منابع مشابه
Topographic venting
Quantification of topographic venting of boundary layer air to the free troposphere S. Henne, M. Furger, S. Nyeki , M. Steinbacher, B. Neininger, S. F. J. de Wekker , J. Dommen, N. Spichtinger, A. Stohl †, and A. S. H. Prévôt Paul Scherrer Institut, Villigen, Switzerland University of Essex, Colchester Essex, UK MetAir AG, Illnau, Switzerland Lehrstuhl für Bioklimatologie und Immissionsforschun...
متن کاملVenting Optimization of a Pulse
A one-dimensional method-of-characteristics (MOC) code was developed to examine the venting of pulse detonation engines. Comparison with experimental results and twodimensional computational fluid dynamics demonstrates that a reasonably accurate level of simulation can be achieved with a single spatial dimension. A semi-empirical, deflagrative, flame-acceleration model was also constructed and ...
متن کاملEvaluation of Soil Venting Application
The ability of soil venting to inexpensively remove large amounts of volatile organic compounds (VOCs) from contaminated soils is well established. However, the time required using venting to remediate soils to low contaminant levels often required by state and federal regulators has not been adequately investigated. Most field studies verify the ability of a venting system to circulate air in ...
متن کاملVenting of Turbidity Currents: When to Act?
During floods, sediments are transported from watersheds into reservoirs, slowly decreasing water volumes and this leading to economic losses. Thus, in the long term, sedimentation endangers reservoirs’ sustainability. Sediments can also block low-level hydraulic structures such as bottom outlets and powerhouse intakes and cause abrasion of gates and turbines. Additionally, the trapped sediment...
متن کاملVenting dynamics of an immersed granular layer.
Air is injected locally at the base of an immersed granular bed. The gas, which is forced to flow gently through the material, creates several paths between the grains. We observe that the latter gas venting results in the emission of bubbles in a localized region at the free surface. Additional experiments, performed in two dimensions, permit a direct visualization of the paths, and a theoreti...
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ژورنال
عنوان ژورنال: Frontline Gastroenterology
سال: 2019
ISSN: 2041-4137,2041-4145
DOI: 10.1136/flgastro-2019-101273