A new loss circulation control strategy combining a cross-linkable polymer and magnetic fluid
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.05.076
Abstract: Abstract This work aims to evaluate a new loss of circulation control mechanism combining a smart fluid based on a mixture of a cross-linkable polymer (PVA) solution and magnetic microparticles. This new technology joins the… read more here.
Keywords: circulation control; loss circulation; loss; cross linkable ... See more keywords
Cusp catastrophe model for plugging pressure prediction of lost circulation control in fractured reservoirs
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106705
Abstract: Abstract Lost circulation is one of the most common and costly problems in drilling. The stability of the plugging zone is a key factor determining the lost circulation control. In this paper, an analytical model… read more here.
Keywords: lost circulation; model; plugging zone; circulation control ... See more keywords
Research on circulation control mechanisms based on Lagrangian dynamics
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0233849
Abstract: Circulation control technology greatly improves an aircraft's aerodynamic efficiency by employing high-speed jets at the wing's trailing edge, which generates the Coanda effect. This paper analyzes and reveals the mechanism of circulation control from the… read more here.
Keywords: control; jet; lagrangian dynamics; research circulation ... See more keywords
Shape and parameter optimizations on a high-lift configuration with flap-based circulation control
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0281056
Abstract: Circulation control is a prominent active flow control method that can delay the boundary layer transition and enhance aerodynamic performance. However, the coupling of jet and airfoil parameters makes it challenging to derive the optimal… read more here.
Keywords: lift; control; circulation control; shape parameter ... See more keywords
Roll aerodynamic characteristics study of an unmanned aerial vehicle based on circulation control technology
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/0954410017744583
Abstract: To explore the control efficiency of circulation flow control technology, a circulation control actuator with an independent gas source has been designed and applied in roll attitude control of a small unmanned aerial vehicle. The… read more here.
Keywords: circulation control; control; unmanned aerial; control technology ... See more keywords
Dynamic Response of Circulation Control for Step and Sinusoidal Inputs
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Aircraft"
DOI: 10.2514/1.c037042
Abstract: A numerical study of the dynamic performance of a circulation controlled (CC) airfoil is performed to explore the feasibility of using circulation control as means of gust suppression. Steady and unsteady two-dimensional computational fluid dynamics… read more here.
Keywords: step sinusoidal; response; circulation; circulation control ... See more keywords
Numerical Simulation of Circulation Control for a Wing Section Using Coanda Jets
Sign Up to like & getrecommendations! Published in 2024 at "AIAA Journal"
DOI: 10.2514/1.j064571
Abstract: Large-eddy simulations were carried out to describe the subsonic flow over a wing section, using Coanda-jet circulation control to augment lift. The section geometry consists of a modified supercritical airfoil, with a jet that is… read more here.
Keywords: control; circulation control; wing section; jet ... See more keywords
Flow Control over the Blunt Trailing Edge of Wind Turbine Airfoils Using Circulation Control
Sign Up to like & getrecommendations! Published in 2018 at "Energies"
DOI: 10.3390/en11030619
Abstract: A new partial circulation control (PCC) method is implemented on the blunt trailing edge DU97-Flatback airfoil, and compared with the traditional full circulation control (FCC) based on numerical analysis. When the Coanda jet is deactivated,… read more here.
Keywords: trailing edge; circulation control; pcc; control ... See more keywords