Numerical Study of Turbulent Pulsating Flow in RectangularNarrow Channel with Periodically Mounted Longitudinal Vortex Generators on One Sidewall

WU Feng; WANG Qiuwang; WANG Ling; WANG Gang; HUANG Jun; HUANG Yanping

Mar. 2007

Article Contents

Article Navigation > Nuclear Power Engineering > 2007 > 28(1): 63-67

WU Feng, WANG Qiuwang, WANG Ling, WANG Gang, HUANG Jun, HUANG Yanping. Numerical Study of Turbulent Pulsating Flow in RectangularNarrow Channel with Periodically Mounted Longitudinal Vortex Generators on One Sidewall[J]. Nuclear Power Engineering, 2007, 28(1): 63-67.

Citation:

PDF( 330 KB)

Numerical Study of Turbulent Pulsating Flow in RectangularNarrow Channel with Periodically Mounted Longitudinal Vortex Generators on One Sidewall

1. State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, 710049, China;
2. School of CivilEngineering and City Construction, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, China;
3. National Key Laboratory of Bubble Physics & Natural Circulation, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2005-09-08
Rev Recd Date: 2005-11-30

Available Online: 2025-07-21

Abstract

Abstract

The turbulent pulsating flow and heat transfer in a rectangular narrow channel with periodically mounted Longitudinal Vortex Generators（LVGs） on one sidewall was numerically investigated by solving three-dimensional unsteady elliptical Navier-Stokes equations.The standard k～ε turbulent model was adopted.The dynamic response of fluid outlet temperature and the heat transfer of the LVGs were numerically analyzed in a pulsating period,and it was further investigated by changing the frequency of the pulsating flow.It was found that the pulsating flow could enhance the heat transfer of LVGs when the pulsating frequency increasing,and then the heat transfer of LVGs was improved.
- Pulsating flow,
- Longitudinal vortex generators,
- Dynamic behavior,
- Numerical simulation