Description
Liutex and Its Applications in Turbulence Research
Authors: Liu Chaoqun, Xu Hongyi, Cai Xiaoshu, Gao Yisheng
Language: EnglishSubjects for Liutex and Its Applications in Turbulence Research:
Keywords
-5/3 law; Asymmetry; Bypass transition; Coherent vortex structures; Compressible flows; Continuity; Coordinate rotation; Drag reduction; Eigenvalue and eigenvector; Eigenvalue-based; Energy dissipation; Energy transport; Existence; Flow around rib; Fluid rotation strength; Francis turbine; Galilean invariance; Hairpin vortex; Imaging measurement method; Liutex; Liutex core line; Liutex iso-surface; Liutex lines; Liutex similarity; Liutex spectum; Liutex tubes; Liutex vectors; Liutex-Omega; LXC-core-line; M-SFLE; Marine hydrodynamics; Modified Liutex-Omega; Objective liutex; Omega method; One-leg vortex; Principal coordinate; Principal tensor; Principal velocity gradient tensor; Proper orthogonal decomposition; Rorticity RS decomposition; SBWBLI; SFLE; SFME; Shock wave and boundary layer interaction; Six core elements of vortex; Spectrum analysis; Stability; Swirling jets; Three generation; Turbine rotor passages; Turbulence; Turbulence generation; Turbulent boundary layer; Uniqueness; UTA R-NR decomposition; Velocity gradient tensor; Velocity gradient tensor decomposition; Vortex; Vortex definition; Vortex identification; Vortex kinematics; Wall oscillation
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Add to cart the book of Liu Chaoqun, Xu Hongyi, Cai Xiaoshu, Gao Yisheng458 p. · 19x23.3 cm · Paperback
Description
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Liutex and Its Applications in Turbulence Research reviews the history of vortex definition, provides an accurate mathematical definition of vortices, and explains their applications in flow transition, turbulent flow, flow control, and turbulent flow experiments. The book explains the term "Rortex" as a mathematically defined rigid rotation of fluids or vortex, which could help solve many longstanding problems in turbulence research. The accurate mathematical definition of the vortex is important in a range of industrial contexts, including aerospace, turbine machinery, combustion, and electronic cooling systems, so there are many areas of research that can benefit from the innovations described here.
This book provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence. Important theory and methodologies used for developing these laws are described in detail, including: the classification of the conventional turbulent boundary layer concept based on proper velocity scaling; the methodology for identification of the scales of velocity, temperature, and length needed to establish the law; and the discovery, proof, and strict validations of the laws, with both Reynolds and Prandtl number independency properties using DNS data. The establishment of these statistical laws is important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence.
Researchers and engineers working in fluids or thermal engineering
Dr. Hongyi Xu got his BS(1985) and MS(1988) from Shanghai University of Technology, Shanghai, China and received Ph.D(1998) from Queens University at Kingston, Canada. He is currently a Professor at Fudan University, Shanghai, China.
He has conducted professional research in the fixed-wing and rotary-wing aerodynamics and thermal turbulence in high-temperature turbine of aero-engine. He had fifteen-years of working experience as a senior research officer in the Institute for Aerospace Research, National Research Council(IAR/NRC) of Canada. He was the rotary-wing group leader in the aerodynamic lab of IAR/NRC and was appointed by Department of National Defense as a chief-expert representative of Canada participating The Technology Collaboration Program (TTCP) activities involving United State, British, Canada, Australia and New Zeland. He was leading and participating a number of R&D research programs from both north america major aero-manufacturers and governmwent organizations, such as Canadian Bombardier Aircraft Company, Pratt-Whitney Aero-engine company,U.S. Bell Helicopter Incorporation and Defense Research Development Canada
- Provides an accurate mathematical definition of vortices
- Provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence
- Explains the term “Rortex as a mathematically defined rigid rotation of fluids or vortex
- Covers the statistical laws important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence