Numerical simulation of pollutant dispersion near obstacle based on k - ɛ turbulence closure scheme
نویسندگان
چکیده
منابع مشابه
Numerical Simulation of Separation Bubble on Elliptic Cylinders Using Three-equation k-? Turbulence Model
Occurrence of laminar separation bubbles on solid walls of an elliptic cylinder has been simulated using a recently developed transitional model for boundary layer flows. Computational method is based on the solution of the Reynolds averaged Navier-Stokes (RANS) equations and the eddy-viscosity concept. Transitional model tries to simulate streamwise fluctuations, induced by freestream turbulen...
متن کاملNumerical simulation of scalar dispersion downstream of a square obstacle
The analysis of scalar dispersion in turbulent flows is relevant for a broad range of applications, including investigation of hazardous releases, bio-terrorism and control of air quality. In the last 50 years, experimental and numerical investigations of canonical flows, such as turbulent boundary layers (Fackrell & Robins 1982) or grid-generated turbulence (Livescu et al. 2000), have enhanced...
متن کاملInference of turbulence parameters from a ROMS simulation using the k- closure scheme
1463-5003/$ see front matter 2013 Elsevier Ltd. All rights reserved. http://dx.doi.org/10.1016/j.ocemod.2013.08.008 ⇑ Corresponding author. Present address: Department of Oceanography, MS 3146, Texas A&M University, College Station, TX 77843-3146, United States. Tel.: +1 979 845 5472. E-mail addresses: [email protected] (K.M. Thyng), [email protected] (J.J. Riley), [email protected] (J. Tho...
متن کاملA numerical scheme for space-time fractional advection-dispersion equation
In this paper, we develop a numerical resolution of the space-time fractional advection-dispersion equation. We utilize spectral-collocation method combining with a product integration technique in order to discretize the terms involving spatial fractional order derivatives that leads to a simple evaluation of the related terms. By using Bernstein polynomial basis, the problem is transformed in...
متن کاملNumerical analysis of a pollutant dispersion in subsurface soil
A hydraulic scale model was used in a laboratory experiment for the purpose of understanding the characteristics of a pollutant dispersion in subsurface soil. The experimental site was an area near a radioactive waste repository in the Republic of Korea. The hydraulic scale model was designed and manufactured in geometric similarity to the actual site. The tracer 99mTc which has a short half-li...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Vietnam Journal of Mechanics
سال: 2002
ISSN: 0866-7136,0866-7136
DOI: 10.15625/0866-7136/24/4/6622