Author(s): Wenxin Huai; Zhonghua Yang
Linked Author(s): Zhonghua Yang, Wenxin Huai
Keywords: Buoyant Jets; Rigid Bottom Boundary; Numerical Simulation; Axial Velocity
Abstract: The k-ε turbulent model is used to obtain a mathematical model of vertical, turbulent, planar buoyant jets with rigid horizontal bottom boundary. The Hybrid Finite Analytic Method and a staged grid are used to calculate the whole field of this flow pattern. The axial velocity, density and turbulent kinetic energy, the k-balance in different sections, streamline and density contours for whole field are obtained by numerical simulation. The prediction results show that the whole field of the vertical, turbulent, planar buoyant jets with rigid horizontal bottom boundary can be divided into three regions, namely issuing region, entrainment region and impingement region. The axial velocity decreases gradually in the issuing region and impingement region.
Year: 2005