About: Abstract Gaspers are prevalently installed in aircraft and automobiles to provide supplementary ventilation and improve passengers’ thermal comfort. This investigation employed the SST k − ω model to simulate gasper-induced jet flow with the use of detailed gasper geometry, and validated the simulation results using experimental data. The validated CFD results not only revealed the mixing mechanism of a gasper-induced jet with ambient air, but also enabled the development of two mathematical models for characterizing the jet development along the gasper axis and radial velocity profiles in the downstream region. Furthermore, these models enabled the prediction of the entrainment ratio at different locations along a gasper-induced jet, and this ratio was used to evaluate the impact of the jet on air quality in a passenger’s breathing zone. The performance of the CFD model and mathematical models was evaluated, and the models were compared on the basis of prediction accuracy and computing time.

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About: Abstract Gaspers are prevalently installed in aircraft and automobiles to provide supplementary ventilation and improve passengers’ thermal comfort. This investigation employed the SST k − ω model to simulate gasper-induced jet flow with the use of detailed gasper geometry, and validated the simulation results using experimental data. The validated CFD results not only revealed the mixing mechanism of a gasper-induced jet with ambient air, but also enabled the development of two mathematical models for characterizing the jet development along the gasper axis and radial velocity profiles in the downstream region. Furthermore, these models enabled the prediction of the entrainment ratio at different locations along a gasper-induced jet, and this ratio was used to evaluate the impact of the jet on air quality in a passenger’s breathing zone. The performance of the CFD model and mathematical models was evaluated, and the models were compared on the basis of prediction accuracy and computing time. Goto Sponge NotDistinct Permalink

An Entity of Type : fabio:Abstract, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	abstract
value	Abstract Gaspers are prevalently installed in aircraft and automobiles to provide supplementary ventilation and improve passengers’ thermal comfort. This investigation employed the SST k − ω model to simulate gasper-induced jet flow with the use of detailed gasper geometry, and validated the simulation results using experimental data. The validated CFD results not only revealed the mixing mechanism of a gasper-induced jet with ambient air, but also enabled the development of two mathematical models for characterizing the jet development along the gasper axis and radial velocity profiles in the downstream region. Furthermore, these models enabled the prediction of the entrainment ratio at different locations along a gasper-induced jet, and this ratio was used to evaluate the impact of the jet on air quality in a passenger’s breathing zone. The performance of the CFD model and mathematical models was evaluated, and the models were compared on the basis of prediction accuracy and computing time.
subject	Temperature Computational fluid dynamics Geometry Computational fields of study Fluid dynamics »more»
part of	Modeling of gasper-induced jet flow and its impact on cabin air quality
is abstract of	Modeling of gasper-induced jet flow and its impact on cabin air quality
is hasSource of	covid:ann/target/27eb29aab303dee141758cff8ae0ba1ebc406ab4 covid:ann/target/e45c3fe2fb00f9c4738c63d4bdf9d61861e3e588 covid:ann/target/aa7b0ebddf8e91f78432afe5f59c09c72645da70 covid:ann/target/399d648b611dafe88fe880e254d466984353a28c covid:ann/target/47a8700ebdb6ea9e17d6c5505c4e729ad6f3784d »more»

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