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Modelo predictivo para el flujo turbulento confinado a paredes
I Marusic1, R Mathis, N Hutchins
1Department of Mechanical Engineering, University of Melbourne, Victoria 3010, Australia. imarusic@unimelb.edu.au
Science (New York, N.Y.)
|July 10, 2010
Resumen
Predecir la turbulencia cercana a la pared, crucial para la resistencia aerodinámica y el clima, es un desafío. Un nuevo modelo matemático utiliza datos de la capa límite externa para pronosticar este movimiento complejo de fluidos, ayudando a la ingeniería y la meteorología.
Área de la Ciencia:
- La dinámica de fluidos es la dinámica de fluidos.
- La aerodinámica es muy importante.
- Meteorología Meteorología.
Sus antecedentes:
- El movimiento del fluido turbulento cerca de los límites sólidos es difícil de predecir.
- Estas capas cercanas a la pared impactan significativamente la resistencia aerodinámica y los fenómenos atmosféricos.
- Las mediciones y simulaciones precisas en estas regiones son técnicamente difíciles.
Objetivo del estudio:
- Desarrollar un modelo matemático para predecir la turbulencia cercana a la pared.
- Para utilizar la información de la capa límite externa a gran escala para las predicciones.
- Mejorar las estrategias para el control de turbulencias y mejorar las simulaciones.
Principales métodos:
- Desarrollo de un nuevo modelo matemático.
- Utilizando datos a gran escala de la capa límite externa.
- Concéntrese en predecir el comportamiento en la desafiante región cercana a la pared.
Principales resultados:
- Se ha establecido una capacidad predictiva para la turbulencia cercana a la pared.
- El modelo aprovecha la información de la capa límite externa de manera efectiva.
- Potencial para un mejor control de la turbulencia y simulaciones.
Conclusiones:
- El modelo propuesto ofrece un nuevo enfoque para comprender y predecir la turbulencia cercana a la pared.
- Esta capacidad predictiva puede avanzar en la ingeniería y el pronóstico del tiempo.
- Un mayor desarrollo puede conducir a nuevas estrategias de control de la turbulencia.
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