Atmospheric penetration of exhaust plumes under rarefied flow conditions
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چکیده
منابع مشابه
Numerical Investigation of Shock Tube Flow under Rarefied Conditions
Two-dimensional Direct Simulation Monte Carlo (DSMC) simulations are carried out for investigating the shock wave propagation and boundary layer effects in a shock tube flow, for a wide range of rarefied conditions. Nitrogen is used for all simulations. The Cercignani-Lampis-Lord (CLL) model of gas surface interactions is implemented to study the effects of boundary layer which develops behind ...
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The breakdown of the continuum equations of gas dynamics under conditions of rarefied flow is considered. The conditions of breakdown are of interest in assessing the physical accuracy of continuum solutions, in understanding the mathematical relations between different sets of continuum transport equations, and play a significant role in the development of hybrid methods that use both continuu...
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Numerical meshes of both cork and carbon fibre ablative materials in their virgin and pyrolised states, with realistic porosity and tortuosity, have been created from micro-computed tomography (μCT) scans. The porosity of each material has been calculated from the μCT scans and used to extract smaller representative sample volumes to perform numerical simulations on. Direct simulation Monte Car...
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Rockets are the only direct anthropogenic emission sources into the upper atmosphere. Gaseous rocket emissions include CO, N2, H2, H2O, and CO2, while solid rocket motors (SRM) additionally inject signi¦cant amounts of aluminum oxide (Al2O3) particles and gaseous chlorine species into the atmosphere. These emissions strongly perturb local atmospheric trace gas and aerosol distributions. Here, t...
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A human ex vivo thrombosis model was used to investigate whether recombinant annexin V (rANV) can prevent thrombus formation under venous and arterial blood flow conditions. In this model, blood from an antecubital vein of healthy donors was allowed to flow directly over the extracellular matrix of tumor necrosis factor-stimulated endothelial cells (TNF-ECMs). TNF-ECMs were preincubated with rA...
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ژورنال
عنوان ژورنال: Quarterly of Applied Mathematics
سال: 1976
ISSN: 0033-569X,1552-4485
DOI: 10.1090/qam/99659