Rayleigh-Taylor Instability of a Miscible Fluid at the Interface: Direct Numerical Simulation

被引：0

作者：

Bhole, Ashish ^{[1
]}

Sengupta, Soumyo ^{[2
]}

Sengupta, Aditi ^{[3
]}

Shruti, K. S. ^{[4
]}

Sharma, Nidhi ^{[1
]}

机构：

[1] IIT Kanpur, Dept Aerosp Engn, Kanpur 208016, Uttar Pradesh, India

[2] OSU, Dept Mech & Aerosp Engn, Columbus, OH USA

[3] Manipal Inst Technol, Dept Mech Engn, Manipal 576104, Karnataka, India

[4] BIT Mesra, Dept Space Engn & Rocketry, Ranchi 835215, Jharkhand, India

来源：

ADVANCES IN COMPUTATION, MODELING AND CONTROL OF TRANSITIONAL AND TURBULENT FLOWS | 2016年

关键词：

Rayleigh-Taylor instability; Buoyancy driven thermal instability; DNS; Inhomogeneous flow;

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In the present study, a novel methodology of 2D Direct Numerical Simulation (DNS), incorporating non-Boussinesq, inhomogeneous formulation with non-periodic boundary conditions is used to study the Rayleigh-Taylor Instability (RTI) of miscible fluid at the interface. The evolution of RTI is shown with density contours and mixing length. The system considered here is completely isolated and hence entropy evolution of the system reported here is relevant from non-equilibrium thermodynamics point of view.

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页码：471 / 481

页数：11

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