Search Results - "Durst, Franz"

Numerical simulations of single phase reacting flows in randomly packed fixed-bed reactors and experimental validation by Freund, Hannsjörg, Zeiser, Thomas, Huber, Florian, Klemm, Elias, Brenner, Gunther, Durst, Franz, Emig, Gerhard

“…Randomly packed fixed-bed reactors are widely used in the chemical process industries. Their design is usually based on pseudo-homogeneous model equations with…”
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Linear analysis of the temporal instability of axisymmetrical non-Newtonian liquid jets by Brenn, Günter, Liu, Zhengbai, Durst, Franz

“…The temporal instability behavior of non-Newtonian liquid jets moving in an inviscid gaseous environment is investigated theoretically for axisymmetrical…”
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Dynamic optimization of multiple-zone air impingement drying processes by Barttfeld, Mariana, Alleborn, Norbert, Durst, Franz

“…This article introduces a mathematical programming model for the rigorous optimization of multiple-zone air impingement dryers for drying thin liquid films on…”
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Flame front stability of low calorific fuel gas combustion with preheated air in a porous burner by Wang, Guanqing, Tang, Pengbo, Li, Yuan, Xu, Jiangrong, Durst, Franz

“…The flame front stabilization of low calorific fuel gas (LCFG) combustion with preheated air was investigated numerically in a burner filled with Al2O3 ceramic…”
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Influence of the Surface Viscosity on the Hydrodynamic Resistance and Surface Diffusivity of a Large Brownian Particle by Danov, Krassimir, Aust, Richard, Durst, Franz, Lange, Ulrich

“…The present paper treats the problem of the slow motion of a spherical particle, partially immersed in a viscous liquid. It relates to the theory of Brenner…”
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Three-dimensional simulation of flow and thermal field in a Czochralski melt using a block-structured finite-volume method by Basu, Biswajit, Enger, Sven, Breuer, Michael, Durst, Franz

“…The three-dimensional and time-dependent turbulent flow field and heat transfer of the melt in a Czochralski crystal growth process were predicted using an…”
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Numerical study of three-dimensional mixed convection due to buoyancy and centrifugal force in an oxide melt for Czochralski growth by Enger, Sven, Basu, Biswajit, Breuer, Michael, Durst, Franz

“…Mixed convection due to buoyant and centrifugal forces in the crucible of a Czochralski apparatus has a significant effect on the quality and stability of…”
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Extended Navier-Stokes Equations and Treatments of Micro-Channel Gas Flows by Nishanth DONGARI, Rajamani SAMBASIVAM, Franz DURST

“…Gas flows in micro-channels are, in general, theoretically treated with the Maxwell slip velocity as a boundary condition for the convection velocity at the…”
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Pulsating Flows: Experimental Equipment and Its Application by ÜNSAL, Bülent, DURST, Franz

“…Investigations of time-dependent laminar and transitional flows need accurate and reproducible generation of the flow as a function of time. For this purpose,…”
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Pressure-driven diffusive gas flows in micro-channels: from the Knudsen to the continuum regimes by Dongari, Nishanth, Sharma, Ashutosh, Durst, Franz

“…Despite the enormous scientific and technological importance of micro-channel gas flows, the understanding of these flows, by classical fluid mechanics,…”
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Laminar-to-Turbulent Transition of Pipe Flows Triggered by Wall-Mounted, Ring-Type Obstacles by Durst, Franz, Breuer, Michael, Ünsal, Bülent, Haddad, Kais

“…The literature stresses the inherent stability of laminar pipe flows with parabolic velocity profiles and this paper refers to the relevant publications…”
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Precise Method for Measuring the Shear Surface Viscosity of Surfactant Monolayers by Petkov, Jordan T, Danov, Krassimir D, Denkov, Nikolai D, Aust, Richard, Durst, Franz

“…A conceptually new and highly sensitive method for determining the shear surface viscosity of adsorbed or spread surfactant monolayers at a gas−liquid…”
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Measurement of the Drag Coefficient of Spherical Particles Attached to Fluid Interfaces by Petkov, Jordan T., Denkov, Nikolai D., Danov, Krassimir D., Velev, Orlin D., Aust, Richard, Durst, Franz

“…The drag coefficient, β, of spherical particles attached to a pure air-water interface is determined. The method is based on the measurement of the particle…”
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Predicting microscale gas flows and rarefaction effects through extended Navier–Stokes–Fourier equations from phoretic transport considerations by Dongari, Nishanth, Durst, Franz, Chakraborty, Suman

“…We test an extended continuum-based approach for analyzing micro-scale gas flows over a wide range of Knudsen number and Mach number. In this approach,…”
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Development length of sinusoidally pulsating laminar pipe flows in moderate and high Reynolds number regimes by Ray, Subhashis, Ünsal, Bülent, Durst, Franz

“…► In this study, the development lengths of sinusoidal pulsating laminar pipe flows were numerically investigated. ► The results are presented in terms of…”
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Twin-jet Spray and Drop-impingement Spray Injectors for Engine Applications by Etzold, Mathias, Betz, Gerald, Durst, Franz

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Twin-jet sprays to improve high-pressure diesel injection systems by Durst, Franz, Han, Yu

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Shear orientation of nematic phases of clay nanosheets: processing of barrier coatings by Röhrl, Maximilian, Mettke, Judith H., Rosenfeldt, Sabine, Schmalz, Holger, Mansfeld, Ulrich, Timmins, Renee L., Habel, Christoph, Breu, Josef, Durst, Franz

“…When suspensions are exposed to shear forces, the particles may form ordered structures depending on their shapes, concentrations, and the material. For some…”
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A Low-power Liquid-fuelled Burner Using a Novel Atomization Concept by Goßmann, Ann-Kathrin, Müller, Thomas, Kühn, Johannes, Etzold, Mathias, Stelzner, Björn, Zarzalis, Nikolaos, Durst, Franz, Trimis, Dimostenis

“…The design of and experimental results for a low-power heating oil burner, operating between 1.25 and 5.1 kW with exhaust gas emissions within the normative…”
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Analysis of heat transfer in simultaneously developing pulsating laminar flow in a pipe with constant wall temperature by Chattopadhyay, Himadri, Durst, Franz, Ray, Subhashis

“…Numerical studies of flow and heat transfer in a circular tube under pulsating flow condition were carried out in the laminar regime. The flow at the inlet…”
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