Large Eddy Simulation of Swirling Jet in a Bluff-Body Burner
スポンサーリンク
概要
- 論文の詳細を見る
The large eddy simulation (LES) is applied to an unconfined swirling flow of an air surrounding a bluff-body having a central jet of air, and the complicated flow field that involves the recirculation and vortex breakdown is investigated. The Smagorinsky model is used as the sub-grid scale model. The results of the present numerical simulation are compared with the experimental data of the mean and stochastic root mean square (RMS) variations of two velocity components. Although the inflow conditions are specified in a simple manner, the obtained numerical results are in a reasonable agreement with the experiments, except for a part of RMS variation values behind the bluff body. The present numerical calculations can successfully reproduce the characteristics of the flow, i.e., an upstream recirculation region established just downstream of the burner plane. Additionally, the flow field is much different by the swirl number and axial velocity of the primary swirling air. Especially the additional recirculation region is established at the more downstream location in the lower swirl number and higher axial velocity of the primary swirling air.
- 一般社団法人日本機械学会の論文
- 2006-11-15
著者
-
FUJIMOTO Yohei
Department of Medical Technology, Nagoya University School of Health Sciences
-
Fujimoto Yohei
Department Of Aeronautics And Astronautics Kyushu University
-
YAMASAKI Nobuhiko
Nagoya Guidance & Propulsion Systems Works, Mitsubishi Heavy Industries, Ltd.
-
Yamasaki Nobuhiko
Nagoya Guidance & Propulsion Systems Works Mitsubishi Heavy Industries Ltd.
-
YAMASAKI Nobuhiko
Nagoya Guidance & Propulsion Systems Works, Mitsubishi Heavy Industries, Ltd.
関連論文
- Altered Brain Penetration of Diclofenac and Mefenamic Acid, but Not Acetaminophen, in Shiga-Like Toxin II-Treated Mice
- The Pharmacokinetic Properties of Methamphetamine in Rats with Previous Repeated Exposure to Methamphetamine: The Differences between Long-Evans and Wistar Rats
- Large Eddy Simulation of Swirling Jet in a Bluff-Body Burner
- Remifentanil increases the incidence of mesenteric traction syndrome : preliminary randomized controlled trial
- Flurbiprofen axetil provides a prophylactic benefit against mesenteric traction syndrome associated with remifentanil infusion during laparotomy