Fifth-order two-dimensional Raman spectra of CS2 are dominated by third-order cascades

1999 ◽  
Vol 111 (7) ◽  
pp. 3105-3114 ◽  
Author(s):  
David A. Blank ◽  
Laura J. Kaufman ◽  
Graham R. Fleming
Keyword(s):  
Raman Spectra ◽  
Two Dimensional ◽  
Third Order ◽  
Fifth Order

Suppression of shock-induced separation in fluids having large bulk viscosities

2014 ◽  
Vol 756 ◽  
Author(s):  
F. Bahmani ◽  
M. S. Cramer
Keyword(s):  
Boundary Layer ◽  
Bulk Viscosity ◽  
Shear Viscosity ◽  
Classical Problem ◽  
Two Dimensional ◽  
Perfect Gas ◽  
Third Order ◽  
Large Bulk ◽  
Boundary Layer Interaction ◽  
Fifth Order

AbstractWe examine the effect of large bulk viscosity on the classical problem of two-dimensional shock–boundary-layer interaction. The flow is taken to be steady and supersonic over a flat adiabatic plate. The boundary layer is taken to be laminar and the fluid is modelled as a perfect gas with a bulk viscosity that is large compared with its shear viscosity. The flow details are computed using a fifth-order weighted essentially non-oscillatory finite difference scheme and a third-order Runge–Kutta scheme for the spatial and temporal discretizations. The primary result of interest is the suppression of separation when the ratio of bulk to shear viscosity is sufficiently large.

scholarly journals Utilizing Microcavities To Suppress Third-Order Cascades in Fifth-Order Raman Spectra

2017 ◽  
Vol 8 (14) ◽  
pp. 3387-3391 ◽  
Author(s):  
Zhedong Zhang ◽  
Kochise Bennett ◽  
Vladimir Chernyak ◽  
Shaul Mukamel
Keyword(s):  
Raman Spectra ◽  
Third Order ◽  
Fifth Order

Detection of Chemicals in Mixed, Two-Dimensional Raman Spectra

2010 ◽  
Author(s):  
David Gillis ◽  
Jacob Grun ◽  
Jeffrey Bowles
Keyword(s):  
Raman Spectra ◽  
Two Dimensional

scholarly journals Numerical Analysis of Fluid Flow on Wall Cylinder Circular with K-ε Modeling for a High Reynolds Rate

2019 ◽  
Vol 1 (3) ◽  
pp. 43-50
Author(s):  
M. Yasep Setiawan ◽  
Wawan Purwanto ◽  
Wanda Afnison ◽  
Nuzul Hidayat
Keyword(s):  
Fluid Flow ◽  
Numerical Study ◽  
General Procedure ◽  
Circular Cylinders ◽  
Cylinder Wall ◽  
Two Dimensional ◽  
Third Order ◽  
Physical Information ◽  
Flow Through ◽  
High Reynolds

This study discusses the numerical study of two-dimensional analysis of flow through circular cylinders. The original physical information entered in the equation governing most of the modeling is transferred into a numerical solution. Fluid flow on two-dimensional circular cylinder wall using high Reynolds k-ε modeling (Re = 106), Here we will do 3 modeling first oder upwind, second order upwind and third order MUSCL by using k-ε standard.  The general procedure for this research is formulated in detail for allocations in the dynamic analysis of fluid computing. The results of this study suggest that MUSCL's third order modeling gives more accurate results better than other models.

Exact third-order structure functions for two-dimensional turbulence

2018 ◽  
Vol 851 ◽  
pp. 672-686 ◽  
Author(s):  
Jin-Han Xie ◽  
Oliver Bühler
Keyword(s):  
Structure Functions ◽  
Spectral Energy ◽  
Order Structure ◽  
Two Dimensional ◽  
Third Order ◽  
Transfer Rates ◽  
The Third ◽  
Random Forcing ◽  
Asymptotic Expressions ◽  
Special Case

We derive and investigate exact expressions for third-order structure functions in stationary isotropic two-dimensional turbulence, assuming a statistical balance between random forcing and dissipation both at small and large scales. Our results extend previously derived asymptotic expressions in the enstrophy and energy inertial ranges by providing uniformly valid expressions that apply across the entire non-dissipative range, which, importantly, includes the forcing scales. In the special case of white noise in time forcing this leads to explicit predictions for the third-order structure functions, which are successfully tested against previously published high-resolution numerical simulations. We also consider spectral energy transfer rates and suggest and test a simple robust diagnostic formula that is useful when forcing is applied at more than one scale.

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