Adaptive vortex generators based on active hybrid composites: from idea to flight test
Sign Up to like & getrecommendations! Published in 2018 at "CEAS Aeronautical Journal"
DOI: 10.1007/s13272-018-0316-1
Abstract: In this contribution, we present a system of adaptive vortex generators (VGs) enabling an on-demand optimization of the airflow for high angles of attack. The generated vortices enhance the boundary layer with kinetic energy and… read more here.
Keywords: adaptive vortex; active hybrid; flight; hybrid composites ... See more keywords
Influence of Different Arranges of Vortex Generators on Heat Transfer
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Applied and Computational Mathematics"
DOI: 10.1007/s40819-016-0237-9
Abstract: In this paper, effects of flat plate obstacles and rectangular and triangular decorated bars on cooling of a hot bar were investigated experimentally and numerically. The experiments were performed in a wind tunnel with transient… read more here.
Keywords: transfer; arranges vortex; heat transfer; vortex generators ... See more keywords
Numerical study on thermoelectric–hydraulic performance of a thermoelectric power generator with a plate-fin heat exchanger with longitudinal vortex generators
Sign Up to like & getrecommendations! Published in 2017 at "Applied Energy"
DOI: 10.1016/j.apenergy.2016.01.078
Abstract: Abstract In this paper, the effect of longitudinal vortex generators (LVGs) on the performance of a thermoelectric power generator (TEG) with a plate-fin heat exchanger is investigated. A fluid-thermal-electric multi-physics coupled model for the TEG… read more here.
Keywords: teg; longitudinal vortex; power; performance ... See more keywords
Parametric sensitivity analysis and optimisation of a solar air heater with multiple rows of longitudinal vortex generators
Sign Up to like & getrecommendations! Published in 2020 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.114556
Abstract: Abstract This current research is focused on sensitivity analysis and surrogate-based optimization of solar air heater channel-types with three rows delta winglet pairs arranged in both Common-Flow-Down and Common-Flow-Up orientations at Reynolds numbers of 5,000… read more here.
Keywords: solar air; common flow; sensitivity analysis; vortex generators ... See more keywords
Comparison of simple and curved trapezoidal longitudinal vortex generators for optimum flow characteristics and heat transfer augmentation in a heat exchanger
Sign Up to like & getrecommendations! Published in 2017 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.07.115
Abstract: Abstract In the present study, a steady state numerical simulation is performed for investigating the thermal and fluid flow characteristics in a turbulent boundary layer for a flat channel as an element of a compact… read more here.
Keywords: vortex; flow characteristics; heat transfer; heat ... See more keywords
Parametric study of the particulate fouling characteristics of vortex generators in a heat exchanger
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.114735
Abstract: Abstract The geometric parameters and flow characteristics of vortex generators have attracted much attention in recent years. For this study, an improved Eulerian method was used to study the fouling characteristics of magnesium oxide nanoparticles… read more here.
Keywords: fouling characteristics; particulate fouling; heat exchanger; characteristics vortex ... See more keywords
Effect of acicular vortex generators on the aerodynamic features of a slender delta wing
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.002
Abstract: Abstract This study investigates the flow structures and aerodynamic performance of a slender delta wing that has a sweep angle of 65 degrees and is equipped with acicular vortex generators. The results were compared with… read more here.
Keywords: acicular vortex; vortex generators; delta wing; slender delta ... See more keywords
Experimental and numerical analysis of a demister with vortex generators
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2020.07.045
Abstract: Abstract An improved wave-plate demister equipped with vortex generators (VGs) has been proposed for wet flue gas desulfurization systems (WFGD) in this work. Numerical and experimental methods were used to evaluate the effect of VGs… read more here.
Keywords: vgs; demister vortex; plate; demister ... See more keywords
Vortex generators for active thermal management in lithium-ion battery systems
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.04.015
Abstract: Abstract The aim of the present study is to determine efficacy of using vortex generators in the cooling channels of a lithium-ion battery thermal management system (BTMS). Numerical simulations of a Li-ion battery module containing… read more here.
Keywords: thermal management; ion; vortex generators; ion battery ... See more keywords
Large eddy simulation of pulsed film cooling with vortex generators
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121806
Abstract: Abstract Film cooling is an effective approach to cool the blades in a high-performance gas turbine engine. Pulsed and unpulsed film cooling with vortex generators pair (VGP) are studied using large eddy simulations. The Strouhal… read more here.
Keywords: large eddy; vortex generators; film cooling; film ... See more keywords
On the topology of vortex structures and heat transfer of a gas turbine blade internal tip with different arrangement of delta-winglet vortex generators
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2020.106676
Abstract: Abstract This paper aims to provide a novel enhanced heat transfer method for the internal tip surface of a U bend channel of relevance for a gas turbine rotor blade. The DWVGs (delta-winglet vortex generators)… read more here.
Keywords: topology; tip; vortex generators; heat transfer ... See more keywords