Numerical Simulation Studies on Stall Suppression of a NACA0015 Airfoil
Journal Title: Invention Journal of Research Technology in Engineering & Management - Year 2019, Vol 3, Issue 3
Abstract
This study aims to achieve an improved airfoil performance at low Reynolds number, and to determine the optimum position and size of rectangular cross-section burst control plate (BCP) to suppress stall in airfoil. The type of airfoil used in the present study is NACA0015 (National Advisory Committee for Aeronautics) airfoil with 200 mm of chord (c) length. Here, rectangular cross-section burst control plates with different sizes and at different locations are investigated numerically at the low Reynolds number of 1.6×105 . Total of three positions (0.05c, 0.1c and 0.2c from the leading edge of airfoil), and four sizes (with heights 0.3 mm, 0.7mm, 1mm and 1.5 mm, and constant width 4 mm) of rectangular BCPs are simulated in ANSYS Fluent software using Transition SST model. The results indicate that the rectangular cross-section burst control plate is an effective device in the suppression of airfoil stall. For 0.7 mm and 1 mm height BCPs, the stall angle is postponed by 2° for all positions, while for 0.3 mm and 1.5 mm height BCPs, the reduction in sudden fall of lift can be observed but at the cost of reduction in maximum lift coefficient. Among various configurations, the 1mm height BCP located at 0.2c position is found to be most effective in the suppression of stall.
Authors and Affiliations
Biswash Shrestha
Keywords
Related Articles
- EP ID EP646588
- DOI -
- Views 105
- Downloads 0
Positive and negative solutions of a boundary value problem for a fractional -difference equation
In this work, we study a boundary value problem for a fractional q, -difference equation. By using the monotone iterative technique and lower-upper solution method, we get the existence of positive or negative solutions...
Study of consumers satisfaction and demand for fast food chains: The case of Pizza Hut in Mongolia
Nowadays fast food chains expanding to its largest around the world to provide consumer needs. In recent years, fast food chains started to migrate and claim its business in Ulaanbaatar. It is reported that consumers hav...
Rural Livelihood and Food Security: Insights from Srilanka Tapu of Sunsari District, Eastern Nepal
Food security is the foremost need of every human society. It is a fundamental right and government responsibility but still food insecurity is prevalent in rural areas of least developed nations. To cope with food insec...
Food Safety: A Primer
Public health is directly or indirectly affected by the food supply. Food safety is a public health issue which has become a global problem. Since food is necessary for human survival, a food safety crisis can cause wide...
Food Sovereignty: A Primer
Food sovereignty is a movement growing from the farmers, agricultural workers, people, and landless workers. It is an ongoing global struggle over control of food, land, water, and livelihoods. It asserts that people mus...