysis of transonic buffet using dynamic mode decomposition Open
The buffet flow field around supercritical airfoils is dominated by self-sustained shock wave oscillations on the suction side of the wing. Theories assume that this unsteadiness is driven by a feedback loop of disturbances in the flow fie…
View article: Introduction to the Minitrack on Firm and User Generated Content in the Digital Economy: Key Players, Management and Impact
Introduction to the Minitrack on Firm and User Generated Content in the Digital Economy: Key Players, Management and Impact Open
The Minitrack Content (FGC/UGC) in the Digital Economy takes into account the communication shift from traditional one-way to two-way communication, with content being a means to earn trust with consumers.Content creation by companies is r…
View article: Experimental investigation of the turbulent Schmidt number in supersonic film cooling with shock interaction
Experimental investigation of the turbulent Schmidt number in supersonic film cooling with shock interaction Open
View article: Simultaneous Stereo PIV and MPS3 Wall-Shear Stress Measurements in Turbulent Channel Flow
Simultaneous Stereo PIV and MPS3 Wall-Shear Stress Measurements in Turbulent Channel Flow Open
An extended experimental method is presented in which the micro-pillar shear-stress sensor (MPS 3 ) and high-speed stereo particle-image velocimetry measurements are simultaneously performed in turbulent channel flow to conduct concurrent …
View article: Investigation of the deposition behaviour and antibacterial effectivity of allicin aerosols and vapour using a lung model
Investigation of the deposition behaviour and antibacterial effectivity of allicin aerosols and vapour using a lung model Open
Allicin is a natural antibiotic produced by garlic as a defence against pathogens and pests. Due to the worldwide increase in antibiotic resistance, new antibiotics are desperately required. Allicin is such a candidate and is active agains…
View article: Feasibility of a surface-coated lung model for the quantification of active agent deposition for preclinical studies
Feasibility of a surface-coated lung model for the quantification of active agent deposition for preclinical studies Open
Multiple drug resistance (MDR) of a growing number of bacterial pathogens represents an increasing challenge in conventional curative treatments of infectious diseases. However, the development and testing of new antibiotics is associated …
View article: Features of owl wings that promote silent flight
Features of owl wings that promote silent flight Open
Owls are an order of birds of prey that are known for the development of a silent flight. We review here the morphological adaptations of owls leading to silent flight and discuss also aerodynamic properties of owl wings. We start with ear…
View article: PIV measurements of supersonic slot-film cooling with shock/cooling-film interaction
PIV measurements of supersonic slot-film cooling with shock/cooling-film interaction Open