Chapter 8 Dynamics of shock-accelerated V-shaped gas interface
Abstract
This study investigates the dynamic evolution of a shock-accelerated V-shaped gas interface, which is composed of nitrogen and sulfur hexafluide gaseshexafluide gases. The main focus is highlighted on the interplay of shock-accelerated instabilitiesshock-accelerated instabilities, interface deformationinterface deformation, and vorticity generation. A compressible two-component Euler equation in two-dimensional is solved using a high-order modal discontinuous Galerkin method. For numerical simulations, two-distinct Mach numbers (Ms = 1.22, 1.42) are considered. The results show that the Mach numbers have a significant effect on the flow field, interface deformation, complex wave patterns, inward jet growth, and vorticityvorticity creation in the shock-accelerated V-shaped interfaceV-shaped interface. As the Mach numberMach number increases, the V-shaped interface deforms differently, and the distance between the triple points and the Mach stem also varies. Greater rolled-up vortex chains are produced by higher Mach values than by smaller ones. A thorough analysis of the Mach number impact identifies the factors that propel the creation of vorticity during the encounter phase. Finally, the time evolution of enstrophy and kinetic energy are investigated.
Abstract
This study investigates the dynamic evolution of a shock-accelerated V-shaped gas interface, which is composed of nitrogen and sulfur hexafluide gaseshexafluide gases. The main focus is highlighted on the interplay of shock-accelerated instabilitiesshock-accelerated instabilities, interface deformationinterface deformation, and vorticity generation. A compressible two-component Euler equation in two-dimensional is solved using a high-order modal discontinuous Galerkin method. For numerical simulations, two-distinct Mach numbers (Ms = 1.22, 1.42) are considered. The results show that the Mach numbers have a significant effect on the flow field, interface deformation, complex wave patterns, inward jet growth, and vorticityvorticity creation in the shock-accelerated V-shaped interfaceV-shaped interface. As the Mach numberMach number increases, the V-shaped interface deforms differently, and the distance between the triple points and the Mach stem also varies. Greater rolled-up vortex chains are produced by higher Mach values than by smaller ones. A thorough analysis of the Mach number impact identifies the factors that propel the creation of vorticity during the encounter phase. Finally, the time evolution of enstrophy and kinetic energy are investigated.
Chapters in this book
- Frontmatter I
- Contents V
- Aim and scope VII
- Preface IX
- Acknowledgments
- About editors XIII
- List of contributing authors XV
- Chapter 1 Introduction to flow dynamics and heat transfer 1
- Chapter 2 Compressible fluid flow and heat transfer 29
- Chapter 3 Non-Newtonian fluid flow and heat transfer 59
- Chapter 4 Heat transfer in forced and natural convection 81
- Chapter 5 Numerical study of coupled partial differential equations in heat transfer problems with imprecisely defined parameters 91
- Chapter 6 Numerical approach to study the effect of uncertain spectrum of field variables in a porous cavity 107
- Chapter 7 Investigation of the thermal fluid system using direct numerical simulation 123
- Chapter 8 Dynamics of shock-accelerated V-shaped gas interface 139
- Chapter 9 Nonlinear and linear analyses of partially ionized plasma 155
- Chapter 10 Thermo-fluid behavior of electroosmotic flow in a hydrophobic microchannel under Joule heating and external fields 185
- Chapter 11 The study of oscillating water column energy device in a two-layer fluid system of finite impermeable depth 219
- Chapter 12 Data-driven prediction of thermal conductivity ratio in nanoparticle-enhanced 60:40 EG/water nanofluids 239
- Chapter 13 Industrial applications of flow dynamics and heat transfer 261
- Chapter 14 Optimization techniques in flow dynamics and heat transfer 301
- Chapter 15 Advanced optimization methods in flow dynamics 335
- Index 353
- De Gruyter Series in Advanced Mechanical Engineering
Chapters in this book
- Frontmatter I
- Contents V
- Aim and scope VII
- Preface IX
- Acknowledgments
- About editors XIII
- List of contributing authors XV
- Chapter 1 Introduction to flow dynamics and heat transfer 1
- Chapter 2 Compressible fluid flow and heat transfer 29
- Chapter 3 Non-Newtonian fluid flow and heat transfer 59
- Chapter 4 Heat transfer in forced and natural convection 81
- Chapter 5 Numerical study of coupled partial differential equations in heat transfer problems with imprecisely defined parameters 91
- Chapter 6 Numerical approach to study the effect of uncertain spectrum of field variables in a porous cavity 107
- Chapter 7 Investigation of the thermal fluid system using direct numerical simulation 123
- Chapter 8 Dynamics of shock-accelerated V-shaped gas interface 139
- Chapter 9 Nonlinear and linear analyses of partially ionized plasma 155
- Chapter 10 Thermo-fluid behavior of electroosmotic flow in a hydrophobic microchannel under Joule heating and external fields 185
- Chapter 11 The study of oscillating water column energy device in a two-layer fluid system of finite impermeable depth 219
- Chapter 12 Data-driven prediction of thermal conductivity ratio in nanoparticle-enhanced 60:40 EG/water nanofluids 239
- Chapter 13 Industrial applications of flow dynamics and heat transfer 261
- Chapter 14 Optimization techniques in flow dynamics and heat transfer 301
- Chapter 15 Advanced optimization methods in flow dynamics 335
- Index 353
- De Gruyter Series in Advanced Mechanical Engineering
